TRX250R.ORG
General => Lounge => Topic started by: Bowtie316 on August 13, 2014, 11:01:05 AM
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I know, this is the wrong forum to mention wanting a banshee, but I do. I'll still want to keep a 250r, but lately I have been wanting a banshee pretty bad. I think that would round out the stable pretty well.
Anyone else here have or want one of each?
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Banshee's are mean. I say get one!
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Personally my garage wont be complete until there is bone stock a banshee in there lol.
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I have one as well as many others on here too.
Get one. Be happy.
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Wow, I wasn't really expecting to get positive feedback on this, but it has been my plan for some time. I have one picked out, I will put picks up when I can actually meet up with the guy.
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Have you seen Lsr's sand shark chassis?
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Someone woke up on the wrong side of the bed lol
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Have you seen Lsr's sand shark chassis?
Not until you mentioned it, that thing is wild looking. Way out of my price range.
Someone woke up on the wrong side of the bed lol
Yep, but not just today, for the last couple years off and on.
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I really want a duner Banshee as well. You can make crazy power pretty easily and parts are still readily available.
You can get 2 CPI Banshee cylinders for the cost of 1 250R cylinder. All the transmission parts are available etc.
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Come to Oregon or the West Coast for cheap Banshee duners.. 5-6k will buy one hell of a Banshee out here. I've thought hard about picking one up "just because" but I'm hording enough Honda parts.. I don't need to start hoarding any Yamaha stuff! :rofl:
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It's nice that parts are readily available & somewhat cheap. I see quite a few parts lots for sale on CL all the time here in Oregon. That alone would make it worth having one imo. Another cool bike to get would be an LT500:smile-new:
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Banshees certainly have their place. It was the perfect quad for my wife, she's a decent rider and very competative, so she always wanted to be the fastest one in the group. But her idea of "fastest" was the fastest machine, not the fastest rider, so she was looking for all motor, while the handling and ergonomics were secondary. But she didn't want a drag racer, she wanted something she could still ride with the group, then pull out ahead when we came to a flat open section.
That's a banshee in a nutshell.
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My friend has a 421 Trinity banshee. Very fast and fun to ride in a straight line, in the woods however it handles poorly compared to my 250R. If I lived near the dunes and only rode dunes, I would own a banshee also.
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Buyer beware, I hate Yamaha so I am biased. Look at the swingarm, Just makes me want to puke. The blaster and YZF 450 are the only ones I have owned. Would never buy another. The YZF was fine after replacing the swinger with the Honda type. A Banshee, twin gutless 175 would not be among my favorites. Easy to kick over because the 175 is gutless. 2 pipes 2 carbs and 2 cylinders cannot be cheaper than a single. I do know they can make some good power with a couple CPI cylinders. The geometry sucks for racing.
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yea:P
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I'm a Honda guy. Banshee's are about as bad as a Chevy. ahahaa!!! :stirthepot:
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well seeing how people are now pulling 100hp from stock cylinders, i think it would be a great buy! even tho there is x2 of everything, the parts are way cheaper (including cylinders) bc it is the biggest aftermarket, and is cheaper investment for return in HP.
dual row round carrier? if you have a stock swingarm on a banshee you are doing it wrong LOL.
if you dont want drag bike, get some serval cylinders done up, and get some long travel suspension, you will be good to go!
PS, i dont discriminate, i love yamaha :D
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Geo still sucks.
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Get a laeger outlaw chassis. Banshee with 250r geo lol.
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Buyer beware, I hate Yamaha so I am biased. Look at the swingarm, Just makes me want to puke. The blaster and YZF 450 are the only ones I have owned. Would never buy another. The YZF was fine after replacing the swinger with the Honda type. A Banshee, twin gutless 175 would not be among my favorites. Easy to kick over because the 175 is gutless. 2 pipes 2 carbs and 2 cylinders cannot be cheaper than a single. I do know they can make some good power with a couple CPI cylinders. The geometry sucks for racing.
I definitely hear that [MENTION=9]Pumashine[/MENTION], there are several things I don't like, the swing arm, the ugly welds that just stare at you, the wonky handling, the backwards kick, the wheel bolt pattern, the dual everything, but man they can run good.
This is the one I'm trying to buy.
(http://i851.photobucket.com/albums/ab73/bowtie316/00y0y_2x2GjiD7hZf_600x450_zps10088ea2.jpg) (http://s851.photobucket.com/user/bowtie316/media/00y0y_2x2GjiD7hZf_600x450_zps10088ea2.jpg.html)
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My buddy has a banshee he wanting to sell. He just moved to AZ. I think he was 4k for it. The guy he got it from said it dynoed at 100hp. I do know it is fast as hell. I think he said it has stock cylinders with blaster big bore pistons cpi in frame drag pipes pvl ingnition. Thats about all I know.
