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JUMP STATION
HONDA - CRF230F 2003-04 HONDA - XR650C '93-99, XR650L '96-04
HONDA - XR250 '86-04, XRL250 '91-96 HONDA ATV - TRX200 90-97
HONDA - CRF250 '2004-2007 HONDA ATV - TRX300 88-00
HONDA - XR400 1996-04 HONDA ATV - TRX300EX 92-04
HONDA - CRF450R 2002-04 HONDA ATV - TRX400EX 1999-04
HONDA - XR600 '85-01, XR600R '85-01 HONDA ATV - TRX450R 2004-'05
HONDA - XR650R 2000-04 HONDA ATV - FOREMANS, ES 1998-03

CYLINDER BORING - IRON SLEEVE

Singles

 LC180  Bore and hone with piston purchase $47.50
 LC181  Bore and hone with customer's pistons 85.00
LC201D Bore and hone with customer's pistons 16.00

CYLINDER BORING - ALUMINUM NIKASIL PLATED

Singles

LC145 Bore and re-nikasil single cylinder - w/Piston purchase 210.00
LC146 Bore and re-nikasil single cylinder - w/customer piston 230.00

**NOTE: CP PISTON KITS LISTED AS "FULL RACE" PISTONS HAVE THE FOLLOWING FEATURES:

Skirt coating to minimize friction by creating a buffer between the cylinder and the piston.
Dual pin oiling and broached oilers, adding twice the amount of oil to the wrist pin from the cylinder wall.
Lateral gasports, improving ring seal by forcing the ring against the cylinder wall. (Available on some models).

HONDA - CRF 150R 2007-2008
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
149cc 66MM 13:1 M2043 STD BORE POR
149cc 66MM 13:1 M2044 STD BORE POR
158cc 68MM 13:1 M2056 2mm over POR

HONDA - CRF230F 2003-07
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
223cc 65.5MM 10.5:1 4816M06550 STD. $137.94

HONDA - CRF250 '2004-2008
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
249cc 78MM 12.9:1 4829M07800 STOCK BORE 122.86
249cc 78MM 13.5:1 4852M07800 STOCK BORE 153.75
249cc 78MM 13:1 M2042 STOCK BORE POR
256cc 78MM 13.5:1 M2000C STOCK BORE POR
262cc 80MM 13.5:1 M2050C +2MM POR
268cc 81MM 13.5:1 M2051C +3MM POR
249cc 78MM 14:1 M2100H Full race trenched pistons - use stock Honda rings (not supplied)** POR
249cc 78MM 14:1 M2100C Full race trenched pistons - rings included ** POR
249cc 78MM 14.5:1 M2108H Full race trenched pistons - use stock Honda rings (not supplied)** POR
249cc 78MM 14.5:1 M2108C Full race trenched pistons - rings included** POR

HONDA - XR250 '86-04, XRL250 '91-96
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
256cc 74MM 10.5:1 4466M07400 1 mm over. 112.04
266cc 75.5MM 10.5:1 4466M07550 2.5 mm over. 123.26
277cc 77MM 10.5:1 4466M07750 4 mm over. 123.26
284cc 78MM 10.5:1 4466M07800 5 mm over. 123.26

HONDA - XR400 1996-08
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
407cc 87MM 11:1 M2005 1 mm over. POR
407cc 87MM 11:1 4606M08600

1 mm over. POR
407cc 87MM 12.5:1 M2006

1 mm over. POR
416cc 87MM 10:1 4606M08700

2 mm over. 118.87
416cc 87MM 11:1 4628M08700 2 mm over. 132.02
426cc 88MM 10:1 4606M08800 3 mm over. 132.02
426cc 88MM 11:1 4628M08800 3 mm over. 132.02
426cc 88MM 11:1 177240 3 mm over. 139.95
426cc 88MM 13:1 177239 3 mm over. 139.95
440cc 89MM 12.5:1 CK140 +4mm Kit includes (1) piston, ring set, wrist pin, circlips, top end gasket set, and sleeve 206.17

