ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Wiseco

HONDA 2-Stroke Models

Years

Piston Type

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

CR 80 CR 80

1983 1984

49.5mm 49.5mm

56-W493+000.WI 56-W509+000.WI

56-R490 56-R490 56-R401 56-R002 56-R002 56-R470 56-R525 56-R525

56-7903 56-7903 56-708 56-708 56-708

56-005.WI 56-005.WI

56-811.WI 56-811.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-821.WI 56-813.WI 56-807.WI 56-813.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-814.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-801.WI 56-828.WI 56-828.WI

CR 80 (International Bore)

Pro-Lite Pro-Lite

1986 - 02 1986 - 02

46mm 56-W041_WI 47mm 56-W643.A.WI

56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-003 56-002 56-002 56-002 56-002 56-002 56-002 56-002

GP Series 1986 - 02 GP Series 1993 - 06

47mm

56-W643.A.WI.GP

CR 80 CR 85

52mm 56-W833_450.WI

56-715.WI 56-715.WI 56-715.WI

Pro-Lite

2003 - 07

47.5mm 56-W833.WI

GP Series 2003 - 07

47.5mm 55.5mm

56-W833.WI.GP 56-W448+P0.WI 56-W563+000_WI

CR 125 CR 125 CR 125 CR 125 CR 125 CR 125

1980 - 84

56-R006.WI

56-711

1985 - 86 Pro-Lite

54mm

2126CD

56-7904

Pro-Lite

1987

54mm 56-W553.WI

56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R405.1.WI 56-R487.WI

56-715.WI 56-729.WI 56-729.WI 56-729.WI 56-722.WI 56-722.WI 56-722.WI 56-722.WI

1988 - 89 Pro-Lite 1990 - 91 Pro-Lite 1992 - 03 Pro-Lite

54mm 54mm

56-W564+P0_WI 56-W595+00A_WI

54mm 56-W676.P0.WI

1995 - 03 GP /ArmorGlide 54mm

56-W676.P0.WI.G

Pro-Lite

CR 125

2004

54mm 56-W840.WI 54mm 56-W859.WI

2005 - 07 Pro-Lite

2004 - 07 GP /ArmorGlide 54mm 56-W841.WI

CR 250 CR 250 CR 250 CR 250

1978 - 80 1981 - 83

70mm 66mm

56-W431+P0_WI 56-W466+P0_WI

56-724

56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI 56-0153.WI

56-R489 56-R489

S257

1984 - 85 Pro-Lite 1986 - 96 Pro-Lite 1997 - 01 Pro-Lite 1997 - 01 GP Series 2002 - 04 Pro-Lite