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I had one a while back. Bought it brand new and it was mean. Had high comp heads force reads and fmf sst pipes. It hauled. Would like another one one day but just bough two Rs and am in the middle of a rebuild on the 86. Banshees are sweet bikes. I will deft have another one day.
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I had an 03 limited edition banshee and I loved it.. it had a set of Toomey T6 pipes and the rest was stock.. still ran hard... I kinda regret selling it back in 05... my cousin has an 01 bone stock shee and ill be buying it next year... he said he will save It for me.. ill be setting it up as a sleeper hill shooter!! 4mill drag ported stock cylinder by either K&T or packard with some shearer in frames... a buddy of mine said I can get about 90-100hp out of a stock cylinder!! haha so that's what im going to do.. cant wait!! -simon
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Damn it! I'll make a confession. Banshee Protrax is on my to do list. It will be that or a Polaris Scrambler XP 1000!
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In my twenties I had a banshee built all the way. Ya it was fast but here in my thirties I want Nothing to do with that tank. Horrible Geo. Seems no amount of money can make one a nice comfortable ride let alone handle well. With that said when I was younger I loved mine
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In my twenties I had a banshee built all the way. Ya it was fast but here in my thirties I want Nothing to do with that tank. Horrible Geo. Seems no amount of money can make one a nice comfortable ride let alone handle well. With that said when I was younger I loved mine
I didn't appreciate my 20's but I sure do now that I'm turning 40. I'm pretty sure that my 20's is the root cause for all my aches and pains at 40.
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I also had a shee when I was in my 20's. I didn't know how much better the R handles until I bought the R. At the mx track when I was getting beat, it was by R's. Sold it and bought a streetbike. Some azz knocked it over in a parking lot and I got paid. I spent $20 on a clutch lever and had my friend that's an auto painter fix the fairing for free(along with painting an engine side cover). Bought an R with the rest of the money plus my last $100. GF was pissed. She's long gone, but the R isn't!
On a side note, I've done so many stupid things over the years that it's no wonder I hurt like so bad in my 40's. If I only rode dunes, then I could prob live with a banshee again, but working on one sucks compared to an R. Horrible chain adjustment, rear axle bearings that don't wanna stay tight and 30 mins just to take the plastic off are only a few of their great designs. I like Yamahas and own a 05 yz250, but don't want another shee. If you want one then buy one. They are pretty cheap to make pretty fast.
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Just because you are a fan of the R doesn't mean you can't ride other machines. I've been thinking about getting a Banshee for a few years now. I've never ridden one so I am really curious about a twin cylinder two stroke--must be a monster when set up right. They have a huge aftermarket too, and half the fun is building them. I know they don't handle well but that's part of the challenge.
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i had a banshee years ago and it is a tree magnet. tie rod ends/tie rods, a-arms etc., needed replaced a few times due to crashes. but with a few bolt ons you can get an easy 65 hp out of it. maybe 65 is a big exaggeration but there is power to be had with a few upgrades.
i remember kim kuhnle used to race it in XC. he had all the two into one stuff to get some torque.
john
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Well I picked it up last night, already have an issue, someone already has used Bowtie316 for BansheeHQ. Probably the same turd that used it on youtube.
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Maybe a new screen name like 250r'srule.
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I got one for my boys. Roundeye blew it up in Lil Sahara last year. Still sitting.
Brother in law Brad swears by them.
(http://forums.trx250r.org/vbulletin_imports/108_2780_2017-04-18_3448.jpg) Here's Brad in his "well received" 5 seconds of glory.
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Back in the 90's FMF made "torque plus" and "rev" pipes. I had the torque plus and loved them. They really split the difference between the 2 into 1 pipes(those sure sounded cool) and a rev pipe like fmf's version or some toomys. Mine was torquey for only having that FMF power up kit and no head mods. Honestly the best part of a shee is the motor and it's hidden potential for pretty cheap hp.
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Maybe a new screen name like 250r'srule.
I just used Blowtie316, it makes me mad because I can't find a Bowtie316 listed as a member on the site, yet it still wouldn't let me use it. Honestly I'm not going to hang out there, lots of idiots, but it will be good for research.
Back in the 90's FMF made "torque plus" and "rev" pipes. I had the torque plus and loved them. They really split the difference between the 2 into 1 pipes(those sure sounded cool) and a rev pipe like fmf's version or some toomys. Mine was torquey for only having that FMF power up kit and no head mods. Honestly the best part of a shee is the motor and it's hidden potential for pretty cheap hp.
