WSM 0911-0012 010-970 Piston Rings 73.90 mm - yamaha Brand_Demon Covers smaller outboard engines all

Covers smaller outboard engines all the way through to diesel engines

Compact design for discrete placement & easy uninstallation to revert to stock settings

Riding Style Off-Road Units Each Dispenser Type Aerosol Spray Product Name Lubricant Type Chain Model C4 Packaging 12 per Case

The stock throttle body produces an excellent powerband and use of a high-flow throttle body will increase peak power numbers

case-hardened steel for an exact fit and lobe profile

WSM 0911-0012 010-970 Piston Rings 73.90 mm - yamaha Brand_Demon Covers smaller outboard engines allFeatures Order one per cylinder Specs Product Name Piston Rings Bore Size 73. 90 mm Bore Oversize Standard Bore Oversize Standard Riding Style Watercraft Units Set