CP Pistons for Motorcycles and Powersports

CRF150R XR400R/TRX400EX CRF250R CRF450R TRX300EX TRX450R 2007-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2043 CRF150R (149cc) 66.0mm STD 43.7mm 13.0:1 Designed for stock concave valves; *Rings not included; Deglaze Cylinder(s) Honda M2044 CRF150R (149cc) 66.0mm STD 43.7mm 13.0:1 Designed for flat valves; *Rings not included; Deglaze Cylinder(s) Honda M2056 CRF150R (158cc) 68.0mm +2.0mm 43.7mm 13.0:1 Bore and Replate Cylinder(s) 1996-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2003 XR400R/TRX400EX (397cc) 85.0mm STD 70.0mm 11.1:1 Deglaze Cylinder(s) Honda M2004 XR400R/TRX400EX (397cc) 85.0mm STD 70.0mm 12.5:1 Deglaze Cylinder(s) Honda M2005 XR400R/TRX400EX (407cc) 86.0mm +1.0mm 70.0mm 11.1:1 Bore and Hone Cylinder(s) Honda M2006 XR400R/TRX400EX (407cc) 86.0mm +1.0mm 70.0mm 12.5:1 Bore and Hone Cylinder(s) Honda M2007 XR400R/TRX400EX (416cc) 87.0mm +2.0mm 70.0mm 11.1:1 Bore and Hone Cylinder(s) Honda M2008 XR400R/TRX400EX (416cc) 87.0mm +2.0mm 70.0mm 12.5:1 Bore and Hone Cylinder(s) Honda M2033 XR400R/TRX400EX (435cc) 89.0mm +4.0mm 70.0mm 11.5:1 Bore and Hone Cylinder(s) 2004-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2042C CRF250R (249cc) 78.0mm STD 52.2mm 13.0:1 Deglaze Cylinder(s) Honda M2000C CRF250R (256cc) 78.0mm STD 52.2mm 13.5:1 Deglaze Cylinder(s) Honda M2050C CRF250R (262cc) 80.0mm +2.0mm 52.2mm 13.5:1 Requires Sleeve or Nikasil Cylinder Honda M2051C CRF250R (268cc) 81.0mm +3.0mm 52.2mm 13.5:1 Requires Sleeve or Nikasil Cylinder Honda M2100H CRF250R (249cc) 78.0mm STD 52.2mm 14.0:1 Full Race Trenched Pistons;*Rings not included; Deglaze Cylinder(s) Honda M2100C CRF250R (249cc) 78.0mm STD 52.2mm 14.5:1 Full Race Trenched Pistons; Deglaze Cylinder(s) Honda M2108H CRF250R (249cc) 78.0mm STD 52.2mm 14.5:1 Full Race Trenched Pistons with Bump Pockets (Setup for stock valves or stock type, concave valves);*Rings not included; Deglaze Cylinder(s) Honda M2108C CRF250R (249cc) 78.0mm STD 52.2mm 14.5:1 Full Race Trenched Pistons with Bump Pockets (Setup for stock valves or stock type, concave valves); Deglaze Cylinder(s) 2002-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2009 CRF450R (449cc) 96.0mm STD 62.0mm 12.5:1 Deglaze Cylinder(s) Honda M2029 CRF450R (449cc) 96.0mm STD 62.0mm 13.0:1 Deglaze Cylinder(s) Honda M2010 CRF450R (449cc) 96.0mm STD 62.0mm 13.5:1 Deglaze Cylinder(s) Honda M2011 CRF450R (458cc) 97.0mm +1.0mm 62.0mm 12.5:1 Bore and Replate Cylinder(s) Honda M2012 CRF450R (458cc) 97.0mm +1.0mm 62.0mm 13.5:1 Bore and Replate Cylinder(s) Honda M2013 CRF450R (468cc) 98.0mm +2.0mm 62.0mm 12.5:1 Bore and Replate Cylinder(s) Honda M2031 CRF450R (468cc) 98.0mm +2.0mm 62.0mm 13.0:1 Bore and Replate Cylinder(s) Honda M2014 CRF450R (468cc) 98.0mm +2.0mm 62.0mm 13.5:1 Bore and Replate Cylinder(s) Honda M2015 CRF450R (477cc) 99.0mm +3.0mm 62.0mm 12.5:1 Requires Sleeve or Nikasil Cylinder Honda M2016 CRF450R (477cc) 99.0mm +3.0mm 62.0mm 13.5:1 Requires Sleeve or Nikasil Cylinder Honda M2032 CRF450R (486cc) 100.0mm +4.0mm 62.0mm 12.5:1 Requires Sleeve or Nikasil Cylinder Honda M2052 CRF450R (486cc) 100.0mm +4.0mm 62.0mm 13.5:1 Requires Sleeve or Nikasil Cylinder Honda M2045 CRF450R (449cc) 96.0mm STD 62.0mm 14.0:1 Deglaze Cylinder(s) 1992-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2039 TRX300EX (282cc) 74.0mm