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CNYMRA Main Page -> CNYMRA Classifieds -> CNYMRA Classifieds -> 2007 CR 85 gearing
Post Info TOPIC: 2007 CR 85 gearing
Clay Du

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2007 CR 85 gearing
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Hi , I have 2 questions. The first is my son is set up to begin racing in district 3 in the 12 year old youth mini Class. His bike is a 2007 cr 85r. It is the small wheel version bike. Could anyone tell me the best sprocket ratio to purchase . Right now it has a stock front and rear. The rear is a 49 tooth. Also I have to get a new chain. Should I go with o ring or non o ring ? What is the best sprocket ratios to get as well as the best chain to get. Thanks again for your help. 



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Allstarkidjustin

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ok. Is he looking for speed or torque? speed go for bigger front smaller rear. For torque do opposite. Supersprox sprockets are amazing and last a ton longer than steel and aluminum. Get a oring and keep it trimmed and lubed. they last longer. my yz85 was a weiner on torque. So i would gear up, stock front and 50-52 rear. he will love it.

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accelerationanim.htmStewie if it aint rubbin it aint racin!!!!!!!   accelerationanim.htm
Clay Du

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Thanks

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