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what will it be like to put a crf motor in the trx frame. would the motor mounts lign up? would you have more power? i would love to know cus maybe i will do it some day if its worth the change.
 

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I am not sure it would be worth the time/money/head ache... There is alot different, but you may be better off (cheaper) building your TRX motor close to the CRF (Cam, Higher comp piston, Carb, etc.) My TRX with the CHM pulls almost as hard as my CRF450 does... not as hard, but pretty close.

Dave
 

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You'll spend a lot less money and end up a lot more reliable by building your TRX engine to develop more power than the CRF - not to mention, retaining your forward kicker & staying legal for several classes of racing.
 
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