STD 65.5mm 11.5:1 Deglaze Cylinder(s) Honda M2040 TRX300EX (289cc) 75.0mm +1.0mm 65.5mm 11.5:1 Bore and Hone Cylinder(s) Honda M2041 TRX300EX (297cc) 76.0mm +2.0mm 65.5mm 11.5:1 Bore and Hone Cylinder(s) 2004-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2021 TRX450R (450cc) 94.0mm STD 64.8mm 11.0:1 Deglaze Cylinder(s) Honda M2035 TRX450R (450cc) 94.0mm STD 64.8mm 12.0:1 Deglaze Cylinder(s) Honda M2017 TRX450R (450cc) 94.0mm STD 64.8mm 13.0:1 Deglaze Cylinder(s) Honda M2022 TRX450R (459cc) 95.0mm +1.0mm 64.8mm 11.0:1 Bore and Replate Cylinder(s) Honda M2018 TRX450R (459cc) 95.0mm +1.0mm 64.8mm 13.0:1 Bore and Replate Cylinder(s) Honda M2023 TRX450R (459cc) 96.0mm +2.0mm 64.8mm 11.0:1 Bore and Replate Cylinder(s) Honda M2019 TRX450R (459cc) 96.0mm +2.0mm 64.8mm 13.0:1 Bore and Replate Cylinder(s) Honda M2055 TRX450R (459cc) 97.0mm +3.0mm 64.8mm 13.0:1 Requires Sleeve or Nikasil Cylinder Honda M2024 TRX450R (489cc) 98.0mm +4.0mm 64.8mm 11.0:1 Requires Sleeve or Nikasil Cylinder Honda M2020 TRX450R (489cc) 98.0mm +4.0mm 64.8mm 13.0:1 Requires Sleeve or Nikasil Cylinder Honda M2025 TRX450R (450cc) 94.0mm STD 64.8mm 13.5:1 Full Race Piston; Deglaze Cylinder(s) 2006-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Honda M2036 TRX450R (449cc) 96.0mm STD 62.0mm 12.5:1 Deglaze Cylinder(s) Honda M2037 TRX450R (449cc) 96.0mm STD 62.0mm 13.0:1 Deglaze Cylinder(s) Honda M2053 TRX450R (449cc) 96.0mm STD 62.0mm 13.5:1 Deglaze Cylinder(s) Honda M2038 TRX450R (468cc) 98.0mm +2.0mm 62.0mm 12.5:1 Bore and Replate Cylinder(s) Honda M2054 TRX450R (486cc) 100.0mm +4.0mm 62.0mm 13.0:1 Requires Sleeve or Nikasil Cylinder Honda M2045 TRX450R (449cc) 96.0mm STD 62.0mm 14.0:1 Full Race Piston; Deglaze Cylinder(s) DS450/X 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes Can Am M9013 DS450 (450cc) 97.0mm STD 60.8mm 11.0:1 Deglaze Cylinder(s) Can Am M9014 DS450 (450cc) 97.0mm STD 60.8mm 13.0:1 Deglaze Cylinder(s) Can Am M9015 DS450 (450cc) 97.0mm STD 60.8mm 13.6:1 Deglaze Cylinder(s) Ranger/RZR 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes Polaris M9016 Ranger RZR (760cc) 80.0mm STD 75.6mm 11.0:1 Deglaze Cylinder(s) Polaris M9017 Ranger RZR (760cc) 80.0mm STD 75.6mm 12.0:1 Deglaze Cylinder(s) Polaris M9018 Ranger RZR (760cc) 80.0mm STD 75.6mm 12.5:1 Deglaze Cylinder(s) Polaris M9019 Ranger RZR (798cc) 82.0mm +2.0mm 75.6mm 11.5:1 Bore and Replate Cylinder(s) Twin Cam Sportster Shovelhead V-Rod Evolution Harley Twin Cams 1999-2006 88cid STOCK BORE: 3.750 STOCK STROKE: 4.000 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5011 3.750 4.000 1.270 9.5:1 +9.9cc RS111A-3750-0 927-2500-15CP1C 927X073SWL M5012 3.760 4.000 1.270 9.5:1 +9.3cc RS111A-3760-0 927-2500-15CP1C 927X073SWL M5013 3.780 4.000 1.270 9.5:1 +8.6cc RS111A-3780-0 927-2500-15CP1C 927X073SWL M5014 3.750 4.000 1.270 10.5:1 +18.9cc RS111A-3750-0 927-2500-15CP1C 927X073SWL M5015 3.760 4.000 1.270 10.5:1 +18.3cc RS111A-3760-0 927-2500-15CP1C 927X073SWL M5016 3.780 4.000 1.270 10.5:1 +17.8cc RS111A-3780-0 927-2500-15CP1C 927X073SWL Harley Twin Cams 1999-2006 95cid STOCK BORE: 3.875 STOCK STROKE: 4.000 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5070 3.875 4.000 1.270 9.0:1 F.T. -1.6cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5017 3.875 4.000 1.270 9.5:1 +4.6cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5018 3.880 