Wiseco 4782M08050 Piston Kit - 0.50mm Oversize to 80.95mm, 11:1 Compression engine-cylinder-kits-replacement-parts 1983 Yamaha PW80

1983 Yamaha PW80

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Wiseco 4782M08050 Piston Kit - 0.50mm Oversize to 80.95mm, 11:1 Compression engine-cylinder-kits-replacement-parts 1983 Yamaha PW80Bore: 80. 95mm Compression: 11: 1 Compression Sizing: 0. 50mm Oversize SPECIFICATIONS. Displacement: 641cc. Bore Standard: 80. 00mm. Bore Actual: 80. 50mm. Bore Oversize: 0. 50. Stroke: 63. 00mm. Cylinders: 2. Compression Ratio Actual: 11: 1. ITEM CONTENTS. 3169XC 80. 50 mm Ring Set. CW20 ROUND WIRE PIN LOCKS 20MM (PAIR). S520 PistonPin 20mm x 2. 362in. NonChromed TW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers