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2002-2008 Honda CRF450R 13.5:1 96mm std bore x 62.1mm stroke platinum series1mm smaller pin/ 3mm longer rod (449cc) piston kit
- Bore: 96mm
- Comp Ratio: 13.5:1
- Piston #: MX2P10
- CPK #: CPKX2P10
- Rod #: Call
- Pin #: S708-2000-15C
- Locks #: 708x050 SWL
- Rings #: CPN2-2-3779
- Gasket Only #: C3047-EST
2003-2005 Kawasaki KLX 400 12.5:1 90mm std bore x 62.6mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.5:1
- Piston #: M4028
- CPK #: CPK4028
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7978
2003-2005 Kawasaki KLX 400 12.5:1 95mm +5mm oversize bore x 62.6mm stroke (450cc) piston kit
- Bore: 95mm
- Comp Ratio: 12.5:1
- Piston #: M3004
- CPK #: CPK3004
- Rod #: 5485
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3740
- Gasket Only #: C7980
2003-2005 Kawasaki KLX 400 12.5:1 94mm +4mm oversize bore x 62.6mm stroke (434cc) piston kit
- Bore: 94mm
- Comp Ratio: 12.5:1
- Piston #: M3003
- CPK #: CPK3003
- Rod #: 5485
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7806
2003-2006 Kawasaki KFX400 12.5:1 90mm std bore x 62.2mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.5:1
- Piston #: M4028
- CPK #: CPK4128
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7688
2003-2006 Kawasaki KFX400 12.5:1 94mm +4mm oversize bore x 62.2mm stroke (434cc) piston kit
- Bore: 94mm
- Comp Ratio: 12.5:1
- Piston #: M3003
- CPK #: CPK3103
- Rod #: 5485
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7979
2003-2006 Kawasaki KXF700 12.0:1 83mm +1mm oversize bore x 66mm stroke (714cc) piston kit
- Bore: 83mm
- Comp Ratio: 12.0:1
- Piston #: M3022
- CPK #: CPK3022
- Rod #: N/A
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN-3268
- Gasket Only #: C7982
2003--2009 YZ450F 13.5:1 95mm bore x 63.4mm stroke platinum series std. pin dia/ 2.5mm longer rod (449cc) piston kit
- Bore: 95mm
- Comp Ratio: 13.5:1
- Piston #: MX1P43
- CPK #: CPKX1P43
- Rod #: 6053
- Pin #: S708-2000-15C
- Locks #: 708x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: c
2003-2009 YZ450F 13.0:1 95mm std bore 63.4mm stroke (449cc), piston kit
- Bore: 95mm
- Comp Ratio: 13.0:1
- Piston #: M1010
- CPK #: CPK1010
- Rod #: 9271
- Pin #: W708-2000-15CP1C
- Locks #: 708x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: 2003-2004 C7947; 2006-2009 C7908
2003-2009 YZ450F 13.5:1 95mm std bore x 63.4mm stroke (449cc) piston kit
- Bore: 95mm
- Comp Ratio: 13.5:1
- Piston #: M1011
- CPK #: CPK1111
- Rod #: 9271
- Pin #: W708-2000-15CP1C
- Locks #: 708x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: 2003-2004 C7947; 2006-2009 C7908
2003-2009 YZ450F 13.5:1 97mm +2mm oversize bore x 63.4mm stroke (468cc) piston kit
- Bore: 97mm
- Comp Ratio: 13.5:1
- Piston #: M1031
- CPK #: CPK1031
- Rod #: 9271
- Pin #: 708-2000-15CP1C
- Locks #: 708x050 SWL
- Rings #: CPN2-3819
- Gasket Only #: Call
2003-2009 YZ450F 13.75:1 95mm std bore x 63.4mm stroke (449cc) piston kit
- Bore: 95mm
- Comp Ratio: 13.75:1
- Piston #: MX1043
- CPK #: CPKX1143
- Rod #: 9271
- Pin #: S708-2000-15C