4.000 1.270 9.5:1 +4.6cc RS111A-3880-0 927-2500-15CP1C 927X073SWL M5019 3.885 4.000 1.270 9.5:1 +4.6cc RS111A-3885-0 927-2500-15CP1C 927X073SWL M5061 3.875 4.000 1.270 10.0:1 +9.7cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5062 3.880 4.000 1.270 10.0:1 +9.4cc RS111A-3880-0 927-2500-15CP1C 927X073SWL M5063 3.885 4.000 1.270 10.0:1 +9.0cc RS111A-3885-0 927-2500-15CP1C 927X073SWL M5020 3.875 4.000 1.270 10.5:1 +14.5cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5021 3.880 4.000 1.270 10.5:1 +14.5cc RS111A-3880-0 927-2500-15CP1C 927X073SWL M5022 3.885 4.000 1.270 10.5:1 +14.5cc RS111A-3885-0 927-2500-15CP1C 927X073SWL Harley Twin Cams 1999-2006 103cid STOCK BORE: 3.875 STOCK STROKE: 4.375 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5064 3.875 4.375 1.092 9.5:1 F.T. -1.6cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5023 3.875 4.375 1.092 10.0:1 +1.4cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5024 3.880 4.375 1.092 10.0:1 +1.4cc RS111A-3880-0 927-2500-15CP1C 927X073SWL M5025 3.885 4.375 1.092 10.0:1 +1.4cc RS111A-3885-0 927-2500-15CP1C 927X073SWL Harley Twin Cams 2007+ 96cid STOCK BORE: 3.750 STOCK STROKE: 4.375 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5086 3.760 4.375 1.083 10.0:1 +8.0cc RS111A-3760-0 927-2500-15CP1C 927X073SWL Harley Twin Cams 2007+ 103cid STOCK BORE: 3.875 STOCK STROKE: 4.375 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5080 3.875 4.375 1.083 10.0:1 +5.5cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5082 3.885 4.375 1.083 10.0:1 +5.5cc RS111A-3885-0 927-2500-15CP1C 927X073SWL M5083 3.875 4.375 1.083 10.0:1 +10.5cc RS111A-3875-0 927-2500-15CP1C 927X073SWL M5085 3.885 4.375 1.083 10.5:1 +10.5cc RS111A-3885-0 927-2500-15CP1C 927X073SWL Harley Sportster XL 1988-2003 1200cc STOCK BORE: 3.498 STOCK STROKE: 3.812 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5026 3.498 3.812 1.207 9.0:1 F.T. -1.4cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5027 3.503 3.812 1.207 9.0:1 F.T. -1.4cc RS1223-3505-0 791-2500-14CP1C 787X050SWL M5028 3.508 3.812 1.207 9.0:1 F.T. -1.4cc RS1227-3510-0 791-2500-14CP1C 787X050SWL M5029 3.518 3.812 1.207 9.0:1 F.T. -1.4cc RS1227-3515-0 791-2500-14CP1C 787X050SWL M5030 3.528 3.812 1.207 9.0:1 F.T. -1.4cc RS1227-3530-0 791-2500-14CP1C 787X050SWL M5031 3.498 3.812 1.207 10.5:1 +12.6cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5032 3.503 3.812 1.207 10.5:1 +12.6cc RS1227-3505-0 791-2500-14CP1C 787X050SWL M5033 3.508 3.812 1.207 10.5:1 +12.6cc RS1227-3510-0 791-2500-14CP1C 787X050SWL M5034 3.518 3.812 1.207 10.5:1 +12.6cc RS1227-3515-0 791-2500-14CP1C 787X050SWL M5035 3.528 3.812 1.207 10.5:1 +12.6cc RS1227-3530-0 791-2500-14CP1C 787X050SWL Harley Sportster Conversion 1988-2003 883cc-1200cc STOCK BORE: 3.498 STOCK STROKE: 3.812 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5036 3.498 3.812 1.207 10.0:1 -9.4cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5037 3.505 3.812 1.207 10.0:1 -9.4cc RS1227-3505-0 791-2500-14CP1C 787X050SWL M5038 3.510 3.812 1.207 10.0:1 -9.0cc RS1227-3510-0 791-2500-14CP1C 787X050SWL Harley Shovelhead 1966-1984 74 cid STOCK BORE: 3.437 STOCK STROKE: 3.968 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5039 3.437 3.968 1.440 8.5:1 +44.8cc RS1223-3437-0 791-2500-14CP1C 787X050SWL M5040 3.457 3.968 1.440 8.5:1 +43.6cc RS1223-3457-0 