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I notice everytime I go up a steep hill or turn sharp and gas it that the front sprocket slips or something. What could cause this.
 

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Chain too loose. Sprocket and/or chain worn out.
 

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So can anyone let me know which chain and sprocket size ill need please. I know chain isn't too loose cause it's good and tight
 

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So can anyone let me know which chain and sprocket size ill need please. I know chain isn't too loose cause it's good and tight


Stock sprockets are 14T front, 50T rear. Chain is a 428, 122 links.



Define "good and tight". It it's too tight you'll wear out chains and sprockets prematurely and risk tearing out the output shaft when your suspension compresses.
 

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I mean it's not so tight that stuff will snap but tight enough not to fly off the sprocket. What brand is good
Yamaha sprockets are good quality, and surprisingly reasonably priced from the online parts houses. JT, Sunstar, and Parts Unlimited also sell good quality sprockets.



EK, RK, and DID all make a dandy o-ring chain in the 428 size that fits TWs. Some people say the o-rings suck power, but most of us can't tell the difference, and the o-rings cut waaaaaaay down on maintenance, almost to the point of total neglect, while providing a long useful life.
 
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