Please help

Brevinso13

New Member
Mar 18, 2021
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Can some one help me I have a motor bike kit thing for a bike ok and I have everything put on thair right it’s just when ever I’m Peedling the motor locks up but if I roll the bike back it will free up and I can ride it again but it’ll do the same thing
 
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Larry Trotter

Active Member
Nov 26, 2017
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Probably chain alignment. The chain jumps a tooth on the motor end and stacks up inside the housing locking the wheel.
 

Oldbiscuit

Well-Known Member
Oct 3, 2020
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Another thing to look at is your chain tensioner. Where do you have it located ? On the bottom (return side) or the top (drive side). ? It has to be on the bottom return side.