Wiseco Forged Piston Kit 100.50 mm 9.9:1 CR for Yamaha YFM660 F Grizzly 2002–2008 4966M10050

Wiseco 4966M10050 is a piston kit for a 100.50 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: 4966M10050
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 100.50 MM
• Piston Diameter: 100.42 MM
• Piston Oversize: 0.50 MM
• Piston Material: 2618
• Skirt Coating: Yes
• Compression Ratio Actual: 9.9:1

Included components

Ring Set #10050XS, Piston pin #S655, Circlip #CW22.

Cylinder preparation

Wiseco specifies: Bore & Hone.

Select by the required finished cylinder bore. Bore diameter and piston diameter are different measurements.

Manufacturer photograph for this reference. Packaging presentation may change.