66mm 56-W526.P0_WI 66.4mm 56-W614.WI 66.4mm 56-W702.WI 66.4mm 56-W768.WI

56-7905.WI

56-R420.2.WI 56-R420.2.WI

56-781 56-781 56-781 56-781 56-781 56-781

CR 250 (Flat Top) 2-Ring

Single Ring

56-R441

CR 250

66.4mm

56-W801+00A_WI

56-R420.2.WI 56-R420.2.WI

2002 - 04 GP /ArmorGlide 66.4mm 56-W133.WI

2005 - 07 GP /ArmorGlide 66.4mm

CR 250 CR 480 CR 500

56-W860+00A_WI

56-R441

1982 - 83 ArmorGlide 1984 - 01 ArmorGlide

89mm 56-W636.000.WI ++ 89mm 56-W636.000.WI +++

56-R871.00 56-R871.00

56-7940.WI 56-7940.WI

56-000 56-000

4-Stroke Models

Years

Piston Type

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

XR 50

1988 - 08 2004 - 13 1979 - 91 1992 - 03 2004 - 13

39mm 39mm 48mm 48mm 48mm 66mm

56-W4798+000.WI 56-W4798+000.WI 56-W4665+P2 ** O/S 56-W4665+P2 ** O/S 56-W4665+P2 ** O/S 56-W4915+000.WI

56-R515 56-R515

56-7951 56-7951 56-7946 56-7946 56-7946

56-006.WI 56-006.WI 56-006.WI 56-006.WI 56-006.WI

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

CRF 50F

XR 80

– – –

XR 80R CRF 80F

CRF 150R Comp. 11.7:1

2007 - 09 ArmorGlide 2007 - 09 ArmorGlide 2012 - 22 ArmorGlide

56-R529 56-R529 56-R529 56-R201 56-R201 56-R201

56-7965.WI 56-7965.WI 56-7965.WI

56-003 56-003 56-003 56-002 56-002 56-002 56-002 56-007 56-007 56-007 56-007 56-007 56-007 56-007

Hi-Comp. 12.2:1

66mm 56-W4924.WI 66mm 56-W914.WI 65.5mm 56-W4156.000.WI 65.5mm 56-W4156.000.WI 65.5mm 56-W4156.000.WI

CRF 150R Comp. 11.7:1 XR 185 Comp. 10:1 XR 200R Comp. 10:1 XR 200R Comp. 10:1 CRF 230F Comp. 11:1 XR 250 Radial Head

1986 - 02 1980 - 83 1986 - 02

56-7907 56-7907 56-7907

2003 - 17 ArmorGlide

65.5mm

56-W4816+000.WI

56-R516.WI

56-722.WI 56-7936.WI

1984 - 85 1991 - 96 1986 - 04 1984 - 87

75mm 56-W4329.000.WI

56-R030 56-R031 56-R031 56-R030 56-R055 56-R314

XR 250L XR 250R

73mm 73mm

56-W4466+000.WI 56-W4466+000.WI

56-7908 56-7908

56-7936.WI 56-7977.WI 56-7977.WI 56-7977.WI 56-7952.WI 56-7952.WI 56-7931.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI 56-7952.WI

XL 250 Radial Head

75mm 56-W4329.000.WI 76mm 56-W9703.76.WI 78mm 56-W9703.78.WI 81mm 56-W9703.81.WI 78mm 56-W4829.WI 78mm 56-W4852.WI

CRF 250L Comp. 11.5:1

2013 - 16 ArmorGlide 2013 - 16 ArmorGlide 2013 - 14 ArmorGlide 2004 - 07 ArmorGlide 2004 - 07 ArmorGlide 2004 - 09 ArmorGlide 2008 - 09 ArmorGlide 2008 - 09 ArmorGlide 2010 - 13 ArmorGlide 2010 - 13 ArmorGlide 2010 - 13 ArmorGlide 2014 - 15 ArmorGlide 2014 - 15 ArmorGlide 2016 - 17 ArmorGlide 2016 - 17 ArmorGlide

Big Bore 263cc Big Bore 283.5cc

CRF 250R Comp 12.9:1

56-R517 56-R517

56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI 56-0152.WI

Hi-Comp 13.5:1

Big Bore

82mm

56-W4830+400.WI

CRF 250R Comp 13.1:1

78mm 56-W4949.WI 78mm 56-W4972.WI

56-R517 56-R517 56-R534 56-R534 56-R056 56-R534 56-R534 56-R534 56-R534

Comp 13.6:1

CRF 250R Comp 13.2:1

76.8mm 76.8mm

56-W950.WI.AR 56-W950.WI.HC

Hi-Comp 14.2:1

Big Bore

79mm 56-W950_220.WI

CRF 250R Comp 13.2:1

76.8mm 76.8mm

56-W958.WI.AR 56-W958.WI.ARH

Hi-Comp 14:1

CRF 250R Comp 13.2:1

76.8mm 56-W8800.WI

Hi-Comp 14:1

76.8mm

56-W8800.WI.HCA

*Please visit our website for current prices E8b Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size. www.oro2u.com

++ Piston has pre-drilled oil hole. +++ Piston has no oil holes. ** These Pistons are available in oversize only. Please Note All over sizes of Piston Kit #56-W448 CR125 1980-84 Wiseco do not include a piston pin Tel: 01597 822 666 Fax: 01597 825 224

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