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Old 11-25-2019, 06:01 PM
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anickode anickode is offline
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It'll be fine. Depending how wide your frame is (and thus how far your bearing carriers are), you might consider adding a third bearing carrier somewhere in the middle of the frame next to the sprocket location to help alleviate the overhung load (force pulling laterally on the shaft) resulting from the tension of the chain under acceleration.

However, a motorcycle engine probably wouldn't be my first (or even third or fourth) choice for a first kart build. Even a small one has the potential to push a kart to very high speeds, which can be particularly dangerous without good brakes, proper tires, well-designed steering, and on a frame that you taught yourself to weld on.

Not saying you can't, just saying it may not be the best choice.
"Well that would be a bomb."