Author Topic: CRF 50cc to110cc race pit bike build  (Read 1996 times)

Offline folklord36

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CRF 50cc to110cc race pit bike build
« on: February 02, 2009, 10:34:07 PM »
Hey guys got my new PIT bike today I got a great deal on a CRF 50 120 bucks its only a yr old in great condition I just sold my KX 125 to have money for my car Im still saving for it but at 120 bucks for this 1,200 bike I couldn't resist. Well I plan to build it into a race pit bike If my PSP sells I found some 88cc kits on Ebay that with a 52mm crank shaft will give me a 110cc and I got a 110 performance carb already so all together Ill be paying about 600 max for a 110cc race tuned pit bike . Only worries I have is about my clutch on the bike stock it has a 3 gear centrifugal clutch witch I see burning out with the engine upgrade but clutches for these bikes can be almost as much as full engine rebuilds so im gona hold off on that till it burns out just slap stonger cluth springs in it for time being. It will suck not having a manual clutch on it for racing and such but for the price ill be happy with the build I think then ill be bale to sell it for a good 800-1000 when its all built and im done with it so I think ill even get my money back out of it with resale in a year or two and buy my self another 125. Any one else here on AM ride?

Offline Skullmaster

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Re: CRF 50cc to110cc race pit bike build
« Reply #1 on: February 03, 2009, 05:05:11 PM »
Got some pics?

Offline tmandt

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Re: CRF 50cc to110cc race pit bike build
« Reply #2 on: February 03, 2009, 05:18:28 PM »
show some pics

Offline folklord36

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Re: CRF 50cc to110cc race pit bike build
« Reply #3 on: February 03, 2009, 07:02:54 PM »




Crappy PSP camera picture but that it I have done a few mods to it I opened up some restrictions on the exhaust and intake. I also advanced its timing just a little bit as the stock setting is a lil sluggish. http://www.dirtrider.net/forums3/showthread.php?t=168343 I contacted this guy today and he still has the clutch and lift kit im going to try and get them both for 200 cus shipping will be cheap cus were so close that is a great deal I think I just may buy it now regardless of my psp selling. That and a new 88cc bore kit for 200 off eaby and the 70 dollar crank and ill have quite a nice pit bike build.

 

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