791-2500-14CP1C 787X050SWL M5041 3.467 3.968 1.440 8.5:1 +42.8cc RS1223-3467-0 791-2500-14CP1C 787X050SWL Harley Shovelhead 1966-1984 80cid STOCK BORE: 3.437 STOCK STROKE: 4.250 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5042 3.498 4.250 1.300 8.5:1 +38.0cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5043 3.503 4.250 1.300 8.5:1 +38.0cc RS1227-3505-0 791-2500-14CP1C 787X050SWL M5044 3.508 4.250 1.300 8.5:1 +38.0cc RS1227-3510-0 791-2500-14CP1C 787X050SWL M5045 3.518 4.250 1.300 8.5:1 +38.0cc RS1227-3515-0 791-2500-14CP1C 787X050SWL M5046 3.528 4.250 1.300 8.5:1 +38.0cc RS1227-3525-0 791-2500-14CP1C 787X050SWL M5047 3.498 4.250 1.300 9.5:1 +48.5cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5048 3.503 4.250 1.300 9.5:1 +48.5cc RS1227-3505-0 791-2500-14CP1C 787X050SWL M5049 3.508 4.250 1.300 9.5:1 +48.5cc RS1227-3510-0 791-2500-14CP1C 787X050SWL M5050 3.518 4.250 1.300 9.5:1 +48.5cc RS1227-3515-0 791-2500-14CP1C 787X050SWL M5051 3.528 4.250 1.300 9.5:1 +48.5cc RS1227-3525-0 791-2500-14CP1C 787X050SWL Harley Shovelhead 1966-1984 86cid STOCK BORE: 3.437 STOCK STROKE: 4.500 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5052 3.498 4.500 1.175 9.5:1 +44.0cc RS1227-3498-0 791-2500-14CP1C 787X050SWL M5053 3.503 4.500 1.175 9.5:1 +44.0cc RS1227-3505-0 791-2500-14CP1C 787X050SWL M5054 3.508 4.500 1.175 9.5:1 +44.0cc RS1227-3510-0 791-2500-14CP1C 787X050SWL M5055 3.518 4.500 1.175 9.5:1 +44.0cc RS1227-3515-0 791-2500-14CP1C 787X050SWL Harley V-Rod 2001+ 1130cc STOCK BORE: 3.937 STOCK STROKE: 2.835 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5056 3.937 2.835 1.195 8.5:1 -30.5cc CPN2-3937 866-2250-15CP1C 886X063SWL M5074 3.937 2.835 1.195 9.5:1 -22.0cc CPN2-3937 866-2250-15CP1C 886X063SWL M5057 3.937 2.835 1.195 12.0:1 -6.9cc RS1618XHH-3937-0 866-2250-15CP1C 886X063SWL M5058 3.937 2.835 1.195 14.0:1 +1.0cc CPN2-3937 866-2250-15CP1C 886X063SWL Harley V-Rod 2001+ 1318cc STOCK BORE: 4.250 STOCK STROKE: 2.835 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5059 4.250 2.835 1.195 12.0:1 -9.1cc RS1000-4250-5 866-2250-15CP1C 886X063SWL M5060 4.250 2.835 1.195 14.0:1 -4.1cc RS1000-4250-5 866-2250-15CP1C 886X063SWL Harley V-Rod Stroker Crank 2001+ 1178cc STOCK BORE: 3.937 DESTROYER STROKE: 2.953 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5075 3.937 2.953 1.145 12.0:1 -14.0cc CPN2-3937 866-2250-15CP1C 886X063SWL Harley V-Rod Stroker Crank 2001+ 1300cc DESTROYER BORE: 4.134 DESTROYER STROKE: 2.953 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5077 4.134 2.953 1.145 12.0:1 -17.8cc RS1018-4130-0 866-2250-15CP1C 886X063SWL Harley V-Rod Stroker Crank 2001+ 1357cc DESTROYER BORE: 4.134 STROKE: 3.085 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5078 4.134 3.085 1.080 12.0:1 -20.4cc RS1018-4130-0 866-2250-15CP1C 886X063SWL Harley V-Rod Stroker Crank 2001+ 1434cc BORE: 4.250 STROKE: 3.085 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5079 4.250 3.085 1.080 12.0:1 -23.6cc RS1000-4250-5 866-2250-15CP1C 886X063SWL Harley Evolution 1986-Present 1340cc STOCK BORE: 3.498 STOCK STROKE: 4.250 Part# Bore Stroke Compression Height Compression Ratio Dome CC's Rings Pins Locks M5000 3.498 4.250 1.375 9.75:1 +12.1cc RS1227-3498-0 792-2500-14CP1C 787X050SWL M5001 3.500 4.250 1.375 9.75:1 +12.1cc RS1227-3500-0 792-2500-14CP1C 787X050SWL M5002 3.503 4.250 1.375 9.75:1 +12.1cc RS1227-3505-0 792-2500-14CP1C 787X050SWL M5003 3.505 4.250 1.375 9.75:1 +12.1cc RS1227-3505-0 792-2500-14CP1C 787X050SWL M5004 3.508 4.250 1.375 9.75:1 +12.1cc RS1227-3510-0 792-2500-14CP1C 787X050SWL M5005 3.510 4.250 1.375 9.75:1 +12.1cc RS1227-3510-0 792-2500-14CP1C 787X050SWL M5006 3.518 4.250 1.375 9.75:1 +12.1cc RS1227-3515-0 792-2500-14CP1C 787X050SWL M5007 3.498 4.250 1.375 10.5:1 +16.6cc RS1227-3498-0 792-2500-14CP1C 787X050SWL M5008 3.503 4.250 1.375 10.5:1 +16.6cc RS1227-3505-0 792-2500-14CP1C 787X050SWL M5009 3.508 4.250 1.375 10.5:1 +16.6cc RS1227-3510-0 792-2500-14CP1C 787X050SWL M5010 3.518 4.250 1.375 10.5:1 +16.6cc RS1227-3515-0 792-2500-14CP1C 787X050SWL 250SX-F 450 XC-G 450 SX-F 450 XC 525 XC 2006-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes KTM M9003C 250 SX-F (250cc) 76.0mm STD 55.0mm 13.5:1 Deglaze Cylinder(s) 2006 Make Part# Engine (Displacement) Bore Size Stroke CR Notes KTM M9004 450 XC-G (450cc) 95.0mm STD 63.4mm 12.5:1 Deglaze Cylinder(s) KTM M9005 450 XC-G (450cc) 95.0mm STD 63.4mm 13.5:1 Deglaze Cylinder(s) 2007-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes KTM M9006 450 SX-F (450cc) 97.0mm STD 60.8mm 13.0:1 Deglaze Cylinder(s) KTM M9007 450 SX-F (450cc) 97.0mm STD 60.8mm 13.5:1 Deglaze Cylinder(s) 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes KTM M9008 450 XC (450cc) 89.0mm STD 72.0mm 12.0:1 Deglaze Cylinder(s) KTM M9009 450 XC (450cc) 89.0mm STD 72.0mm 13.0:1 Deglaze Cylinder(s) KTM M9010 450 XC (450cc) 89.0mm STD 72.0mm 13.5:1 Full Race Pistons; Deglaze Cylinder(s) 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes KTM M9011 525 XC (525cc) 95.0mm STD 72.0mm 12.0:1 Deglaze Cylinder(s) KTM M9012 525 XC (525cc) 95.0mm STD 72.0mm 13.0:1 Deglaze Cylinder(s) YZ250F YZ450F YFZ450F YFM 660 Raptor/Rhino Raptor 700R/Rhino 700FI YFZ R1 2001-2004 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Yamaha M1028C YZ250F (250cc) 77.0mm STD 53.6mm 13.0:1 Deglaze Cylinder(s) Yamaha M1029C YZ250F (250cc) 77.0mm STD 53.6mm 13.5:1 Deglaze Cylinder(s) Yamaha M1033C 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 M1032C YZ250F (250cc) 77.0mm STD 53.6mm 12.8:1 Deglaze Cylinder(s) Yamaha M1034C YZ250F (250cc) 77.0mm STD 53.6mm 13.5:1 Deglaze Cylinder(s) Yamaha M1035C YZ250F (250cc) 77.0mm STD 53.6mm 14.0:1 Deglaze Cylinder(s) Yamaha M1036C YZ250F (263cc) 79.0mm +2.0mm 53.6mm 12.5:1 Bore and Replate Cylinder(s) Yamaha M1050 YZ250F (269cc) 80.0mm +3.0mm 53.6mm 12.5:1 Requires Sleeve or Nikasil Cylinder Yamaha M1135Y YZ250F (250cc) 77.0mm STD 53.6mm 14.25:1 Full Race Piston, *No rings supplied; Deglaze Cylinder(s) Yamaha M1135C 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 M1010 YZ450F (449cc) 95.0mm STD 63.4mm 13.0:1 Deglaze Cylinder(s) Yamaha M1011 YZ450F (449cc) 95.0mm STD 63.4mm 13.5:1 Deglaze Cylinder(s) Yamaha M1030 YZ450F (468cc) 97.0mm +2.0mm 63.4mm 13.0:1 Bore and Replate Cylinder(s) Yamaha M1031 YZ450F (468cc) 97.0mm +2.0mm 63.4mm 13.5:1 Bore and Replate Cylinder(s) Yamaha M1051 YZ450F (478cc) 98.0mm +3.0mm 63.4mm 13.5:1 Requires Sleeve or Nikasil Cylinder Yamaha M1043 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 M1000 YFZ450F (439cc) 95.0mm STD 62.0mm 12.5:1 Deglaze Cylinder(s) Yamaha M1001 YFZ450F (439cc) 95.0mm STD 62.0mm 13.0:1 Deglaze Cylinder(s) Yamaha M1002 YFZ450F (439cc) 95.0mm STD 62.0mm 13.5:1 Deglaze Cylinder(s) Yamaha M1004 YFZ450F (449cc) 96.0mm +1.0mm 62.0mm 13.0:1 Bore and Replate Cylinder(s) Yamaha M1005 YFZ450F (449cc) 96.0mm +1.0mm 62.0mm 13.5:1 Bore and Replate Cylinder(s) Yamaha M1006 YFZ450F (458cc) 97.0mm +2.0mm 62.0mm 12.5:1 Bore and Replate Cylinder(s) Yamaha M1007 YFZ450F (458cc) 97.0mm +2.0mm 62.0mm 13.0:1 Bore and Replate Cylinder(s) Yamaha M1008 YFZ450F (458cc) 97.0mm +2.0mm 62.0mm 13.5:1 Bore and Replate Cylinder(s) Yamaha M1009 YFZ450F (468cc) 98.0mm +3.0mm 62.0mm 12.5:1 Bore and Replate Cylinder(s) Yamaha M1026 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 M1000 YFZ450F (449cc) 95.0mm STD 63.4mm 12.75:1 Deglaze Cylinder(s) Yamaha M1001 YFZ450F (449cc) 95.0mm STD 63.4mm 13.25:1 Deglaze Cylinder(s) Yamaha M1002 YFZ450F (449cc) 95.0mm STD 63.4mm 13.75:1 Deglaze Cylinder(s) Yamaha M1004 YFZ450F (459cc) 96.0mm +1.0mm 63.4mm 13.251 Bore and Replate Cylinder(s) Yamaha M1005 YFZ450F (459cc) 96.0mm +1.0mm 63.4mm 13.75:1 Bore and Replate Cylinder(s) Yamaha M1006 YFZ450F (468cc) 97.0mm +2.0mm 63.4mm 12.75:1 Bore and Replate Cylinder(s) Yamaha M1007 YFZ450F (468cc) 97.0mm +2.0mm 63.4mm 13.25:1 Bore and Replate Cylinder(s) Yamaha M1008 YFZ450F (468cc) 97.0mm +2.0mm 63.4mm 13.75:1 Bore and Replate Cylinder(s) Yamaha M1009 YFZ450F (478cc) 98.0mm +3.0mm 63.4mm 12.75:1 Bore and Replate Cylinder(s) Yamaha M1026 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 M1015A YFM660 Rhino/Raptor (660cc) 100.0mm STD 84.0mm 11.0:1 Deglaze Cylinder(s) Yamaha M1016A YFM660 Rhino/Raptor (686cc) 102.0mm +2.0mm 84.0mm 11.0:1 Bore and Replate Cylinder(s) Yamaha M1017A YFM660 Rhino/Raptor (686cc) 102.0mm +2.0mm 84.0mm 12.0:1 Bore and Replate Cylinder(s) Yamaha M1018A YFM660 Rhino/Raptor (686cc) 102.0mm +2.0mm 84.0mm 12.5:1 Bore and Replate Cylinder(s) Yamaha M1019A 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 M1039 Raptor 700R / Rhino 700FI (686cc) 102.0mm STD 84.0mm 11.0:1 Deglaze Cylinder(s) Yamaha M1040 Raptor 700R / Rhino 700FI (686cc) 102.0mm STD 84.0mm 12.0:1 Deglaze Cylinder(s) Yamaha M1041 Raptor 700R / Rhino 700FI (727cc) 105.0mm +3.0mm 84.0mm 10.75:1 Bore and Replate Cylinder(s) Yamaha M1042 Raptor 700R / Rhino 700FI (727cc) 105.0mm +3.0mm 84.0mm 12.0:1 Bore and Replate Cylinder(s) Yamaha M1053 Raptor 700R / Rhino 700FI (727cc) 105.0mm +3.0mm 84.0mm 13.0:1 Bore and Replate Cylinder(s) Yamaha M1054 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 M1023 YFZ R1 (998cc) 77.0mm STD 53.6mm 13.0:1 Deglaze Cylinder(s) Yamaha M1025 YFZ R1 (1025cc) 78.0mm +1.0mm 53.6mm 13.0:1 Bore and Replate Cylinder(s) Yamaha M1024 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 M1055 YFZ R1 (998cc) 77.0mm STD 53.6mm 13.0:1 Deglaze Cylinder(s) Yamaha M1056 YFZ R1 (1050cc) 79.0mm +2.0mm 53.6mm 13.0:1 Bore and Replate Cylinder(s) KX250F KLX400F KX450F KFX400F KFX450 KFX 700/Prarie 700 ZX12R Ninja ZX14 2005-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M3023C KX250F (250cc) 77.0mm STD 53.6mm 13.5:1 Deglaze Cylinder(s) Kawasaki M3000C KX250F (250cc) 77.0mm STD 53.6mm 14.2:1 Deglaze Cylinder(s) Kawasaki M3001C KX250F (263cc) 79.0mm +2.0mm 53.6mm 12.5:1 Bore and Replate Cylinder(s) Kawasaki M3002C KX250F (263cc) 79.0mm +2.0mm 53.6mm 13.5:1 Bore and Replate Cylinder(s) Kawasaki M3024C KX250F (269cc) 80.0mm +3.0mm 53.6mm 13.5:1 Requires Sleeve or Nikasil Cylinder Kawasaki M3007C KX250F (276cc) 81.0mm +4.0mm 53.6mm 12.5:1 Requires Sleeve or Nikasil Cylinder 2003-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M4028 KLX400F (398cc) 90.0mm STD 62.4mm 12.5:1 Deglaze Cylinder(s) Kawasaki M3003 KLX400F (434cc) 94.0mm +4.