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my R
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.
February 17, 2020, 12:32:06 PM |
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Radical Racing
Starting out small.... February 27, 2021, 02:39:48 PM |
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Re: Radical Racing
Nacs racing had the coolest sticker and seat kit for the 250r ever. I d put one on the quad I am building if I could get my hands on one. Contact Craig Greenwood at Barnhart’s Honda (in Pennsylvania). He was getting the graphics kit remade. Not sure on seat cover though. Joe March 08, 2021, 03:56:11 PM |
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Re: Bearing removal
Heat or bread crumbs and a punch or blind hole bearing puller
March 16, 2021, 09:57:38 PM |
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Re: Bearing removal
I picked up an old nasty used oven for free about 5 years ago for doing exactly what Loren described. It's also handy to have a shop oven for curing painted or powder coated parts.
March 17, 2021, 02:41:27 AM |
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Re: Bearing removal
So you have to get a very clear accurate scribe line on the counter balance gear or you will cause a big vibration issue. I have rebuilt a couple with success so it can be done. I use a center head for my combination square to scribe a line down the center of the gear and end of the shaft. Then I rotate the counter balance 45° and scribe a line from the edge of the gear to the center of the first line. That gives me three lines to get the gear on correctly. The line at 45° also prevents you from getting the gear 180° out. I set the counter balance up in my press and then warm the gear with a small propane torch and gently press it out. Once warm it pretty much drops off. The bearing is pretty much a slip fit so it should come right off. Then I let everything cool to room temperature. I put the counter balance in the freezer overnight. Gently clamp the counter balance in the vise using cardboard or rags as softeners. Heat the gear to 200°f and drop it on. You will have about 10 seconds to get it timed correctly so don't waste time. If its off just give it a twist to line it up. You attempted this without the special Honda jig that was purchased directly from Honda & only available for use in Rancho Cucamonga California? March 17, 2021, 01:07:15 PM |
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Re: Bearing removal
I would say if you're just replacing that shaft because of the splines being worn, just get the correct shaft. After 30 years many motors have different year variations of parts in them. To answer your question, if you want to use the shaft on the right that you just bought, you would need to change the clutch cover, gears, collars, and thrust washers to complete the 85-87 parts package. A few areas off the top of my head that this can happen is the transmission gearing 5-6, kicker assemblies, shaft,gear, and cover, cranks/pistons, water pump shaft/impellers, and clutch rods/ bearings/and pressure plates. They will interchange through the years, only if you use all the matching parts that coincide with that group of parts. This would make a great post to the tech section if there isn't one already. I cant say if the Honda manual shows these differences or not. You can year class those kicker shafts visually by the length of the area that the gear rides on them= Just below the snap ring in your pictures. Left in your pic with the longer bearing surface below the snap ring 87-88 Right side in your pic with the shorter bearing surface below the snap ring 85-87 March 24, 2021, 09:29:01 AM |
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Re: Bearing removal
Looks like a Starrett mic. You & me are at about the same place in our engine builds, only difference being I started mine last August.lol... I work very slow.
March 27, 2021, 02:44:14 PM |
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Re: Bearing removal
Stock 66mm is 2.598" so you are at 2.657 which is 67.49mm. That brings you to 258cc. To get a 265cc you need a 68.5mm bore at the stock 72mm stroke. 1mm is .03937" Loren March 27, 2021, 07:24:49 PM |
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Re: Shocks
They pop up used from $150-250 but in my opinion to spend that plus the $500 to revalve I’d just look for a good set of premium used shocks
April 09, 2021, 08:24:00 PM |
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