This bike has what I was told are CT racing "woods" pipes, what little riding I did on it they felt great. My buddy has a 4mil stroker with midrange port from trinity, with toomey t5s and that thing runs damn good. Literally lugs better than my stock 250r and is way way faster on the top end. Someday I will try to mimick that one with mine.
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(http://forums.trx250r.org/vbulletin_imports/108_2780_2017-04-18_9611.jpg) Here's Brad in his "well received" 5 seconds of glory.
Love it, I'll have a pic like that shortly lol.
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I've lurked on hq, there are a lot of douches there. Some day I want to build an "outlaw" banshee. The ones I've seen still have a lot of distance from the front sprocket to the swingarm pivot though.
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Love it, I'll have a pic like that shortly lol.
With 18 R's behind ya?? Haha
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With 18 R's behind ya?? Haha
Unfortunately not, probably only a handful. It doesn't sound like anyone is going to sandfest this year.
Sent from my SGH-T679 using Tapatalk 2
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I have a banshee also! love it it is completely different then the 250r. The 250r is like a Ferrari handles amazing and has good power. The banshee is a viper handles like ass but hauls pure ass. I love my banshee even though it has been in storage for 2 years.
This is my Banshee:
(http://i609.photobucket.com/albums/tt172/sangheraent/DSC_0014.jpg) (http://s609.photobucket.com/user/sangheraent/media/DSC_0014.jpg.html)
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I have a banshee also! love it it is completely different then the 250r. The 250r is like a Ferrari handles amazing and has good power. The banshee is a viper handles like ass but hauls pure ass. I love my banshee even though it has been in storage for 2 years.
This is my Banshee:
(http://i609.photobucket.com/albums/tt172/sangheraent/DSC_0014.jpg) (http://s609.photobucket.com/user/sangheraent/media/DSC_0014.jpg.html)
Beautiful banshee.
Unfortunately, I'm already putting a new crank in mine.
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Unfortunately, I'm already putting a new crank in mine.
What happened ?
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What happened ?
Well, after I got it home and went riding, I swapped out riding with another banshee and found the other bike had much less vibration. I pulled the stator covor off to check runout and it was a .006", so I figured it was out of true, planned to send it to have it trued and welded but when I pulled the jugs off, one of the rod bearings was on it's way out too.
It's got a +4 stroker in it now. Unfortunately they (FAST) couldn't get my jugs ported in time for me to take it to sandfest, so it's just got a spacer and stock porting. It runs okay, but basically like a stock bike.
On a more positive note, i got my new 330R out yesterday and it runs real strong, very happy with the trx7 port.
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Banshees deserve the same respect as a 250r if not more. Sounds crazy to me people hating twin cylinder 2 stroke quad.
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Because this is a 250R forum.
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sangheraent: if your banshee looks that nice please show off your 250r plz!
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Because this is a 250R forum.
And?i understand you may prefer you trx more then a banshee, but to bash on a legendary bike as the banshee is down right crazy.
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Damn it! I'll make a confession. Banshee Protrax is on my to do list. It will be that or a Polaris Scrambler XP 1000!
X2 on the Laeger Banshee. soon.....i hope.
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And?i understand you may prefer you trx more then a banshee, but to bash on a legendary bike as the banshee is down right crazy.
I said earlier in this thread, if I lived near dunes and only rode dunes I would have a banshee also. Just saying this is a 250R forum and alot of guys are gonna hate.
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I really didn't hear too much hate, I was actually surprised that my thought of buying a banshee was supported at all on this site. A couple of us have pointed out some short comings, but it's hard to argue with a twin 2 stroke. It's just unfortunate that mine is slower than my 250r, lol.
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(http://i1347.photobucket.com/albums/p701/samw450r/IMG_11920477375105_zpskiyzafaa.jpeg) (http://s1347.photobucket.com/user/samw450r/media/IMG_11920477375105_zpskiyzafaa.jpeg.html)
I think most of us have probably had a banshee or 2 :)
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I just picked up a basket case banshee in some trading. It's cherry and I'm thinking it'll be a good winter project. Prolly just be a hill shooter / drag project. Definitely will take back burner to my trx and cr500af projects though! I bleed honda red...
