500 motor in a trx250r

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Jan 23, 2006 | 06:56 PM

bigbracin

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500 motor in a trx250r

Jan 23, 2006 | 09:03 PM

Ren

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500 motor in a trx250r

what kind of 500

Jan 24, 2006 | 01:44 PM

TheTurtle

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500 motor in a trx250r

a friend of mine is working on a rotax 550f 400ex conversion.

Jan 24, 2006 | 01:49 PM

TRX888

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500 motor in a trx250r

If you are refering to a cr500 motor, unfortunatly the 500 is not conter balanced and will vibrate and crack welds on the 250r frame. Maybe ok for sand, but not motocross. why? A 330 or 350 powervalve will produce as much HP and torque if its built right.