Wiseco 4966M10100 Forged Series Piston Kit 4 Stroke, 101.00 MM Bore, 9.9:1 CR

Wiseco Part#: 4966M10100

Product Type: Single Pistons

Fits:

2002 - 2008 YAMAHA YFM660F GRIZZLY 4X4

2001 - 2005 YAMAHA YFM660R RAPTOR

2004 - 2005 YAMAHA YXR66F Rhino 660

2006 - 2007 YAMAHA YXR66F RHINO 660

Specs:

Bore Diameter: 101.00

Compression Ratio - Actual: 9.9:1

Piston Diameter: 100.92

Piston Material: 2618

Piston Oversize: 1.00

Product Series: 4 Stroke Forged Series

Product Types: Piston Kits

Skirt Coating: Yes

Includes:

Ring Set #10100XS, Wrist Pin #S655, CirClip #CW22