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well guys add me to the list. today picked up my first ever atv and its a banshee no less hahahah. been on single cylinder dirtbikes since '83 and i just wanted something different. 4 wheels and 2 pistons seemed to fit the bill perfect. anyways its a '03. from what i can tell its all original. guy i got it from said he never did nothing to it and was pretty sure the original owner he got it from never did nothing to it. looks like the jugs and head never even been off. only bolts on the whole bike that appear to even have a wrench on em were the lug nuts and the plastic cover over the front sprocket maybe to replace the chain since the masterlink is on backwards or perhaps they just flipped the chain to try and get double the life, hell im not sure. got some douglas wheels with goofy looking v shaped paddles and a factory yamaha service manual with it also. manual will be handy since i dont know a damn thing about these machines
now before you go busting my balls for buying a stocker let me explain. a built up bike has quit a bit higher initial cost. 5K-8K range for the ones i seen recently. ya it probly cost 2x that much to build them originally so you'd be getting a hell of a deal but i just didnt want to fork out that much cash. besides i like to build my own stuff. in the end i may end up with a 8k bike but if its a few parts here and there over a period of time it wont kill my wallet so bad. a prebuilt bike by someone else gives me no satisfaction. plus i want to mess around with these yamaha cylinders alittle bit and see how fast they can go. ported aftermarket cylinders leaves me nothing to tinker with. anyways im pretty stoked to have something new to mess with. darn shame its not a honda or ktm but it'll do . one question, is the stock pistons prone to cracking ? dude said he didnt think there was even 50hrs on it but i thought of having a look through the intakes and exh to be sure nothing looks like its gonna explode
[ATTACH=CONFIG]6154[/ATTACH]
[ATTACH=CONFIG]6155[/ATTACH]
[ATTACH=CONFIG]6156[/ATTACH]
heres a better pic from today
[ATTACH=CONFIG]6165[/ATTACH]
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Had a 4mm stoker, cpi pipes, carbs, and that thing was fun as he'll to ride. Handling and the powerband isn't great for trail riding but the sound, power when it does kick in and being able to beat almost any other quad when you can hook up is awesome. Here in PA it's hard to find a decent banshee for a good price usually there beat to hell and have been bored .080 over due to being blown so many times by idiots.
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Well, after I got it home and went riding, I swapped out riding with another banshee and found the other bike had much less vibration. I pulled the stator covor off to check runout and it was a .006", so I figured it was out of true, planned to send it to have it trued and welded but when I pulled the jugs off, one of the rod bearings was on it's way out too.
It's got a +4 stroker in it now. Unfortunately they (FAST) couldn't get my jugs ported in time for me to take it to sandfest, so it's just got a spacer and stock porting. It runs okay, but basically like a stock bike.
On a more positive note, i got my new 330R out yesterday and it runs real strong, very happy with the trx7 port.
did you get it running yet ? how much vibration is normal on these things ?
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Had a 4mm stoker, cpi pipes, carbs, and that thing was fun as he'll to ride. Handling and the powerband isn't great for trail riding but the sound, power when it does kick in and being able to beat almost any other quad when you can hook up is awesome. Here in PA it's hard to find a decent banshee for a good price usually there beat to hell and have been bored .080 over due to being blown so many times by idiots.
lol. i get your point, however getting those carbs synced and dealing with overheating in the woods is what leads to failed top ends for trail riders. mine never failed cause i jet rich.hehe
john
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Debating on picking up a second banshee tomorrow for $2,000. It has a good amount of after market. I'll probably part out my other to fund my 250r build. Hmmm
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(http://i609.photobucket.com/albums/tt172/sangheraent/DSC_0014.jpg) (http://s609.photobucket.com/user/sangheraent/media/DSC_0014.jpg.html)
I see you have a Pumashine Banshee grill
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I see you have a Pumashine Banshee grill
haha what a coincidence, I had no idea you made banshee grills. I bought this grill off bansheehq in 07 or around then. its one of my favorite i have ever seen simple yet stands out.
Sand_blaster unfortunatly the older I get the less money I have to throw at machines that burn money. My 250r is not as pretty but definetly nicer its in the for sale section under full bikes.
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Welp I bought that banshee today. $2,000 & freakin stole it so many after market trinkets all over that thing. Its a chick quad though :\ I'll post pics soon.
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sweet. im still figuring out the ropes with these things. need to tighten the chain just alittle but cant figure it out because the yamaha manual sucks. i hear the clymers manual is better but i havent seen one so im not sure. feels like im driving a couch compared to the motorcycles im used to but its pretty fun to ride. goes like a raped ape when it hits the powerband :applause:
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I can honestly say my shee never overheated in the woods, and it saw a lot of them. Now sometimes at the dunes in the heat of the summer it would puke a little coolant, but it NEVER overheated. I rode the crap out of it. BTW for water skipping, a shee works great!