- Locks #: 708x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: Call
2003-2009 YZ450F 13.5:1 98mm +3mm oversize bore x 63.4mm stroke (478cc) piston kit
- Bore: 98mm
- Comp Ratio: 13.5:1
- Piston #: M1051
- CPK #: CPK1051
- Rod #: 9271
- Pin #: W708-2000-15CP1C
- Locks #: 708x050 SWL
- Rings #: CPN2-3858
- Gasket Only #: Call
2003-2013 Suzuki LTZ 400 12.0:1 90mm std bore x 62.6mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.0:1
- Piston #: M4023
- CPK #: CPK4123
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7688
2003-2013 Suzuki LTZ 400 12.5:1 90mm std bore x 62.6mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.5:1
- Piston #: M4028
- CPK #: CPK4128
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7688
2003-2013 Suzuki LTZ 400 12.5:1 94mm +4mm oversize x 62.6mm stroke (434cc) piston kit
- Bore: 94mm
- Comp Ratio: 12.5:1
- Piston #: M3003
- CPK #: CPK3103
- Rod #: 5485
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7979
2003-2016 Suzuki DRZ 400 12.0:1 90mm std bore x 62.6mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.0:1
- Piston #: M4023
- CPK #: CPK4023
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7978
2003-2016 Suzuki DRZ 400 12.5:1 90mm std bore x 62.6mm stroke (398cc) piston kit
- Bore: 90mm
- Comp Ratio: 12.5:1
- Piston #: M4028
- CPK #: CPK4028
- Rod #: 5485
- Pin #: 787-1875-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3543
- Gasket Only #: C7978
2003-2016 Suzuki DRZ 400 12.5:1 94mm +4mm oversize x 62.6mm stroke (434cc) piston kit
- Bore: 94mm
- Comp Ratio: 12.5:1
- Piston #: M3003
- CPK #: CPK3003
- Rod #: 5485
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7806
2004-2005 Honda TRX450R 13.0:1 97mm +3 oversize bore x 64.8mm stroke (479cc) piston kit
- Bore: 97mm
- Comp Ratio: 13.0:1
- Piston #: M2055
- CPK #: CPK2055
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3819
- Gasket Only #: C7201
2004-2005 Honda TRX450R 13.0:1 94mm std bore x 64.8mm stroke (449cc) piston kit
- Bore: 94mm
- Comp Ratio: 13.0:1
- Piston #: M2017
- CPK #: CPK2017
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7877
2004-2005 Honda TRX450R 13.0:1 95mm +1mm oversize bore x 64.8mm stroke (459cc) piston kit
- Bore: 95mm
- Comp Ratio: 13.0:1
- Piston #: M2018
- CPK #: CPK2018
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3740
- Gasket Only #: C7199
2004-2005 Honda TRX450R 11.0:1 94mm std bore x 64.8mm stroke (449cc) piston kit
- Bore: 94mm
- Comp Ratio: 11.0:1
- Piston #: M2021
- CPK #: CPK2021
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7877
2004-2005 Honda TRX450R 11.0:1 95mm +1mm oversize bore x 64.8mm stroke (459cc) piston kit
- Bore: 95mm
- Comp Ratio: 11.0:1
- Piston #: M2022
- CPK #: CPK2022
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3740
- Gasket Only #: C7199
2004-2005 Honda TRX450R 13.5:1 94mm std bore x 64.8mm stroke (449cc) piston kit
- Bore: 94mm
- Comp Ratio: 13.5:1
- Piston #: M2025
- CPK #: CPK2025
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7877
2004-2005 Honda TRX450R 12.0:1 94mm std bore x 64.8mm stroke (449cc) piston kit