HONDA - CRF450R 2002-08 CRF450X '05-'06
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
449cc 96MM 12:1 4820M09600 STD. 134.07
449cc 96MM 12.5:1 M2009 STD. POR
449cc 96MM 13:1 4822M09600 STD. 158.85
449cc 96MM 13:1 M2029 STD. POR
449cc 96MM 14:1 M2045 STD. Bore - CP FULL RACE POR
458cc 97MM 12.5:1 M2011 1 mm over POR
458cc 97MM 13.5:1 M2012 1 mm over POR
468cc 98MM 12.5:1 M2013 2 mm over POR
468cc 98MM 13:1 M2031 2 mm over POR
468cc 98MM 12.5:1 4755M09800 2 mm over. 157.29
468cc 98MM 13.5:1 M2014 2 mm over. POR
478cc 99MM 12.5:1 4755M09900 3 mm over. 157.29
477cc 99MM 12.5:1 M2015 3 mm over. Requires sleeve or nikasil cylinder, not included POR
477cc 99MM 13.5:1 M2016 3 mm over. Requires sleeve or nikasil cylinder, not included POR
486cc 100MM 12:1 M2032 4 mm over. Requires sleeve or nikasil cylinder, not included POR
486cc 100MM 13.5:1 M2052 4 mm over. Requires sleeve or nikasil cylinder, not included POR
498cc 101MM 12.5:1 4780M10100 5mm over. 160.92
498cc 101MM 12.5:1 CK137 +5mm Kit includes (1) piston, ring set, wrist pin, circlips, top end gasket set, and sleeve 716.46

HONDA - XR600 '85-01, XR600R '85-01
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
628cc 100MM 9:1 4577M10000 3 mm over. 144.88
628cc 100MM 11:1 4366M10000 3 mm over. 149.21

HONDA - XR650C '93-99, XR650L '96-04
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
675cc 102.4MM 10.25:1 4562M10241 2.4 mm over. 144.88

HONDA - XR650R 2000-07
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
680cc 102.4MM 10:1 4715M10240 2.4 mm over. 144.88
680cc 102.4MM 11:1 4716M10240 2.4 mm over. 156.00

HONDA ATV - TRX200 90-97
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
205cc 66MM 8.4:1 4668M06600 1 mm over. 106.95

HONDA ATV - TRX300 88-00
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
293cc 75.5MM 10.25:1 4629M07550 1.5 mm over. 107.19
297cc 76MM 10.25:1 4629M07600 2 mm over. 107.19

HONDA ATV - TRX300EX 92-08
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
282cc 74MM 11.5:1 M2039 Std. Bore POR
289cc 75MM 11.5:1 M2040 1 mm over. POR
297cc 76MM 11.5:1 M2041 2 mm over. POR
297cc 76MM 11:1 4574M07600 2 mm over. 107.19

HONDA ATV - TRX400EX 1999-07
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
416cc 87MM 10:1 4606M08700 2 mm over. 118.17
416cc 87MM 11:1 4628M08700 2 mm over. 132.02
426cc 88MM 10:1 4606M08800 3 mm over. 132.02
426cc 88MM 11:1 4628M08800 3 mm over. 132.02
440cc 89MM 12.5:1 CK140 4 mm over. Kit includes (1) piston, ring set, wrist pin, circlips, head gasket kit and sleeve. 206.17

HONDA ATV - TRX450R 2004-'05
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
450cc 94MM 10.5:1 4848M09400 STD BORE POR
450cc 94MM 11:1 M2021 STD BORE POR
450cc 94MM 12:1 M2035 STD BORE POR
450cc 94MM 13:1 M2017 STD BORE POR
450cc 94MM 13.1:1 4851M09400 STD BORE POR
450cc 94MM 13.5:1 M2025

FULL RACE PISTON** POR
459cc 95MM 11:1 M2022 +1MM POR
459cc 95MM 13:1 M2018 +1MM POR
469cc 96MM 10.5:1 4848M09600 +2MM POR
469cc 96MM 11:1 M2023 +2MM POR
469cc 96MM 13:1 M2019 +2MM POR
479cc 97MM 13:1 M2055 +3MM POR
489cc 98MM 11:1 M2024

+4MM POR
489cc 98MM 13:1 M2020

+4MM POR
499cc 99MM 12.5:1 CK188 +5mm Complete top-end kit 736.82

HONDA ATV - TRX450R 2006-'08
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
449cc 96MM 12:1 M2036 STD BORE POR
449cc 96MM 13:1 M2037 STD BORE POR
449cc 96MM 13.5:1 4905M09600

STD BORE POR
449cc 96MM 13.5:1 M2053 STD BORE POR
449cc 96MM 14:1 M2045 FULL RACE PISTON** POR
468cc 98MM 12.5:1 M2038 +2mm POR
468cc 100MM 13:1 M2054

+4mm POR

HONDA ATV - FOREMANS, ES 1998-04
DISPLACEMENT BORE SIZE COMP RATIO PART# MFG CODE NOTES PRICE
452cc 92MM 9.5:1 4825M09200 2 mm over. 98.47

**NOTE: CP PISTON KITS LISTED AS "FULL RACE" PISTONS HAVE THE FOLLOWING FEATURES:

Skirt coating to minimize friction by creating a buffer between the cylinder and the piston.
Dual pin oiling and broached oilers, adding twice the amount of oil to the wrist pin from the cylinder wall.
Lateral gasports, improving ring seal by forcing the ring against the cylinder wall. (Available on some models).