Go-Kart Bearings

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I have a 5hp Tecumseh engine on a very old go-kart. Right now, I have a 12 tooth centrifugal clutch and I have a 40 tooth sprocket on my wheel (not a live a axle but single wheel drive). I found a better cluth (17 tooth) but I don't know if my bearings th at I have right now could take the speed increase. So, which bearings are recommended that can handle high speed but are relativley cheap? Is there a centrifugal clutch that is bigger than 17 teeth that is cheaper than $60 (just in case I can acheive mor e speed)? And, is there a sprocket for a drive wheel, not a live axle, that is smaller than 40 tooth?ˇˇ

-- Daniel S. (peachhead_2000@hotmail.com), March 24, 2003

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