- Bore: 94mm
- Comp Ratio: 12.0:1
- Piston #: M2035
- CPK #: CPK2035
- Rod #: 8818
- Pin #: W827-2000-15CP1C
- Locks #: 827x063 SWL
- Rings #: CPN2-3701
- Gasket Only #: C7877
2004-2006 Suzuki RMZ 250 13.5:1 77mm std bore x 53.6mm stroke (249cc) piston kit
- Bore: 77mm
- Comp Ratio: 13.5:1
- Piston #: MX3023C
- CPK #: CPKX4117C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2004-2006 Suzuki RMZ 250 14.0:1 77mm std bore x 53.6mm stroke (249cc) piston kit
- Bore: 77mm
- Comp Ratio: 14.0:1
- Piston #: MX3000C
- CPK #: CPKX4020C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2004-2006 Suzuki RMZ 250 13.5:1 79mm +2mm oversize bore x 53.6mm stroke (263cc) piston kit
- Bore: 79mm
- Comp Ratio: 13.5:1
- Piston #: MX3002C
- CPK #: CPKX3002C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2004-2006 Suzuki RMZ 250 13.5:1 80mm +3mm oversize bore x 53.6mm stroke (269cc) piston kit
- Bore: 80mm
- Comp Ratio: 13.5:1
- Piston #: M3024C
- CPK #: CPK3024C
- Rod #: 8801
- Pin #: W630-1650-13CP1C
- Locks #: 630x050 SWL
- Rings #: CP8000C
- Gasket Only #: C7221
2004-2006 Suzuki RMZ 250 13.5:1 77mm std bore x 53.6mm stroke (249cc) piston kit
- Bore: 77mm
- Comp Ratio: 13.5:1
- Piston #: M3023C
- CPK #: CPK4117C
- Rod #: 8801
- Pin #: W630-1650-13CP1C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3267-HB
2004-2006 Suzuki RMZ 250 12.5:1 81mm +4mm oversize bore x 53.6mm stroke (276cc) piston kit
- Bore: 81mm
- Comp Ratio: 12.5:1
- Piston #: MX3007C
- CPK #: CPKX3007C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP8100C
- Gasket Only #: C7221
2004-2006 Yamaha R1 13:1 77mm std bore x 53.6mm stroke (998cc) piston kit
- Bore: 77mm
- Comp Ratio: 13.0:1
- Piston #: MX1023C
- CPK #: CPKX1023C
- Rod #: 5021
- Pin #: W669-1650-12CP1C
- Locks #: 669X050 SWL
- Rings #: CPXG-7700C
- Gasket Only #: C8686
2004-2006 Yamaha R1 13:1 79mm +2mm oversize bore x 53.6mm stroke (1050cc) piston kit
- Bore: 79mm
- Comp Ratio: 13.0:1
- Piston #: MX1024C
- CPK #: Call
- Rod #: 5021
- Pin #: W669-1650-12CP1C
- Locks #: 669X050 SWL
- Rings #: CPXG-7900C
- Gasket Only #: CALL
2004-2007 KTM 450XC-G 12.5:1 95mm std bore x 63mm stock stroke (447.92cc) piston kit
- Bore: 95mm
- Comp Ratio: 12.5:1
- Piston #: MX9004
- CPK #: CPKX9004
- Rod #: 5418
- Pin #: WPD787-2000-15C
- Locks #: 787x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: C7944
2004-2007 KTM 450XC-G 13.5:1 95mm std bore x 63mm stock stroke (447.92cc) piston kit
- Bore: 95mm
- Comp Ratio: 13.5:1
- Piston #: M9005
- CPK #: CPK9005
- Rod #: 5418
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: C7944
2004-2008 Honda CRF250R 14.5:1 78mm Std Bore x 52.2mm stroke platinum series 1mm Smaller Pin/ 2mm Longer Rod (249cc) piston kit
- Bore: 86mm
- Comp Ratio: 16.1:1
- Piston #: M4135 * & ***
- CPK #: Call
- Rod #: 7291
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN-3308
- Gasket Only #: Call
2004-2008 Kawasaki KX 450F 13.5:1 96mm std bore x 62.1mm stroke, (449cc) piston kit
- Bore: 96mm
- Comp Ratio: 13.5:1
- Piston #: MX3010
- CPK #: CPKX3010
- Rod #: 5402
