Seller notes

Wiseco Piston Kit 83.00mm YAMAHA BIG BEAR BRUIN GRIZZLY RAPTOR WARRIOR 350 Lightweight forging for instant throttle response and maximum torque . Computer engineered piston skirt profiles provide minimal cylinder wall friction . Piston kit includes piston, rings, wristpin and circlips. Compression Ration 12:1. Specs: Oversize - Standard Bore Size - 83.00mm Compression Ratio - 12:1 Fits the following models: YAMAHA BIG BEAR 2x4 350 1996-1999 YAMAHA BIG BEAR 4x4 350 1989-1999 YAMAHA BRUIN 350 2x4 ...

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