Piston Kits
Wossner
Wossner Piston Kits Wossner Pistons, Germany’s finest aftermarket forged piston and rod manufacturer. With over 25 years of custom piston and rod manufacturing, Wossner Pistons is deeply committed to bringing to market only the best and most accurately machined forged pistons and rods available. Wossner Pistons commitment to quality stems from designing racing components for top European racing teams in all types of venues to supplying the weekend racer a hop-up high compression piston, or a big bore piston to take advantage of today’s high revving high horsepower engines in both automotive and motorcycle applications.
HONDA 4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin 56-7930.WO 56-7930.WO 56-7930.WO 56-7930.WO 56-701.WO 56-701.WO 56-701.WO 56-701.WO 56-7972.WO 56-7931.WO 56-7931.WO 56-7931.WO 56-7981.WO 56-7981.WO 56-7981.WO 56-7981.WO 56-7981.WO 56-7981.WO 56-7981.WO
Piston Clips
Small End Bearing
CRF 150R High Comp. 12.5:1
2007 - 09 66mm 2007 - 09 70mm 2012 - 22 66mm 2012 - 22 66mm 1986 - 91 65.5mm 1986 - 91 65.5mm 2003 - 19 65.5mm 2008 - 09 65.5mm 2013 - 17 76mm 2004 - 05 78mm 2004 - 09 78mm 2006 - 09 78mm 2010 - 13 76.8mm 2014 - 15 76.8mm 2016 - 17 76.8mm 2018 - 19 79mm
56-W4924+00A.WO 56-W4924+400.WO
56-R852 56-R349 56-R852 56-R852
56-0150 56-0150 56-0150 56-0150 56-0151 56-0151 56-0151 56-0151
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Big Bore
CRF 150R Comp. 11.7:1
56-W914.A.WO 56-W921.A.WO
High Comp. 12.2:1
XR / XL185
56-W4156.000.WO 56-W4156.000.WO 56-W4816+00A.WO 56-W4816+00A.WO 56-W9703.76.WO 56-W4829.A.WO 56-W4852.A.WO 56-W4830+00A.WO
– – – –
XR 200
CRF 230F Comp. 11:1 CRF 230L Comp. 11:1
CRF 250L CRF 250R
56-R551.WO 56-R557.WO 56-R557.WO 56-R557.WO 56-R567.WO 56-R567.WO 56-R567.WO 56-R326.WO 56-R326.WO 56-R326.WO 56-R326.WO 56-R551.WO 56-R323.WO 56-R323.WO 56-R211.WO
56-0160.WO
56-0154
CRF 250R Hi-Comp 13.9:1
56-0152.WO
CRF 250R
56-0154
CRF 250R Comp 14.2:1 CRF 250R Hi-Comp 14.5:1
56-W950.A.WO
56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0160.WO 56-0152.WO 56-0152.WO
56-W958.A.WO.HC 56-W8800.00A.WO 56-W8806.WO 56-W4788.A.WO 56-W4788.A.WO_H 56-W8806.A.WO 56-W9703.76.WO 56-W4829.A.WO 56-W4852.A.WO 56-W4171+P0.A 56-W4329.000.WO 56-W4466_000.WO 56-W4171+P0.A 56-W4171+P0.A 56-W4171+P0.A 56-W4329.000.WO 56-W4466+000.WO 56-W4466+400.WO 56-W4286+00A.WO
CRF 250R CRF 250R
CRF 250R / RX Comp 13.90
2020 - 23 2020 - 23
79mm 79mm 79mm 76mm
Comp 14.50
CRF 250 RX CRF 250 Rally
2019 2017
56-7972
CRF 250 X Comp 12:9.1
2004 - 17 78mm 2004 - 17 78mm 1979 - 83 74mm 1984 - 85 75mm 1991 - 96 73mm 1979 - 82 74mm 1979 - 83 74mm
56-7981.WO 56-7981.WO
