ORO2U Dirt Catalogue - Section E - Engine and Performance.

Wossner

Piston Kits

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.With unsurpassed quality and a commitment, Wossner Pistons will always listen to the customer as this assures you will always receive the high quality forged CNC machined components you would expect from today’s top European piston and rod manufacturer. Wossner Pistons

believes in continued research and development so that the end user is guaranteed to receive the highest quality machined forged piston.

Wossner Pistons engineers & manufactures 2-stroke and 4-stroke motorcycle, automotive, snowmobile pistons in various bore sizes and compression ratios.

SHERCO 2-Stroke Models

Years

Size

Piston Kit

Piston Rings 56-R408.WO

Piston Pin 56-783.WO

Piston Clips

Small End Bearing

125 SE-R

2018 - 21 54mm 2014 - 16 66.4mm 2017 - 21 66.4mm 2014 - 15 72mm 2016 - 21 72mm

56-W9845.A.WO 56-W9988.A.WO 56-W9989.A.WO 56-W9878.A.WO 56-W9990.A.WO 56-W9990.A.WO

250 SE / SE-R 250 SE / SE-R 300 SE / SE-R 300 SE / SE-R

56-R420.2.WO 56-7924.WO

56-0153.WO 56-801.WO 56-0153.WO 56-801.WO 56-0153.WO 56-801.WO 56-0153.WO 56-801.WO 56-0153.WO 56-801.WO

56-R420.1.WO

56-784

56-R372 56-R372 56-R372

56-7924.WO 56-7924.WO 56-7924.WO

300 SC-R

2019

72mm

4-Stroke Models

Years

Size

Piston Kit

Piston Rings 56-R323.WO 56-R557.WO 56-R334.WO 56-R557.WO 56-R336.WO

Piston Pin

Piston Clips 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO 56-0152.WO

Small End Bearing

250 SC-F SE 2.5i-F SE F 250 280 SE-F SE 3.0i-FR 300 SC-F 300 SE-F

2019 - 21 78mm 2008 - 13 78mm 2014 - 18 76mm 2014 - 18 78mm 2014 - 18 84mm 2019 - 21 84mm 2014 - 18 84mm

56-W8821.A.WO 56-W9879.WO 56-W9986.A.WO 56-W9879.WO 56-W9880.WO 56-W9987.A.WO 56-W9880.WO

– – – – – – –

56-7981.WO

56-7925.WO.44

56-7981.WO 56-7980.WO

56-R336.WO

56-7980.WO

SUZUKI 2-Stroke Models

Years

Size

Piston Kit

Piston Rings 56-R561.WO 56-R279.WO 56-R527.WO 56-R527.WO

Piston Pin 56-709.WO 56-709.WO 56-709.WO 56-709.WO 56-7930.WO 56-7930.WO 56-7930.WO 56-7930.WO 56-7930.WO 56-786.WO 56-786.WO 56-786.WO 56-786.WO 56-786.WO

Piston Clips 56-005.WO 56-005.WO 56-005.WO 56-005.WO

Small End Bearing

RM 60 RM 65 DS 80 RM 80 RM 80 RM 80

2003 - 05 43mm 2000 - 12 44.5mm 1978 - 00 49mm 1977 - 81 49mm 1986 - 87 47.5mm 1989 - 90 47.5mm 1991 - 01 46.5mm 1991 - 01 47.5mm 2002 - 23 48mm

56-W648.A.WO 56-W752.A.WO 56-W456+000.WO 56-W456+000.WO 56-W542+000.WO * 56-W579+000.WO 56-W670+000.WO 56-W645+P0.WO

56-808.WO 56-808.WO 56-808.WO 56-808.WO 56-808.WO 56-808.WO 56-808.WO 56-808.WO 56-7995.WO 56-823.WO 56-813.WO 56-813.WO 56-813.WO 56-813.WO 56-800.WO 56-800.WO 56-800.WO 56-800.WO

56-R352 56-R352

56-0150 56-0150 56-0150 56-0150 56-0151 56-0150 56-0150 56-0150 56-0150 56-0150 56-0150 56-0151 56-0151 56-0151 56-0151 56-0150 56-0150 56-0150

RM 80 International Bore

56-R568.WO

U.S Bore

56-R352 56-R386

RM 85 RM 100 RG 125 RM 125 RM 125 RM 125 RM 125 RM 125 RM 125 RM 125 RM 125 RV 125

56-W806.A.WO 56-W651.A.WO

2003

52.5mm

1985 - 91 56mm 1977 - 80 54mm 1981 - 84 54mm 1985 - 86 54mm

56-W258.200.WO 56-W206+00A.WO 56-W511+000.WO 56-W519+000.WO 56-W557+050_WO 56-W568+000.WO 56-W641.A.WO 56-W754.A.WO 56-W835.A.WO 56-W257.000.WO 56-W257.000.WO 56-W257.000.WO 56-W259.000.WO

56-R365 56-R421 56-R421 56-R421

1987 1988

54.5mm

56-R405+P2.1.WO 56-786.WO 56-R405+P0.1.WO 56-783.WO 56-R405+P0.1.WO 56-783.WO 56-R405+P0.1.WO 56-783.WO 56-R405+P0.1.WO 56-783.WO

54mm

1989 - 99 54mm 2000 - 03 54mm 2004 - 11 54mm

1974 - 78

56-R365 56-R365 56-R365 56-R365 56-R572

56-786.WO 56-786.WO 56-786.WO

– – –

TS 125 / ER

1971 - 81 56mm 1984 - 89 56mm 1989 - 95 56mm 1980 - 84 62mm 1978 - 80 64mm 1971 - 81 64mm 1974 - 77 64mm All Years 67mm 1977 - 81 67mm 1992 - 98 56mm

TS 125X TSR 125 PE 175 DS 185

56-7925.WO.41

56-0152.WO 56-802.WO 56-0152.WO 56-806.WO 56-0152.WO 56-806.WO 56-0152.WO 56-806.WO 56-0152.WO 56-806.WO

56-W248+000

56-732

56-W922.00A.WO 56-W922.00A.WO 56-W922.00A.WO 56-W957+100.WO 56-W474+P0.WO 56-W255.A.WO

56-R355.WO 56-R355.WO 56-R355.WO

56-7923.WO 56-7923.WO 56-7923.WO 56-7924.WO 56-7924.WO

TC 185 TS 185

TS 200R

56-R571 56-R571 56-R431

56-0153.WO

PE 250

56-0153.WO 56-809.WO

RGV 250

56-7925.WO.41

56-0152.WO

Please Note Wossner Piston rings will NOT run in chrome bores!

Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.

* 56-W542 Does NOT come with a piston pin.

*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com

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