- Pin #: S748-2000-15C
- Locks #: 748x050 SWL
- Rings #: CPN2-2-3779
- Gasket Only #: C3136
2004-2008 Kawasaki KX 450F 13.0:1 96mm std bore x 62.1mm stroke (449cc) piston kit
- Bore: 96mm
- Comp Ratio: 13.0:1
- Piston #: MX3009
- CPK #: CPKX3009
- Rod #: 5402
- Pin #: S748-2000-15C
- Locks #: 748x050 SWL
- Rings #: CPN2-2-3779
- Gasket Only #: C3136
2004-2008 Kawasaki KX 450F 13.0:1 96mm std bore x 62.1mm stroke (449cc) piston kit
- Bore: 96mm
- Comp Ratio: 13.0:1
- Piston #: M3009
- CPK #: CPK3009
- Rod #: 5402
- Pin #: W748-2000-15CP1C
- Locks #: 748x050 SWL
- Rings #: CPN2-2-3779
- Gasket Only #: C3136
2016 Husqvarna FC 450 14.0:1 95mm std bore x 63.4mm stroke profiled pin bore (449.9cc) pro race piston kit
- Bore: 77mm
- Comp Ratio: 13.5:1
- Piston #: MX3023C
- CPK #: CPKX4117C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2016 Husqvarna FC 450 13.5:1 95mm std bore x 63.4mm stroke profiled pin bore (449.9cc) pro race piston kit
- Bore: 77mm
- Comp Ratio: 13.5:1
- Piston #: M3023C
- CPK #: CPK4117C
- Rod #: 8801
- Pin #: W630-1650-13CP1C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2005-2009 Kawasaki KX250F 14.2:1 77mm std bore x 53.6mm stroke platinum series 1mm smaller pin 1.5 mm longer rod (249cc) piston kit
- Bore: 77mm
- Comp Ratio: 14.2:1
- Piston #: MX3P00C
- CPK #: CPKX3P00C
- Rod #: 8813
- Pin #: S591-1650-13C
- Locks #: 591x040 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2005-2009 Kawasaki KX250F 13.5:1 80mm +3mm oversize bore x 53.6mm stroke (269cc) piston kit
- Bore: 80mm
- Comp Ratio: 13.5:1
- Piston #: M3024C
- CPK #: CPK3024C
- Rod #: 8801
- Pin #: W630-1650-13CP1C
- Locks #: 630x050 SWL
- Rings #: CP8000C
- Gasket Only #: CALL
2005-2009 Kawasaki KX250F 13.5:1 79mm +2mm oversize bore x 53.6mm stroke (263cc) piston kit
- Bore: 79mm
- Comp Ratio: 13.5:1
- Piston #: MX3002C
- CPK #: CPKX3002C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7900C
- Gasket Only #: CALL
2005-2009 Kawasaki KX250F 14.2:1 77mm std bore x 53.6mm stroke (249cc) piston kit
- Bore: 77mm
- Comp Ratio: 14.2:1
- Piston #: MX3000C
- CPK #: CPKX4020C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP7700C
- Gasket Only #: C3054
2005-2009 Kawasaki KX250F 12.5:1 81mm +4mm oversize bore x 53.6mm stroke (276cc) piston kit
- Bore: 81mm
- Comp Ratio: 12.5:1
- Piston #: MX3007C
- CPK #: CPKX3007C
- Rod #: 8801
- Pin #: S630-1650-13C
- Locks #: 630x050 SWL
- Rings #: CP8100C
- Gasket Only #: CALL
2004-2019 Yamaha YFZ450/R 12.75:1, 98mm +3mm oversize piston kit
- Bore: 98mm
- Comp Ratio: 12.5:1 468cc; 12.75:1 478cc
- Piston #: M1009
- CPK #: CPK1009
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3858
- Gasket Only #: YFZ450 C3068; YFZ450R C3178
2004-2019 Yamaha YFZ450 13.5:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod, profiled pin bore pro race piston kit
- Bore: 95mm
- Comp Ratio: 13.25:1 439cc; 13.5:1 449cc
- Piston #: MX1P26-P
- CPK #: YFZ450 CPKX1P26-P; YFZ450R CPKX1P26R-P
- Rod #: 04-05 6130; 06-07 6129 09-18 8802
- Pin #: S748-2000-15C
- Locks #: 748x050 SWL
- Rings #: CP9500C