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) Kawasaki M3004 KLX400F (450cc) 95.0mm +5.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) 2004-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M3009 KX450F (450cc) 96.0mm STD 62.1mm 13.0:1 Deglaze Cylinder(s) Kawasaki M3010 KX450F (450cc) 96.0mm STD 62.1mm 13.5:1 Deglaze Cylinder(s) Kawasaki M3011 KX450F (468cc) 98.0mm +2.0mm 62.1mm 13.5:1 Bore and Replate Cylinder(s) 2003-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M4028 KFX400F (398cc) 90.0mm STD 62.4mm 12.5:1 Deglaze Cylinder(s) Kawasaki M3003 KFX400F (434cc) 94.0mm +4.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) Kawasaki M3004 KFX400F (450cc) 95.0mm +5.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) 2007-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M4027 KFX450F (450cc) 96.0mm STD 62.1mm 13.0:1 Deglaze Cylinder(s) Kawasaki M4026 KFX450F (450cc) 96.0mm STD 62.1mm 13.5:1 Deglaze Cylinder(s) Kawasaki M4029 KFX450F (468cc) 98.0mm +2.0mm 62.1mm 13.0:1 Bore and Replate Cylinder(s) Kawasaki M4025 KFX450F (450cc) 96.0mm STD 62.1mm 13.8:1 Full race piston; Deglaze Cylinder(s) 2003-2006 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M3012 KFX/Prarie 700 (697cc) 82.0mm STD 66.0mm 11.0:1 Deglaze Cylinder(s) Kawasaki M3022 KFX/Prarie 700 (714cc) 83.0mm +1.0mm 66.0mm 12.0:1 Bore and Hone Cylinder(s) Kawasaki M3013 KFX/Prarie 700 (749cc) 85.0mm +3.0mm 66.0mm 12.5:1 Bore and Hone Cylinder(s) 2000-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M3014 ZX12R (1200cc) 83.0mm STD 55.4mm 13.5:1 Deglaze Cylinder(s) Kawasaki M3015 ZX12R (1200cc) 85.0mm +2.0mm 55.4mm 12.5:1 Bore and Replate Cylinder(s) 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes Kawasaki M3035 Ninja ZX14 (1352cc) 84.0mm STD 55.4mm 9.5:1 Turbo; Deglaze Cylinder(s) Kawasaki M3036 Ninja ZX14 (1352cc) 84.0mm STD 55.4mm 13.5:1 Deglaze Cylinder(s) Kawasaki M3037 Ninja ZX14 (1418cc) 86.0mm +2.0mm 55.4mm 13.25:1 Bore and Replate Cylinder(s) Kawasaki M3038 Ninja ZX14 (1450cc) 87.0mm +3.0mm 55.4mm 14.0:1 Bore and Replate Cylinder(s) RMZ 250 DRZ 400 RMZ 450 LTZ 400 LTR 450 700 King Quad GSXR 1000 GSXR 1300R Hayabusa GSXR 1340R Hayabusa 2004-2006 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M3000C RMZ250 (250cc) 77.0mm STD 53.6mm 14.0:1 Deglaze Cylinder(s) Suzuki M3001C RMZ250 (263cc) 79.0mm +2.0mm 53.6mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M3002C RMZ250 (263cc) 79.0mm +2.0mm 53.6mm 13.5:1 Bore and Replate Cylinder(s) Suzuki M3007C RMZ250 (276cc) 81.0mm +4.0mm 53.6mm 12.5:1 Bore and Replate Cylinder(s) 2007-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M3017C RMZ250 (249cc) 77.0mm STD 53.6mm 13.5:1 Deglaze Cylinder(s) Suzuki M3016C RMZ250 (249cc) 77.0mm STD 53.6mm 14.2:1 Deglaze Cylinder(s) Suzuki M3002C RMZ250 (263cc) 79.0mm +2.0mm 53.6mm 13.5:1 Bore and Replate Cylinder(s) 2003-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4028 DRZ400 (398cc) 90.0mm STD 62.4mm 12.5:1 Deglaze Cylinder(s) Suzuki M3003 DRZ400 (434cc) 94.0mm +4.