Hi-Comp 13:9.1
XL 250
56-7964
56-0154
XL 250R XL 250L XL 250S XR 250 XR 250 XR 250 XR 250 XR 250 XR 350
56-R362 56-R277
56-7936.WO 56-7936.WO
56-0160.WO 56-0160.WO
56-R211.WO 56-R211.WO 56-R211.WO
56-7964 56-7964 56-7964
56-0154 56-0154 56-0154
1983
74mm
1984 - 85 75mm 1986 - 04 73mm 1986 - 99 77mm 1983 - 85 84mm 1981 - 82 89mm 1996 - 04 85mm 2002 - 03 96mm
56-R362 56-R277 56-R821 56-R302 56-R363
56-7936.WO 56-7936.WO 56-7936.WO 56-7933.WO 56-7933.WO 56-7909.WO
56-0160.WO 56-0160.WO 56-0160.WO 56-0161.WO 56-0161.WO 56-0155.WO
XR 400 l XLS 400
56-W310+000
XR 400
56-W4606+00A.WO 56-W4820.A.WO
56-R482.WO 56-R558.WO 56-R558.WO 56-R558.WO 56-R558.WO 56-R559.WO 56-R559.WO 56-R558.WO 56-R558.WO 56-R558.WO 56-R558.WO 56-R558.WO 56-R325.WO 56-R325.WO 56-R558.WO 56-R306.WO
CRF 450R CRF 450R
56-7926 56-7926 56-7926 56-7926 56-7926 56-7926 56-7926 56-7926 56-7964
56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154
2004
96mm 56-W182.A
CRF 450R Comp. 12:1
2005 - 08 96mm 56-W183.A
Hi-Comp. 13.5:1
2002 - 08 96mm 2002 - 08 100mm
56-W4822.WO 56-W205.WO
Big Bore Comp. 11.8:1 Big Bore Comp. 12.0:1
2002 - 08 100mm 56-W4820.4.0
CRF 450R 12:1 Comp
2009 - 12 96mm 2009 - 12 96mm 2013 - 14 96mm 2013 - 14 96mm 2015 - 16 96mm
56-W4978.WO 56-W4978.WO.H 56-W916.WO 56-W916.WO.H
Hi-Comp. 13.5:1
CRF 450R Standard Comp 12.5:1
Hi-Comp. 13.8:1
56-7924.WO 56-7924.WO
CRF 450R Comp 12.5:1 CRF 450R / RX Comp 13.5:1
56-W927.WO
2017 - 23 2017 - 23
96mm 96mm
56-W9949.A.WO 56-W9949.A.WO.H **
56-7964 56-7964 56-7926
–
Hi-Comp. 14.0:1
CRF 450X Comp. 12:1
2005 - 17 96mm 56-W183.A
– – – – – – – – – – – –
2019 - 23
CRF 450X XLR 500 XLS 500 XR 500R XR 600R
96mm
56-W8811.WO 56-W310+000 56-W310+000 56-W310+000
1979 - 84 89mm 1979 - 82 89mm 1979 - 82 89mm 1985 - 00 97mm 1983 - 87 100mm 1993 - 02 100mm 1993 - 99 100mm 1993 - 21 100mm 2000 - 07 100mm 2000 - 07 100mm
56-R363 56-R363 56-R363 56-R307
56-7933.WO 56-7933.WO 56-7933.WO 56-7915.WO 56-7915.WO 56-7915.WO 56-7915.WO 56-7915.WO
56-0161.WO 56-0161.WO 56-0161.WO 56-010.WO 56-010.WO 56-010.WO 56-010.WO 56-010.WO
56-W4577.A.WO 56-W926.A.WO 56-W4562.00A.WO 56-W4562.00A.WO 56-W4562.00A.WO 56-W4715.000.WO 56-W4719+00A.WO
XL600R Radial Head Pro Series
56-R501.WO 56-R501.WO 56-R501.WO 56-R501.WO 56-R501.WO 56-R501.WO
NX 650 Domnator
XR 650C XR 650L
XR 650R Comp 10.0:1
56-7955 56-7955
56-0157 56-0157
Hi-Comp. 11:1
Please Note Wossner Piston rings will NOT run in chrome bores!
**Requires NGK plug R0465B-10 to be used with this piston
*Please visit our website for current prices E24
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
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