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Big Bore Kit, 790cc

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Made in USA ProCycle Approved
DR650 '96 - '23
Sleeve/Cylinder Options

The 790cc Big Bore Kit includes a custom made, forged 9.5:1 piston with rings, wrist pin and circlips. A custom made multi-layer steel head gasket, OEM metal base gasket, tensioner gasket, and cam bolt lock plate and a ProCycle specific big bore cylinder sleeve.

Cylinders with 790 sleeves installed are usually in stock, but we must have your original cylinder as a 'core'. These cores allow us to keep up this program and it is nothing more than an exchange - we give you ours, you give us yours.