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Old 06-30-2008, 10:33 PM
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ran49 ran49 is offline
Motorized Bicycle Elite Member
Join Date: Mar 2008
Location: So.In.
Posts: 186
Default engine bearings source

I managed to break my 70cc boy go fast down except for taking the crank apart.Looks like it wasn't meant to be taken apart.the large lower pin holding the two halves of the crank together with the roller bearing in the center almost look brazed on.Anyway I plan on replacing the outside crank and jack shaft bearings
On my motor they are both 15mm bore 35mm O.D. and 11mm thick.The jack shaft bearing are sealed and the crank bearings are open.both are marked 6202.Any good source to purchase these.Ron

Last edited by ran49; 06-30-2008 at 10:43 PM.
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