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Old 01-07-2010, 10:25 PM
exavid exavid is offline
Motorized Bicycle Elite Member
Join Date: Dec 2009
Location: Medford, OR
Posts: 163
Default Re: Chain tension problem

Well I ground some of the driven sprocket teeth and got the chain to run with pretty much the same amount of slack all the way around. Yesterday I cut the header pipe on the muffler and spliced in 2" of tubing to get clearance from the bike frame and buttoned her up. I was really surprised how quickly the engine started up. It was a lot quieter than I expected. I made three separate rides on the bike in the afternoon but on the third ride apparently the idler pulley slipped and the resulting slack caused the chain to come off the sprocket and lock the wheel. I was making a short u-turn so the sudden unexpected lock up dumped me on my butt. Luckily not any real damage. So tomorrow I'll modify that idler so it can't move. Discounting my inelegant dismount it was a lot of fun.
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