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Chain will tighten and loosen on its own?


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I typically always check my chain before I ride. Ive been noticing the chain will be really lose. Ill tighten it..it will be loose again. Or the chain will be really tight..to the point Ill have to loosen it. The adjustment bolts are still tight. The carrier isnt moving. Someone suggested my swingarm itself may be wore out but I cant really feel any slop in it. Could it be the chain?

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Check your axle bearings.

 

When checking chain tension, measure slack, rotate the wheels a Half turn and check again. Do this eight times keeping track of the slack each time. Do you have a "Tight spot"? (Sprocket oval or chain has a stretched area)

 

If the chain is stretched in a spot, you need a whole new chain and sprockets.

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a bad chain could trash new sprockets i would think it works both ways. better safe then sorry. personaly i would get just the chain but i live for now. hell, i need a new one and havent got to it yet. that was over a year ago.

Edited by xXBlessedWithDeathXx
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Also, jack up the bike so the swingarm and rear tires hang freely. Wiggle the axle back and forth and up and down checking to see if there is any play where the swingarm meets the frame and where the axle comes out of the carrier. It may be bearing replacement time.

 

Good luck.

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