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well guys add me to the list. today picked up my first ever atv and its a banshee no less hahahah. been on single cylinder dirtbikes since '83 and i just wanted something different. 4 wheels and 2 pistons seemed to fit the bill perfect. anyways its a '03. from what i can tell its all original. guy i got it from said he never did nothing to it and was pretty sure the original owner he got it from never did nothing to it. looks like the jugs and head never even been off. only bolts on the whole bike that appear to even have a wrench on em were the lug nuts and the plastic cover over the front sprocket maybe to replace the chain since the masterlink is on backwards or perhaps they just flipped the chain to try and get double the life, hell im not sure. got some douglas wheels with goofy looking v shaped paddles and a factory yamaha service manual with it also. manual will be handy since i dont know a damn thing about these machines
now before you go busting my balls for buying a stocker let me explain. a built up bike has quit a bit higher initial cost. 5K-8K range for the ones i seen recently. ya it probly cost 2x that much to build them originally so you'd be getting a hell of a deal but i just didnt want to fork out that much cash. besides i like to build my own stuff. in the end i may end up with a 8k bike but if its a few parts here and there over a period of time it wont kill my wallet so bad. a prebuilt bike by someone else gives me no satisfaction. plus i want to mess around with these yamaha cylinders alittle bit and see how fast they can go. ported aftermarket cylinders leaves me nothing to tinker with. anyways im pretty stoked to have something new to mess with. darn shame its not a honda or ktm but it'll do . one question, is the stock pistons prone to cracking ? dude said he didnt think there was even 50hrs on it but i thought of having a look through the intakes and exh to be sure nothing looks like its gonna explode
Looks like a nice find, I thought I was going to come out ahead finding one that already had some of the mods I wanted, but it turned out costly.
I was surprised to read that this is your first ATV, you mean you don't even have a trx250r?
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did you get it running yet ? how much vibration is normal on these things ?
Yeah, It was only down for a week. It is weird, it vibes just above idle to about 4000 rpm (guessing) then is silky smooth the rest of the way up. My buddies bashees are similar.
Oh and it feels like a couch compared to my 250r as well, like the whole couch, especially riding a wheelie.
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this one is smooth idling. then if you push the throttle to about 3-4k it buzzes then above that it smoothes right out. i figured it was normal. otherwise im sure it would vibrate all the time if the rods or something was on its way out. single cylinders usually have a spot in the rpm where it buzzes like that also. i thought there was some strange engine noise but it appears to be just the chain going over that white slider thing at the front of the swingarm because it sounds fine when your not moving. im happy with it and its fun to ride. even stock these things are pretty fast. but ya its like a couch compared to my '13 ktm :biggrin-new:
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installed the first piece of bling today :excitement:. matoon nuetral switch cover. the stock plastic one was cracked. not even sure what the hek the cover is for but i didnt see any point in using another plastic one. im really liking this machine even though i havent rode it much yet. mostly just been cleaning everything up and inspecting stuff. went through all the linkage to be sure it in good shape and greased. pulled out the reed blocks and checked pistons for cracks etc. cooling system must of had the original stuff so i got that all cleaned out. probly get a timing plate, clutch and flywheel covers next. straight cuts, 8 plate basket and lockup probly be after that. leaning toward a lonestar chassis also but that might be more around spring time
(http://forums.trx250r.org/vbulletin_imports/146_3159_2017-04-18_604.jpg)
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. probly get a timing plate, clutch and flywheel covers next. straight cuts, 8 plate basket and lockup probly be after that. leaning toward a lonestar chassis also but that might be more around spring time
Wow, you're not even going to mess around huh?
My first mod will be a roundhouse swinger I reckon.
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anyone happen to have a banshee owners manual ? got 2 different service manuals and ill be damned if there aint a jetting chart in either one. wondering if the owners manual has a chart that lists approximate jet sizes for altitude and temp. this engines alittle boggy at low speed. im thinking its lean but im not sure because its acting different than my other bikes. was gonna get a size bigger pilot and see what happens but a chart would be helpful. ya and i dont know the first thing about mikuni so that aint helping matters
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anyone happen to have a banshee owners manual ? got 2 different service manuals and ill be damned if there aint a jetting chart in either one. wondering if the owners manual has a chart that lists approximate jet sizes for altitude and temp. this engines alittle boggy at low speed. im thinking its lean but im not sure because its acting different than my other bikes. was gonna get a size bigger pilot and see what happens but a chart would be helpful. ya and i dont know the first thing about mikuni so that aint helping matters
Tune a Mikuni just like would any other brand of carburetor. A lean or rich symptom with a Mikuni is the same as a Keihin. Mikuni jets are sized in flow rates and are not a diameter like Keihin carbs. Keihin jets are coded hole diameters. A 170 Keihin jet is 1.70mm. A 175 is 1.75mm and so on. You do not have to calculate the flow area with Mikuni jets if you want to make a certain percent change in fuel flow.
