TRX250R.ORG
General => Projects => Topic started by: evaneyeball on February 17, 2020, 12:32:06 PM
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had this thing for about 6 months now and ive ridden it once due to trying to do a restoration on it but then got a powder coating gun and had to do it all over again. then broke the drain plug hole. then had to rebuild the motor. needed the cylinder bored new piston new hot rods crank, complete hinson cr125 clutch, repair the broken cases and then put it together, LED is doing all of this. but i dont have the motor back yet. and im sure im forgetting something. but i powder coated the front end red and black. i have officially named this bike Satan because the only time ive ridden it was the day before my foot surgery and i fell off and ran over my feet. and also this 1500 dollar rebuild that i will have to run race gas in.
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Hail Satan! Nice looking build so far bud!
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Hey Eyeball! You mean Satin? Not Satan lol? Either way I think it's damn cool color scheme. I built a Chevy 350 engine when I was in high school that was the same color scheme. Good luck with the build bud
Loren
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Hey Eyeball! You mean Satin? Not Satan lol? Either way I think it's damn cool color scheme. I built a Chevy 350 engine when I was in high school that was the same color scheme. Good luck with the build bud
Loren
nope didnt mean satin.
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the reason i call it satan is because it because it is a pain, every time i go to work on it something else breaks and its just generally being a pain. and The Norm expect to see this bike at the winchester bay ride in august.
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Hail Satan!
Love it. Other than the gas tank...because I have the same gas tank, which doesn't match my bike. So I bought a Cascade cover, which sucks. It interferes with the gas cap clearance, so I am constantly spilling gas or the cap comes loose.
Hate the tank, but love Satan.
\w/
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who here is going to be at the ride at winchester bay in august. also i need to powder coat the swing arm and axle what colors do you recommend?
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who here is going to be at the ride at winchester bay in august. also i need to powder coat the swing arm and axle what colors do you recommend?
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Great seeing build pics. I’m going to the Winchester Bay meet in August. This will be my second year in a row. I’m from Cleveland, Ohio
Joe
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I have a red tank I'd trade you, I need a blue one.
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I just got back from riding a few days ago and just decided to write up. I got my motor back from LED 3 days before we.went on the ride and i got it in and it started but the next day I had to take it back out because the water pump shaft was marred up and was leaking oil from the weep hole. And Arlen wanted to see it and wanted to fix it and make it right. Anyways got it in 2 days before we left and it worked great for break in it was just running a little fat but overall break in went good but then the day after I was pretty much done i went to change the jetting and noticed that the spark plug had backed out quite a ways and so I put it back in Nd tightened it but it happened the next day too. So I started another post and now that I'm home I cant really test it other than just idling it and revving it but cant really move it under it's own power very much. I did get some good pictures though
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I do need a set of black full bore plastics though or just paint these black because they are all cracked up but internally so it's just little black stress fractures all over. And it looks crappy
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Looks good Evan!
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nice pics, jealous you got out there! You have any other trips planned?
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thanks. we only have 2 other trips planned for this year but we are probably going to go atleast a couple more times this year, our next planned trip is to the winchester ride in august then with some friends.
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thanks. we only have 2 other trips planned for this year but we are probably going to go atleast a couple more times this year, our next planned trip is to the winchester ride in august then with some friends.
Right on, will be great to see everyone!
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I took my motor apart and I got my cases split. I did find it had less than half a quart of oil in it and I think I found a hole in one of my main seals so that's where it was getting by. And my cylinder had a small crack in one spot and scored pretty bad but good thing I am doing a new cylinder. I should have my motor done in the next couple weeks but I have no idea about the pipe I'm getting also. Just kind a thought I'd share what I found
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Before you start this new engine you absolutely need to do a leak down test. It seems that your problems have been a continual lean condition. When you burn up the 350 cylinder it will cost twice as much to rebuild as your stock cylinder.
Things you must do before you start the new engine:
1) Static compression test.
2) Leak down test (hold 8psi for at least 10 minutes)
3) Check fuel flow to the carburetor
4) Test your ignition
5) Fill the transmission with oil
6) Consider the jetting advice given to you constantly by the many experienced people on this site.
