Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand divert and deflect up to

divert and deflect up to 90% of the energy for road shock

unless otherwise noted

Style P-85 Clutch Type Primary Clutch Cover Units Each Product Name Clutch Bushing Riding Style Snow

Type Organic Base Units Set of 2

Wiseco Forged Series Piston Kit - 394M08650 Yamaha Dirt Bikes 1977-1978 Brand divert and deflect up toFeatures Forged from high silicon alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Kit includes piston, rings, circlips and wrist pin Specs Displacement 397 cc Bore Size 86. 50 mm Bore Oversize +1,50 mm Bore Oversize +1. 50 mm Riding Style Off Road Units Kit Piston Material 4032 Aluminum Alloy Engine Type 2 Stroke Piston Diameter 86. 42 mm Stroke