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CP Pistons for Yamaha Motorcycles, Dirt Bikes, Street Bikes, Quads, ATVs

CP Pistons manufactures some of the finest forged pistons available today. Several shelf part pistons are available for Yamaha. Shelf part pistons are capable of extreme horsepower with upgraded wrist pins. It does not matter if your application is CP pistons will maximize performance and strength of your engine. Depend on CP Pistons to take you to the checkered flag. If no shelf parts suit your application, please call us at (909) 390-7088 or email us at [email protected] and we will have some made to your exact specification and requirements.

CP Pistons Shelf Part Pistons available for Yamaha

2001-2004
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
13.0:1
Deglaze Cylinder(s)
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
13.5:1
Deglaze Cylinder(s)
Yamaha
YZ250F (263cc)
79.0mm
+2.0mm
53.6mm
13.0:1
Bore and Replate Cylinder(s)
2005-2008
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
12.8:1
Deglaze Cylinder(s)
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
13.5:1
Deglaze Cylinder(s)
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
14.0:1
Deglaze Cylinder(s)
Yamaha
YZ250F (263cc)
79.0mm
+2.0mm
53.6mm
12.5:1
Bore and Replate Cylinder(s)
Yamaha
YZ250F (269cc)
80.0mm
+3.0mm
53.6mm
12.5:1
Requires Sleeve or Nikasil Cylinder
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
14.25:1
Full Race Piston, *No rings supplied; Deglaze Cylinder(s)
Yamaha
YZ250F (250cc)
77.0mm
STD
53.6mm
14.25:1
Full Race Piston, Deglaze Cylinder(s)

2003-2008
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YZ450F (449cc)
95.0mm
STD
63.4mm
13.0:1
Deglaze Cylinder(s)
Yamaha
YZ450F (449cc)
95.0mm
STD
63.4mm
13.5:1
Deglaze Cylinder(s)
Yamaha
YZ450F (468cc)
97.0mm
+2.0mm
63.4mm
13.0:1
Bore and Replate Cylinder(s)
Yamaha
YZ450F (468cc)
97.0mm
+2.0mm
63.4mm
13.5:1
Bore and Replate Cylinder(s)
Yamaha
YZ450F (478cc)
98.0mm
+3.0mm
63.4mm
13.5:1
Requires Sleeve or Nikasil Cylinder
Yamaha
YZ450F (449cc)
95.0mm
STD
63.4mm
13.75:1
Full Race Piston, Deglaze Cylinder(s)

2003-2005
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YFZ450F (439cc)
95.0mm
STD
62.0mm
12.5:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (439cc)
95.0mm
STD
62.0mm
13.0:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (439cc)
95.0mm
STD
62.0mm
13.5:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (449cc)
96.0mm
+1.0mm
62.0mm
13.0:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (449cc)
96.0mm
+1.0mm
62.0mm
13.5:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (458cc)
97.0mm
+2.0mm
62.0mm
12.5:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (458cc)
97.0mm
+2.0mm
62.0mm
13.0:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (458cc)
97.0mm
+2.0mm
62.0mm
13.5:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (468cc)
98.0mm
+3.0mm
62.0mm
12.5:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (439cc)
95.0mm
STD
62.0mm
13.25:1
Full Race Piston, Deglaze Cylinder(s)
2006-2008
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YFZ450F (449cc)
95.0mm
STD
63.4mm
12.75:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (449cc)
95.0mm
STD
63.4mm
13.25:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (449cc)
95.0mm
STD
63.4mm
13.75:1
Deglaze Cylinder(s)
Yamaha
YFZ450F (459cc)
96.0mm
+1.0mm
63.4mm
13.251
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (459cc)
96.0mm
+1.0mm
63.4mm
13.75:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (468cc)
97.0mm
+2.0mm
63.4mm
12.75:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (468cc)
97.0mm
+2.0mm
63.4mm
13.25:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (468cc)
97.0mm
+2.0mm
63.4mm
13.75:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (478cc)
98.0mm
+3.0mm
63.4mm
12.75:1
Bore and Replate Cylinder(s)
Yamaha
YFZ450F (449cc)
95.0mm
STD
63.4mm
13.5:1
Full Race Piston, Deglaze Cylinder(s)