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ 450 13.5:1 95mm std bore profiled pin bore pro race piston kit
- Bore: 95mm
- Comp Ratio: 13.25:1 439cc; 13.5:1 449cc
- Piston #: MX1026-P
- CPK #: YFZ450 CPKX1026-P; YFZ450R CPKX1126-P
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: S787-2000-15C
- Locks #: 787x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ450/R 13.25:1 95mm std bore piston kit
- Bore: 95mm
- Comp Ratio: 13.0:1 439cc; 13.25:1 449cc
- Piston #: M1001
- CPK #: CPK1001
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ450/R 13.25:1 97mm +2mm oversize bore piston kit
- Bore: 97mm
- Comp Ratio: 13.0:1 458cc; 13.25:1 468cc
- Piston #: M1007
- CPK #: CPK1007
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3819
- Gasket Only #: YFZ450 C3068; YFZ450R C3178
2004-2019 Yamaha YFZ450 13.5:1 95mm std bore platinum series 1mm smaller pin/ 3.5mm long rod piston kit
- Bore: 95mm
- Comp Ratio: 13.25:1 439cc; 13.5:1 449cc
- Piston #: MX1P26
- CPK #: YFZ450 CPKX1P26; YFZ450R CPKX1P26R
- Rod #: 04-05 6130; 06-07 6129 09-18 8802
- Pin #: S748-2000-15C
- Locks #: 748x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ450/R 13.75:1 97mm +2mm oversize bore Piston Kit
- Bore: 97mm
- Comp Ratio: 13.5:1 458cc; 13.75:1 468cc
- Piston #: M1008
- CPK #: CPK1008
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3819
- Gasket Only #: YFZ450 C3068; YFZ450R C3178
2004- 2019 Yamaha YFZ450/R 12.75:1 97mm +2mm oversize bore piston kit
- Bore: 97mm
- Comp Ratio: 12.5:1 458cc; 12.75:1 468cc
- Piston #: M1006
- CPK #: CPK1006
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3819
- Gasket Only #: YFZ450 C3068; YFZ450R C3178
2004 -2019 Yamaha YFZ450/R 12.75:1 95mm std bore piston kit
- Bore: 95mm
- Comp Ratio: 12.5:1 439cc; 12.75:1 449cc
- Piston #: M1000
- CPK #: CPK1000
- Rod #: 04-05 9660; 06-08 custom 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ 450/R 13.75:1 95mm standard bore piston kit
- Bore: 95mm
- Comp Ratio: 13.25:1 439cc; 13.5:1 449cc
- Piston #: M1002
- CPK #: CPK1002
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004-2019 Yamaha YFZ 450 13.75:1 98mm +3mm oversize bore piston kit
- Bore: 98mm
- Comp Ratio: 13.5:1 468cc; 13.75:1 478cc
- Piston #: M1085
- CPK #: CPK1085
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: W787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3858
- Gasket Only #: YFZ450 C3068; YFZ450R C3178
2004-2019 Yamaha YFZ450/R Race 13.5:1 95mm std bore piston kit
- Bore: 95mm
- Comp Ratio: 13.25:1 439cc; 13.5:1 449cc
- Piston #: MX1026
- CPK #: YFZ450 CPKX1026; YFZ450R CPKX1126
- Rod #: 04-05 9660 06-08 custom; 09-15 8808
- Pin #: S787-2000-15C
- Locks #: 787x050 SWL
- Rings #: CPN2-2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908
2004 -2019 Yamaha YFZ450/R 11.8:1 :1 95mm std bore piston kit
- Bore: 95mm
- Comp Ratio: 11.8:1 439cc; 12.1:1 449cc
- Piston #: M1100
- CPK #: CPK1100
- Rod #: 04-05 9660; 06-08 custom 09-15 8808
- Pin #: 787-2000-15CP1C
- Locks #: 787x050 SWL
- Rings #: CPN2-3740
- Gasket Only #: YFZ450 C3066; YFZ450R C7908