In 25 years of riding 2 strokes I have only lost 1 engine and it was at this year's R meet. I have spent hours trying to determine the cause.
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I was told that it did hold for a compression test by arlen and I trusted him but I absoloutly am doing my own leak down test this time I'm also assembling it myself this time and on the jetting I dont know where to start on that so any information would be great. I now know why there is so much build up on top of my piston now and that's because it was crank case oil.
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Why not have Arlen assemble it as far as jetting start rich and adjust one at a time starting with the pilot then needle and main last
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I just dont know where to start because it needs so much more fuel. And the oil I did put it in a measuring cup and it was a quarter of a quart so it wasnt burning too much but still burning some. I was thinking of the banshee and how it takes a quart and a half
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Are you sure that the transmission was accurately filled and then checked on a level surface? Did you remove the level screw first and added oil until oil spills out of the level plug hole. If so, you probably did get the transmission full of oil. It sometimes takes a while for the oil to equalize from the clutch compartment side to the transmission side.
Are you sure that there is not an external leak out of any of the other seals that keep oil in the transmission, or gaskets or out of the vent line?
Crank seals do not usually get a hole in them. The sealing edges of the seal lips get flat and loose their sharp edges as they ware. Crank seals and minor air leaks get blamed for a lot of burned up and or seized pistons that were actually due to miss tuned carburetors and or riding styles that are not compatible with high performance two strokes.
Pressure testing the crankcase is not the end all answer to knowing if your crankcase is air tight. There are two lips on crank seals. One lip holds pressure and the other holds vacuum. A leaking vacuum lip on the seal is what causes lean conditions and not a leaking pressure lip on a crank seal. A leaking pressure lip just causes a very slight loss of power or sometimes blows transmission oil out of the transmission vent line.
The Vacuum lip is very flexible and delicate and is usually the first lip to ware out. The pressure lip on most OEM crank seals usually have a special coating that is brown or copper looking in appearance. Most of the online seal kits do not have good quality crank seals in them. Try to use OEM crank seals if possible. If you use OEM seals and load up the area between the two lips with light weight white grease or vaseline the crank seals will last forever
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It was done on level surface i did stop the filling as soon as it came out of the level plug and there for sure is no external leaks. And I did notice this morning that the clutch side main. Seal was not seated right, one side of it was pressed in further
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I just got my motor back a few days ago and I assembled it over the weekend and it passed all the tests so I started it fired right up and I let it run for a minute then shut it off and then the fourth start I apparently either didn't torque the primary drive gear bolt down or loctite never cured cause the bolt came through my clutch cover Wich I was planning on changing out anyways so I went back through and re torqued everything with a manuel and so Thursday when I'm at LED I'll get a new clutch cover but it runs and that's what matters so it should just be a new cover and break it in. This was my own stupidity I probably forgot to torque it or forgot something
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I just got my motor back a few days ago and I assembled it over the weekend and it passed all the tests so I started it fired right up and I let it run for a minute then shut it off and then the fourth start I apparently either didn't torque the primary drive gear bolt down or loctite never cured cause the bolt came through my clutch cover Wich I was planning on changing out anyways so I went back through and re torqued everything with a manuel and so Thursday when I'm at LED I'll get a new clutch cover but it runs and that's what matters so it should just be a new cover and break it in. This was my own stupidity I probably forgot to torque it or forgot something
That's the worst, but it happened to me once upon a time. Remind me what size motor this is? Looks great, and will be a sweet upgrade when all is said and done!
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It's a 350 CEO
ported by Arlen with a later model crank
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Looks sweet. Jealous. I’d like to try a stock stroke ceo. What exhaust are you going to use?
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I got a 350g pipe from LED also
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I finally got to take it on it's first real ride this weekend we rode HARD we went as far south then all the way North and back at Florence in just a couple hours and had almost no problems and it is a super playful motor alot of bottom-mid. I was hitting tree shots in fourth and it was running great all the time. I think I possibly might've cracked a Reed pedal but I'm not 100%. And it kept blowing a radiator hose off but other than those it was running fine. Suprised I didn't get a ticket for being too loud. I'm just happy it made it home running
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A few pictures I got of the trip. Sadly I don't have the one of it 15 feet in the air coming out of an idiot hole