686Cc Big Bore Piston Kit 2.00Mm Over Compatible With 2002-2008 Yamaha Grizzly 660 4X4 Yfm660f 102Mm

SPORT ATV — RAPTOR 660R (2001-2005):

YAMAHA RAPTOR 660R:
• Yamaha Raptor 660R YFM660RP 660cc SOHC 5-Valve Liquid-Cooled (2001-2002)
• Yamaha Raptor 660R YFM660RS 660cc SOHC 5-Valve Liquid-Cooled (2003)
• Yamaha Raptor 660R YFM660RT 660cc SOHC 5-Valve Liquid-Cooled (2004)
• Yamaha Raptor 660R YFM660RSET 660cc SOHC 5-Valve Special Edition (2004-2005)

UTILITY ATV — GRIZZLY 660 (2002-2008):

YAMAHA GRIZZLY 660:
• Yamaha Grizzly 660 4x4 YFM660FP 660cc SOHC 5-Valve (2002-2003)
• Yamaha Grizzly 660 4x4 Auto YFM660FA 660cc SOHC 5-Valve (2003-2008)
• Yamaha Grizzly 660 Hunter 4x4 YFM660FH 660cc (2002-2008)

UTILITY UTV — RHINO 660 (2004-2007):

YAMAHA RHINO 660:
• Yamaha Rhino 660 Auto 4x4 YXR660FAS 660cc SOHC 5-Valve (2004-2005)
• Yamaha Rhino 660 Auto 4x4 YXR660FAV 660cc SOHC 5-Valve (2006)
• Yamaha Rhino 660 Auto 4x4 YXR660FAW 660cc SOHC 5-Valve (2007)
• Yamaha Rhino 660 Sport Edition YXR660FHXL 660cc (2007)

ENGINE DETAILS:
• 660cc 4-Stroke SOHC Liquid-Cooled 5-Valve Single Cylinder
• 3 Intake Valves, 2 Exhaust Valves
• 100 x 84mm Bore x Stroke
• 9.1:1 CR (Grizzly/Rhino), 9.2:1 CR (Raptor)
• Raptor: Dual 33mm Mikuni BSR33 Carbs, 5-Speed Manual, Dry Sump
• Grizzly: Single 42mm Mikuni BSR42/1 Carb, Ultramatic CVT, Wet Sump
• Rhino: Single Mikuni Carb, Ultramatic CVT, Wet Sump
• DC-CDI Electronic Ignition
• Electric Start with Auxiliary Recoil Pull-Start

NOTES:
• Same cylinder/piston across all 660 models
• Verify OEM part number and bore size before ordering