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
Piston Rings Piston Pin
Piston Clips
Small End Bearing
MTX125 Rally
1988 - 90 56mm 1983 - 87 56mm 1983 - 87 56mm 2004 - 15 58mm 1991 - 03 54mm 1991 - 03 54mm 1992 - 94 54mm 1995 - 97 54mm 2003 - 07 54mm 2003 - 07 54mm 2011 - 13 76mm
.WO .WO .WO
56-W905 56-W903 56-W903
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
MBX125 MTX125 CBR125R CRM125 NSR125 RS 125 GP RS 125 GP
.A.WO
.WO
56-W4101
56-006
.00A.WO .00A.WO
56-7928.WO.41 56-7928.WO.41
56-W906 56-W906
56-0152 56-0152 56-0150 56-0151 56-0151 56-0151
.A.WO .A.WO
56-W9724 56-W9723
56-786 56-783
56-800
.A.WO ** .A.WO +
RS125 GP (Domed) RS125 GP (Flat Top)
56-W177 56-W227
56-R347
CBR250R CRM250
.76.WI
56-W9703
56-7977
56-007
All
66mm
.WO
.WO
56-W130
56-R480 56-R211 56-R277 56-R030 56-R211 56-R488 56-R302
56-731
56-0154 56-0154 56-007 56-007 56-0154
XL250 XR250
1979 - 82 74mm 1986 - 04 73mm 1984 - 85 75mm Thru - 83 74mm 1986 - 73 65mm 1983 - 84 84mm 1974 - 76 67.5mm 1974 - 75 67.5mm 1976 - 77 67.5mm 1996 - 04 85mm 1965 - 74 70.5mm 1967 - 74 70.5mm 1974 - 78 58.5mm 1979 - 82 89mm 1979 - 82 89mm 1990 - 98 67mm 1998 - 04 67mm 1999 - 06 67mm 2003 - 06 67mm 2007 - 16 67mm 1983 - 87 100mm 1985 - 01 97mm 1989 - 91 82mm 1988 - 04 100mm 1993 - 20 100mm 2000 - 07 100mm 2000 - 07 100mm 1969 - 78 65mm
56-W4171 56-W4466 56-W4329 56-W4171 56-W9718 56-W4286 56-W9719 56-W9719 56-W9719 56-W4606 56-W9720 56-W9720 56-W9721
56-7964 56-7936 56-7936 56-7964 56-7907 56-7933 56-7917 56-7917 56-7917 56-7909 56-7936 56-7936
XR/XL250
XR250
CB350 / CL350
.6500
56-002
XR350 CB360 CL360 CJ360 XR400 CB 450 CL 450
.WO
56-0161 56-0152 56-0152 56-0152 56-0155 56-007 56-007
.6750 .6750 .6750 +00A .7050 .7050 .5850
.WO
56-R482
CB550K / CB550F XL/XR500 (Wossner) XL/XR500 (Wiseco) CBR600 F2 / F3 CBR 600SF Hornet
56-007
.WO
.WO
56-W310
56-R363
56-7933
56-0161 56-008 56-007 56-007 56-007 56-0152 56-002 56-010 56-010 56-000 56-010 56-010 56-013 56-0157
.WI .WI .WI .WI
56-W4117 56-W9704 56-W9704 56-W9705 56-W9706 56-W9707
CBR600F4 / F4i
CBR600RR CBR600RR
.67.WI .67.WI
56-7952
56-718
XL600
.WI
.WI
.WI
56-W926
56-R034 56-R501 56-R312 56-R501 56-R307 56-R800 56-R501 56-R488
56-7915 56-7915
XR600R
.A.WO
56-W4577 56-W9708 56-W4562 56-W4562 56-W4715 56-W4719 56-W9709
Hawk 650NT Twin NX650 Dominator XR650L / XR650C
.WI
.WO
.WO
.WO
56-7915 56-7915 56-7950 56-7955 56-7907
.WI
.WI
XR650R
.000.W
XR650R (Hi-Comp 11:1) CB750F / K - 2 Valve (Wiseco) CB750 F / CB 750K - 2 Valve (Wossner) CB750F / K / C - 4 Valve (Wiseco)
.+00A.WO
.WO
.WI
56-002
1969 - 78 65mm
.400.WO
56-W9881
56-0151
1979 - 82 65mm 1979 - 82 65mm 1981 - 82 67.5mm
.WI
56-W9709 56-W9882 56-W9714
56-R488
56-7907
56-002
CB750 - 4 Valve (Wossner)
.300.WO
CB900F
.WI
56-7907
56-002
** +
.WO This piston has drilled oil holes and does NOT have Teflon coated skirts. WO This piston has drilled oil holes and does NOT have Teflon coated skirts.
56-W177 56-W227
*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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Fax: 01597 825 224
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