Example;
If you are running a 400 Mikuni main jet and want to richen it 10 %, just install a 440 main jet. If you are running a 170 Keihin main jet and want to richen it 10 %, calculate the area of a 1.70mm hole, multiply it by 1.10 and then calculate what diameter hole would have this area. This is not something that most guys can do in their head. Increasing the 170 Keihin main jet size 10 %would require a 1.783mm diameter jet.
If you are tuning without any instrumentation, you can estimate the jetting changes needed by using the following approximations. A 1000 ft change in elevation will require about a 3 % change in fuel flow at wide open throttle or a 3 % change in main jet size. A 15 F. degree change in the intake temperature will require about a 3 % change in main jet fuel flow. Most manufactures make each increment in their carburetor tuning parts approximately a 2 % to 3 % change.
Example:
Going from a 400 to a 410 Mikuni jet is a 2.4 % change. Going from a 170 to a 172 is a 2.3 % change.
Moving the needle one clip position, changes the fuel flow in the 3/8 to 3/4 throttle position about 3 %.
Moving the pilot jet one increment in size, changes the fuel flow at closed throttle about 6% to 10 % and then can be fine tuned with the air screw to get a smaller incremental change in idle fuel flow.
Remember a 3% change in air density will require approximately a 3% change in main jet size but the fuel flow at an idle or partial throttle will not change very much.
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no place in town had the jets for this carb. had to order some but theyll be here thursday. hopefully this will fix the problem and i wont have to mess with changing the needle. it bogs pretty bad when you crack the throttle from a idle so maybe it could be the low speed section of the needle also. seemed to decrease quit a bit with the air screw turned in almost all the way so maybe the richer pilots will fix it
hey jerry i got a clymers and oem service manual and one says to use a resistor plug and the other says nonresistor. isnt it common practice that you dont want two resistors in the same line ? so if the cap has a resistor then you would use a nonresistor plug ? normally the caps ive seen will either say nothing meening they are nonresistor or theyle say what the resistance is but theres nothing on these caps but they almost look like a resistor cap to me because theres a donut shaped thing right near the end of the wire, pretty sure theyre original oem caps and wires. in the last few days ive tried both types of plugs and not sure i can tell much difference but i was wondering if i should be using one or the other or if it would hurt the ign system with wrong plug ?
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well i got this thing figured out. tried the next bigger pilot which was still just a tad small but with the air screw 1/2 turn out it sounds 100 times better than it did. had a massive bog but its all but gone now. try one more size bigger tomorow which should be perfect and allow the air screw to be 2 turns out
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Dunes only fo me. I like both TRX250R n Banshee. Nothing faster fo sand drags than a Banshee tho.
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no place in town had the jets for this carb. had to order some but theyll be here thursday. hopefully this will fix the problem and i wont have to mess with changing the needle. it bogs pretty bad when you crack the throttle from a idle so maybe it could be the low speed section of the needle also. seemed to decrease quit a bit with the air screw turned in almost all the way so maybe the richer pilots will fix it
hey jerry i got a clymers and oem service manual and one says to use a resistor plug and the other says nonresistor. isnt it common practice that you dont want two resistors in the same line ? so if the cap has a resistor then you would use a nonresistor plug ? normally the caps ive seen will either say nothing meening they are nonresistor or theyle say what the resistance is but theres nothing on these caps but they almost look like a resistor cap to me because theres a donut shaped thing right near the end of the wire, pretty sure theyre original oem caps and wires. in the last few days ive tried both types of plugs and not sure i can tell much difference but i was wondering if i should be using one or the other or if it would hurt the ign system with wrong plug ?
on the banshee you don't need resistor plugs, as there are no sensitive solid state devices for the RF or RFI to interfere with ...but with that said you wont hurt anything running resistive plugs, they do use a small bit more voltage then non, meaning a slight small gap
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good to know. electrical stuff aint my area of expertise. theres a donut thing at the end of the wire near the plug boot which i thought might of been a resistor but maybe its something else. ill just stay with non resistor plugs
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no place in town had the jets for this carb. had to order some but theyll be here thursday. hopefully this will fix the problem and i wont have to mess with changing the needle. it bogs pretty bad when you crack the throttle from a idle so maybe it could be the low speed section of the needle also. seemed to decrease quit a bit with the air screw turned in almost all the way so maybe the richer pilots will fix it
hey jerry i got a clymers and oem service manual and one says to use a resistor plug and the other says nonresistor. isnt it common practice that you dont want two resistors in the same line ? so if the cap has a resistor then you would use a nonresistor plug ? normally the caps ive seen will either say nothing meening they are nonresistor or theyle say what the resistance is but theres nothing on these caps but they almost look like a resistor cap to me because theres a donut shaped thing right near the end of the wire, pretty sure theyre original oem caps and wires. in the last few days ive tried both types of plugs and not sure i can tell much difference but i was wondering if i should be using one or the other or if it would hurt the ign system with wrong plug ?
