xr650 engine performance

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03-22-2004, 10:09 PM

cRazyJ

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xr650 engine performance

im building a custom quad with an XR650 motor in it and was wondering if any one knew where to go to hop up the engine, things such as cams, porting, stroker crankshaft, oversized valves etc. thanks

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03-22-2004, 10:45 PM

KNOWSALOT

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xr650 engine performance

Thumper Racing and XRs Only

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