2002-2005
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YFM660 Rhino/Raptor (660cc)
100.0mm
STD
84.0mm
11.0:1
Deglaze Cylinder(s)
Yamaha
YFM660 Rhino/Raptor (686cc)
102.0mm
+2.0mm
84.0mm
11.0:1
Bore and Replate Cylinder(s)
Yamaha
YFM660 Rhino/Raptor (686cc)
102.0mm
+2.0mm
84.0mm
12.0:1
Bore and Replate Cylinder(s)
Yamaha
YFM660 Rhino/Raptor (686cc)
102.0mm
+2.0mm
84.0mm
12.5:1
Bore and Replate Cylinder(s)
Yamaha
YFM660 Rhino/Raptor (727cc)
105.0mm
+5.0mm
84.0mm
12.0:1
Bore and Replate Cylinder(s)

2006-2007
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
Raptor 700R / Rhino 700FI (686cc)
102.0mm
STD
84.0mm
11.0:1
Deglaze Cylinder(s)
Yamaha
Raptor 700R / Rhino 700FI (686cc)
102.0mm
STD
84.0mm
12.0:1
Deglaze Cylinder(s)
Yamaha
Raptor 700R / Rhino 700FI (727cc)
105.0mm
+3.0mm
84.0mm
10.75:1
Bore and Replate Cylinder(s)
Yamaha
Raptor 700R / Rhino 700FI (727cc)
105.0mm
+3.0mm
84.0mm
12.0:1
Bore and Replate Cylinder(s)
Yamaha
Raptor 700R / Rhino 700FI (727cc)
105.0mm
+3.0mm
84.0mm
13.0:1
Bore and Replate Cylinder(s)
Yamaha
Raptor 700R / Rhino 700FI (734cc)
105.5mm
+3.5mm
84.0mm
12.5:1
Bore and Replate Cylinder(s)

2004-2006
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YFZ R1 (998cc)
77.0mm
STD
53.6mm
13.0:1
Deglaze Cylinder(s)
Yamaha
YFZ R1 (1025cc)
78.0mm
+1.0mm
53.6mm
13.0:1
Bore and Replate Cylinder(s)
Yamaha
YFZ R1 (1050cc)
79.0mm
+2.0mm
53.6mm
13.0:1
Bore and Replate Cylinder(s)
2007-2008
Make
Part#
Engine (Displacement)
Bore
Size
Stroke
CR
Notes
Yamaha
YFZ R1 (998cc)
77.0mm
STD
53.6mm
13.0:1
Deglaze Cylinder(s)
Yamaha
YFZ R1 (1050cc)
79.0mm
+2.0mm
53.6mm
13.0:1
Bore and Replate Cylinder(s)

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CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ125 54.0mm Bore / 12.5:1 CR CP Pistons Forged Piston Kit for 2002-2012 Yamaha YZ250 66.4mm Bore / 10.6:1 CR CP Pistons Forged Piston Kit for 2003-2005 Yamaha YZ450F (Bike) 95.0mm Bore / 13.0:1 CR
CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ125 54.0mm Bore / 12.5:1 CR
List Price: $205.15
Our Price: $186.50
You save $18.65!
CP Pistons Forged Piston Kit for 2002-2012 Yamaha YZ250 66.4mm Bore / 10.6:1 CR
List Price: $225.50
Our Price: $205.00
You save $20.50!
CP Pistons Forged Piston Kit for 2003-2005 Yamaha YZ450F (Bike) 95.0mm Bore / 13.5:1 CR CP Pistons Forged Piston Kit for 2002-2006 Yamaha Raptor/Rhino 660 102.0mm Bore / 11.0:1 CR CP Pistons Forged Piston Kit for 2002-2006 Yamaha Raptor/Rhino 660 102.0mm Bore / 12.0:1 CR
CP Pistons Forged Piston Kit for 2002-2006 Yamaha Raptor/Rhino 660 102.0mm Bore / 12.5:1 CR CP Pistons Forged Piston Kit for 2001-2004 Yamaha YZ250F 77.0mm Bore / 13.5:1 CR CP Pistons Forged Piston Kit for 2003-2005 Yamaha YZ450F (Bike) 97.0mm Bore / 13.0:1 CR
CP Pistons Forged Piston Kit for 2001-2004 Yamaha YZ250F 77.0mm Bore / 13.5:1 CR
List Price: $269.50
Our Price: $239.75
You save $29.75!
CP Pistons Forged Piston Kit for 2003-2005 Yamaha YZ450F (Bike) 97.0mm Bore / 13.5:1 CR CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ250F 77.0mm Bore / 13.5:1 CR CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ250F 77.0mm Bore / 14.0:1 CR
CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ250F 77.0mm Bore / 13.5:1 CR
List Price: $269.50
Our Price: $239.75
You save $29.75!
CP Pistons Forged Piston Kit for 2005-2012 Yamaha YZ250F 77.0mm Bore / 14.0:1 CR
List Price: $269.50
Our Price: $239.75
You save $29.75!