I use the following jets as a baseline in our modified stock carbs using the following engine build. Yamaha Banshee cylinders with our porting, our modified stock head, V3 or V4 reeds, stock cross-over tube, Toomey T-5 pipes and silencers, Stock air box, lid removed, Pro-flow flange with K&n filter, timing advanced 4 to 5 degrees, 330 to 350 main jets, 25 to 30 pilot jets, stock needles in the middle clip, stock slides, air screw 1 1/2 turns, B8ES or BR8ES spark plugs gaped at .018" to .020". The above set up will make over 70 -75 Sae RWH on our dyno. This combination is used for serious duners and is very reliable.
The stock spark plug caps are 5K ohm resistor caps. About half of the ones I check are open and need replacing. I replace them with a NGK cap part number TB05EMA. These caps are also a 5K ohm cap.
Like DnB racing said, you do not need resistor plugs or caps but it eliminates a lot of electrical noise given off by the ignition. Resistors caps and or plugs make it nice if you ever take it to the dyno or run a data acquisition system. The Dynojet dynos will not tolerate very much electrical noise. The electrical noise makes the dyno tach intermittant and sometimes it freezes up the dyno electronics.
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I use the following jets as a baseline in our modified stock carbs using the following engine build. Yamaha Banshee cylinders with our porting, our modified stock head, V3 or V4 reeds, stock cross-over tube, Toomey T-5 pipes and silencers, Stock air box, lid removed, Pro-flow flange with K&n filter, timing advanced 4 to 5 degrees, 330 to 350 main jets, 25 to 30 pilot jets, stock needles in the middle clip, stock slides, air screw 1 1/2 turns, B8ES or BR8ES spark plugs gaped at .018" to .020". The above set up will make over 70 -75 Sae RWH on our dyno. This combination is used for serious duners and is very reliable.
The stock spark plug caps are 5K ohm resistor caps. About half of the ones I check are open and need replacing. I replace them with a NGK cap part number TB05EMA. These caps are also a 5K ohm cap.
Like DnB racing said, you do not need resistor plugs or caps but it eliminates a lot of electrical noise given off by the ignition. Resistors caps and or plugs make it nice if you ever take it to the dyno or run a data acquisition system. The Dynojet dynos will not tolerate very much electrical noise. The electrical noise makes the dyno tach intermittant and sometimes it freezes up the dyno electronics.
Wow Jerry, great info, Thanks!
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i tried the 30 pilot today and it worked good. i suspected the pilots were to small and they were
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well i really got to ride today for atleast 1hr. engine is running well and these machines are faster than i thought they would be. even stock theyre no slouch. cant imagine if you built one 2x the power and half the weight :quad:
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(http://forums.trx250r.org/vbulletin_imports/199_3495_2017-04-18_2476.jpg)(http://forums.trx250r.org/vbulletin_imports/199_3496_2017-04-18_5971.jpg)(http://forums.trx250r.org/vbulletin_imports/199_3497_2017-04-18_4616.jpg)I know some people will talk sh*t but I got one!! hahahaha
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were did you find that one at? Looks great.
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(http://forums.trx250r.org/vbulletin_imports/199_3495_2017-04-18_9206.jpg)(http://forums.trx250r.org/vbulletin_imports/199_3496_2017-04-18_9884.jpg)(http://forums.trx250r.org/vbulletin_imports/199_3497_2017-04-18_2206.jpg)I know some people will talk sh*t but I got one!! hahahaha
Yeah that's nice, I should have waited an bought something nice like that, instead it looks like I might keep what I got and put too much money in it.
