Im going to go the route of buying a longer shaft and using collars to hold everything in place. I understand what you mean about tapping the ends. I am a mechanic and own a tap set. But I have only used it to repair expensive parts. I have always figured a cheap part just gets replaced.
Cole mine is the same as yours.Have you replaced the jackshaft before? As far as building one,dont think it would be worth it to buy one and send it off to a machine shop to have it drilled and tapped.
Being dirty isn't the issue. It is the shaft it self is worn where it rises on the bearing. So even if new bearings installed it would still have a lot of play.
Picked up a 2 seater carter kart and the jackshaft needs to be replaced. It has a torque convertor set up. On either end of the shaft the sprocket and clutch mount up using a bolt that threads INTO the end of the shaft. Looked all aver and have yet to see one with threaded holes at the ends. Its...