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M3004 DRZ400 (450cc) 95.0mm +5.0mm 62.4mm 12.5:1 Bore and Replate Cylinder(s) 2005-2007 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M3006A RMZ450 (449cc) 95.5mm STD 62.8mm 13.0:1 Deglaze Cylinder(s) Suzuki M4009A RMZ450 (449cc) 95.5mm STD 62.8mm 13.5:1 Deglaze Cylinder(s) Suzuki M3005 RMZ450 (473cc) 98.0mm +2.5mm 62.8mm 12.5:1 Bore and Replate Cylinder(s) 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M3020 RMZ450 (449cc) 96.0mm STD 62.1mm 13.0:1 Deglaze Cylinder(s) Suzuki M3021 RMZ450 (449cc) 96.0mm STD 62.1mm 13.5:1 Deglaze Cylinder(s) 2003-2005 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4028 LTZ400 (398cc) 90.0mm STD 62.4mm 12.5:1 Deglaze Cylinder(s) Suzuki M3003 LTZ400 (434cc) 94.0mm +4.0mm 62.4mm 12.5:1 Deglaze Cylinder(s) Suzuki M3004 LTZ400 (450cc) 95.0mm +5.0mm 62.4mm 12.5:1 Deglaze Cylinder(s) 2006-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4010A LTR450 (449cc) 95.5mm STD 62.8mm 13.0:1 Deglaze Cylinder(s) Suzuki M4011A LTR450 (449cc) 95.5mm STD 62.8mm 13.5:1 Deglaze Cylinder(s) Suzuki M4012 LTR450 (473cc) 98.0mm +2.5mm 62.8mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M4015A LTR450 (449cc) 95.5mm STD 62.8mm 13.75:1 Full Race Piston; Deglaze Cylinder(s) 2005-2007 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4013 King Quad 700 (700cc) 102.0mm STD 85.0mm 11.5:1 Deglaze Cylinder(s) Suzuki M4014 King Quad 700 (750cc) 106.0mm +4.0mm 85.0mm 11.5:1 Bore and Replate Cylinder(s) Suzuki M4022 King Quad 700 (750cc) 106.0mm +4.0mm 85.0mm 12.5:1 Bore and Replate Cylinder(s) 2001-2004 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4000 GSXR 1000 (1043cc) 75.0mm +2.0mm 59.0mm 13.5:1 Bore and Replate Cylinder(s) Suzuki M4001 GSXR 1000 (1078cc) 76.0mm +3.0mm 59.0mm 13.5:1 Bore and Replate Cylinder(s) 2005-2008 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4018 GSXR 1000 (1043cc) 75.0mm +1.6mm 59.0mm 13.5:1 Bore and Replate Cylinder(s) Suzuki M4019 GSXR 1000 (1078cc) 76.0mm +2.6mm 59.0mm 13.5:1 Bore and Replate Cylinder(s) 1999-2007 Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4008 GSXR1300R Hayabusa (1300cc) 81.0mm STD 63.0mm 9.5:1 Turbo; Deglaze Cylinder(s) Suzuki M4034 GSXR1300R Hayabusa (1300cc) 81.0mm STD 63.0mm 12.5:1 Deglaze Cylinder(s) Suzuki M4002 GSXR1300R Hayabusa (1363cc) 83.0mm +2.0mm 63.0mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M4003 GSXR1300R Hayabusa (1363cc) 83.0mm +2.0mm 63.0mm 14.0:1 w/ Gas ports; Bore and Replate Cylinder(s) Suzuki M4004 GSXR1300R Hayabusa (1396cc) 84.0mm +3.0mm 63.0mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M4005 GSXR1300R Hayabusa (1396cc) 84.0mm +3.0mm 63.0mm 14.0:1 w/ Gas ports; Bore and Replate Cylinder(s) Suzuki M4006 GSXR1300R Hayabusa (1429cc) 85.0mm +4.0mm 63.0mm 12.5:1 Bore and Replate Cylinder(s) Suzuki M4007 GSXR1300R Hayabusa (1429cc) 85.0mm +4.0mm 63.0mm 14.0:1 w/ Gas ports; Bore and Replate Cylinder(s) 2008+ Make Part# Engine (Displacement) Bore Size Stroke CR Notes Suzuki M4030 GSXR1340R Hayabusa (1340cc) 81.0mm STD 65.0mm 9.5:1 Turbo; Deglaze Cylinder(s) Suzuki M4031 GSXR1340R Hayabusa (1340cc) 81.0mm STD 65.0mm 13.5:1 Deglaze Cylinder(s) Suzuki M4032 GSXR1340R Hayabusa (1440cc) 84.0mm +3.0mm 65.0mm 13.25:1 Bore and Replate Cylinder(s) Suzuki M4033 GSXR1340R Hayabusa (1475cc) 85.0mm +4.0mm 65.0mm 14.0:1 Bore and Replate Cylinder(s) Can Am Honda Harley Davidson Kawasaki KTM Polaris Suzuki Yamaha