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thanks guys.. I got it from a friend of mine here in bakersfield... she hasn't ridden it in over a year.. and before that it was in pieces... she was the second owner... when I went to her house to see it, it was really dirty and wouldn't start.. she told me I can take it home and clean it out and get it started before I make my decision.. sooo that's what I did.. cleaned out the carbs dumped and cleaned the tank and added fresh fuel... put new plugs in it and started on the 3rd kick... took it to a friends house and borrowed some dirt tires and rode it up and down the street to make sure the tranny shifted fine.. and of course it did!! :) as for the mods go... stock cylinder... stock crank... it has stage 3 trinity porting... 35mm pwk's.. CPI pipes... LSR a-arms, anti-vibe stem, axle... unknown +4 swinger... drag cut wheels F/R... 8 paddle haulers... smoothies up front and billet everywhere... dyno chart from trinity shows it made about 75hp... alllllll that for $2000 with title :Boobies2:
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sweet. your ahead of the game at that price for sure. ill be in over my head on mine when its all said and done
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I thought so myself!! lol my plan is to make it a hill shooter/300' track bike... my goal is to have about 90 to 100hp :) should be a runner for sure!!!
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thats what i plan to do with mine also. mostly just race the hill. pretty much everything but the engine is going in the scrap pile so i can dump unneeded weight
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Those cpi pipes are junk, and the 22 inch haulers.... you should probably just swap me for my t5s and my 21" haulers. They would work better for you. lol
But in reality that was a heck of a deal you got.
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hahahahaha thundercat!!! you crack me up man!! good try though loool :) thanks man!
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Are you going to build a cub or put the work into your stock cylinders?
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im probably going to stay with my stock cylinders and send them to either Packard, k&t, or shearer and match it up with a 4mill or 7mill crank.. not sure yet lol
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I thought so myself!! lol my plan is to make it a hill shooter/300' track bike... my goal is to have about 90 to 100hp :) should be a runner for sure!!!
It is going to be difficult to get 90 to 100 hp modifying Yamaha OEM cylinders, using a big stroker crank and expecting it to stay together very long!
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ill have to agree with jerry. them big numbers are a tall order. i picked up some used banshee parts off ebay to build up a dummy engine to experiment with. after looking at everything it seems the stock cylinder will need alot of work. doesnt help that they were designed 25 or more years ago. the cylinder and crankcase design isnt all that great so thats working against you as well. if you have the cash your better off with some of calvins cylinders. for now ill be using oem cylinders only because i just like working on stuff in the garage but sometime down the road ill end up with some cubs. honestly im not even sure its worth the time and effort to mess with these oem cylinders but im gonna give it a shot anyways. hopefully its not a complete waste of time
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im probably going to stay with my stock cylinders and send them to either Packard, k&t, or shearer and match it up with a 4mill or 7mill crank.. not sure yet lol
im not sure what choices you have for 7mil but if your only option is a billet crank i think your better off going to 10mil and using cub cylinders. other wise just stay at 4mil with oem cylinders
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if your going to use cpi cylinders, might as well go all in and get dmxs!
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I'll more than likely stay with a 4mill and do a lot of head work to the OEM cylinders... well just have to see what kind of power I can get out of them.. :) thanks for your input jerry and udontknowme
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It is going to be difficult to get 90 to 100 hp modifying Yamaha OEM cylinders, using a big stroker crank and expecting it to stay together very long!
Hmm.
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I'll more than likely stay with a 4mill and do a lot of head work to the OEM cylinders... well just have to see what kind of power I can get out of them.. :)
I got a stk cyl build fo u to race nxt yr.
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I'm down john... just not sure if it will be done that quick!!! Haha I'm not a baller like you! Lol
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Haha 😜
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I'll more than likely stay with a 4mill and do a lot of head work to the OEM cylinders
thats kind of my plan as well. keep engine costs down so i can pick up a good chassis then next year dump some more money into the engine
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Yeah I'm gonna keep the stock chassis myself... make it look as stock as possible and then when I fly past some of these badass 450's and raptors... they are going to flip out! Hahaha
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you shouldnt need much to beat the 450's.
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I don't know man... ive seen some badass 450's one of them belongs to "johnny22" dad... that bike is a rocket!! don't really know whats done to it but its faaaast!!
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I don't know man... ive seen some badass 450's one of them belongs to "johnny22" dad... that bike is a rocket!! don't really know whats done to it but its faaaast!!
You should just put the purse down and build a cub kind sir, I may bring mine over after halloween and it would look bad if i came to play at pismo and lost to a stock cylinder bike....
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You should just put the purse down and build a cub kind sir, I may bring mine over after halloween and it would look bad if i came to play at pismo and lost to a stock cylinder bike....
haha I wish it was that easy bud... if I had the money to just dump in it then I would... but I got more important things to take care of these days... shiiiit its not even paid for yet.. lol im making payments on this bitch!! don't plan on touching it or even riding it till I pay her off and take the motor apart and make sure its all put together right... just taking precautions :)
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its easy to have 4-5G in the engine. then refinance your house to get chassis, swingarm, wheels, axle , shocks