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Raptor 660 Piston Kits CP Pistons Yamaha Rhino 660 ATV Piston Kits Standard Bore, Big Bore and High Compression YFM 660 Raptor Pistons

Yamaha Rhino ATV CP Pistons Logo 660 Raptor

CP Pistons, for those that demand the ultimate in engine performance!

High performance and racing Yamaha piston kits are available from CP Pistons for all model years of the YFM Raptor 660 / Rhino 660 four stroke ATV's. Standard bore size and big bore Rhino 660 / 660 Raptor CP Pistons Yamaha ATV kits are all available here. We also have 660 Raptor high compression piston kits. These forged pistons will work with oversize valves as well as high lift camshafts as they include oversize valve reliefs. They incorporate a "X" style forging for greater strength, durability and reduced weight. Along with the full radius dome designs, high performance piston rings and lightweight piston pins, these pistons offer the highest quality and are engineered for maximum power output.

CP Pistons ATV racing pistons are used by top professional riders and teams.

Yamaha Raptor 660 YFM 660 atv piston

Standard Features included with each Yamaha Raptor 660 Rhino 660 CP Piston Kit:
Double forced pin oilers Fully CNC Machined
Accumulator groove Pick lock removal grooves
Anti detonation grooves X-style forging
Light weight pins Balanced to + or - 1 gram


2001 - 2006 YFM 660 Raptor Rhino 660

  • Piston / Gasket Kit Set includes: 1 Piston, 1 Piston Pin, Piston Rings, Pin Lock rings, 1 Top End Gasket Kit
  • Piston Kit includes: 1 Piston, 1 Piston Pin, 1 set Piston Rings, Pin Lock rings for 1 cylinder
  • Gasket Kit Includes: Cometic high performance top end gaskets required to replace piston in 1 cylinder


Stock Bore is 100mm (3.937") Stock Stroke is 84mm (3.307")

Bore Size Size Compression Installation Notes

Yamaha Rhino piston and top end gasket kit

Piston/Gasket Kit

Yamaha Raptor 660 piston kit

Piston Kit

Yamaha YFM 660 Raptor Rhino 660 top end gasket kit

Gasket Kit
Replacement Piston Rings
100mm std. 660cc 11.0-1 deglaze cylinder cpk1015 cp m1015a cp c7044est cp RS1610XHH-3937
102mm +2mm 686cc 11.0-1 bore and hone cpk1016a cp m1016a cp c7798 cp RS1008-4010-5
102mm +2mm 686cc 12.0-1 bore and hone cpk1017a cp m1017a cp c7798 cp RS1008-4010-5
102mm +2mm 686cc 12.5-1 bore and hone cpk1018a cp m1018a cp c7798 cp RS1008-4010-5
105mm +5mm 727cc 12.0-1 requires sleeve or cylinder cpk1019 cp m1019a cp c7909 cp RS1000-4130-5


Carrillo Yamaha Rhino 660, Raptor 660, YFM 660 Connecting Rod

Honda CRF 450 Carrillo Connecting Rod Carrillo CRF450R connecting rod image

Premium Carrillo Raptor 660 connecting rod provides superior strength for extreme high performance and racing YFM 660 Raptor engines. Designed with legendary Carrillo quality to give you an extremely strong and dependable replacement connecting rod at a reasonable price. Can be used as a stock replacement connecting rod as well as for high performance and racing engines, including big bore engines.

2001 - 2006 Raptor 660, YFM 660, Rhino 660 Connecting Rod



These piston kits fit the following model year YFM 660 Raptor and Rhino 660 engines: 2001 2002 2003 2004 2005 2006 Raptor 660




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