ORO2U Road Catalogue - Section E - Engine and Performance.

Piston Kits

Wiseco & Wossner

Wiseco Piston Kits (WI) Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue.

Wossner Piston Kits (WO) Wossner are the innovative specialists for high performance pistons. Wossner products are to be found in engines operating at the highest levels of motorsport, in competition and, of course, in everyday use – in fact, anywhere where longevity and operational noise are important factors. Wössner products are the source of the superior power behind the success of well known motor sport teams at national and international race meets.

HONDA Models

Years Size Piston Kit 1988 - 90 56mm 56-W905.WO 1983 - 87 56mm 56-W903.WO 1983 - 87 56mm 56-W903.WO 1991 - 03 54mm 56-W906.00A.WO 1991 - 03 54mm 56-W906.00A.WO 1992 - 94 54mm 56-W9724.A.WO 1995 - 97 54mm 56-W9723.A.WO 2003 - 07 54mm 56-W177.A.WO 2003 - 07 54mm 56-W227.A.WO 2011 - 13 76mm 56-W9703.76.WI

Piston Rings Piston Pin

Piston Clips

Small End Bearing

MTX125 Rally

56-R365 56-R365 56-R365 56-R405 56-R405 56-R347 56-R347

56-7925 56-7925 56-7925

56-0152 56-0152 56-0152 56-0152 56-0152 56-0150 56-0151 56-0151 56-0151 56-007 56-0154 56-0154 56-007 56-007 56-0154 56-002 56-0161 56-0152 56-0152 56-0152 56-0155 56-007 56-007 56-007 56-0161 56-008 56-007 56-007 56-007 56-0152 56-002

MBX125 MTX125 CRM125 NSR125

56-7928.WO.41 56-7928.WO.41

RS 125 GP RS 125 GP

56-786 56-783

56-800

RS125 GP (Domed) RS125 GP (Flat Top)

56-R347

CBR250R CRM250

56-7977

All

66mm 56-W130.WO

56-R480.WO 56-731

XL250 XR250

1979 - 82 74mm 56-W4171 1986 - 04 73mm 56-W4466 1984 - 85 75mm 56-W4329 Thru - 83 74mm 56-W4171 1986 - 73 65mm 56-W9718.6500 1983 - 84 84mm 56-W4286 1974 - 76 67.5mm 56-W9719.6750 1974 - 75 67.5mm 56-W9719.6750 1976 - 77 67.5mm 56-W9719.6750 1996 - 04 85mm 56-W4606+00A 1965 - 74 70.5mm 56-W9720.7050 1967 - 74 70.5mm 56-W9720.7050 1974 - 78 58.5mm 56-W9721.5850 1979 - 82 89mm 56-W310.WO 1979 - 82 89mm 56-W4117.WI 1990 - 98 67mm 56-W9704.WI 1998 - 04 67mm 56-W9704.WI 1999 - 06 67mm 56-W9705.WI 2003 - 06 67mm 56-W9706.67.WI 2007 - 16 67mm 56-W9707.67.WI

56-R211 56-R277 56-R030 56-R211 56-R488 56-R302

56-7964 56-7936 56-7936 56-7964 56-7907

XR/XL250

XR250

CB350 / CL350

XR350 CB360 CL360 CJ360 XR400 CB 450 CL 450

56-7933.WO

56-7917 56-7917 56-7917

56-R482

56-7909.WO

56-7936 56-7936

CB550K / CB550F XL/XR500 (Wossner) XL/XR500 (Wiseco) CBR600 F2 / F3 CBR 600SF Hornet

56-R363

56-7933.WO

CBR600F4 / F4i

CBR600RR CBR600RR

56-7952 56-718

XL600

1983 - 87 100mm 56-W926

56-R501.WI

56-7915.WI

56-010.WI

XR600R

1985 - 01 97mm 56-W4577.A.WO 1989 - 91 82mm 56-W9708.WI 1988 - 04 100mm 56-W4562 1993 - 20 100mm 56-W4562 2000 - 07 100mm 56-W4715.000.W 2000 - 07 100mm 56-W4719.+00A.WO 1969 - 78 65mm 56-W9709.WI 1969 - 78 65mm 56-W9881.400.WO 1979 - 82 65mm 56-W9709.WI 1979 - 82 65mm 56-W9882.300.WO 1981 - 82 67.5mm 56-W9714.WI

56-R307 56-R312

56-7915

56-010 56-000

Hawk 650NT Twin NX650 Dominator XR650L / XR650C

56-R501.WO 56-7915.WO

56-010.WO 56-010.WI

56-R034 56-R800

56-7915.WI

XR650R

56-7950

56-013 56-0157 56-002 56-0151

XR650R (Hi-Comp 11:1) CB750F / K - 2 Valve (Wiseco) CB750 F / CB 750K - 2 Valve (Wossner) CB750F / K / C - 4 Valve (Wiseco)

56-R501.WO 56-7955

56-R488

56-7907

56-R488

56-7907

56-002

CB750 - 4 Valve (Wossner)

CB900F

56-7907

56-002

*Please visit our website for current prices

* Note; Most Kits are available from standard size up to +2.00mm over size *

RE12

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