ORO2U Dirt Catalogue - Section E - Engine and Performance.

Wossner

Piston Kits

TM 2-Stroke Models

Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips 56-006.WO

Small End Bearing

2008 - 23 47.85mm 1992 - 23 54mm

85 MX

56-W4957.A.WO 56-W016.A.WO 56-W8823.A.WO 56-W228.A.WO 56-W021.A.WO 56-W020.A.WO 56-W8818.A.WO

56-R386

56-7962

– – – – – – – – – – – – – –

125 Cross / Enduro 125 Cross / Enduro

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

56-0151 56-0151 56-0151

2020

54mm

56-R408.WO

144

2008 - 19 56mm

56-R431

56-783.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO 56-7924.WO

250 Cross / Enduro Domed (1-Ring) 1999 - 19 66.4mm

56-R420.1.WO 56-R420.2.WO 56-R420.1.WO x2

56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO 56-0153.WO Piston Clips 56-0152.WO 56-0152.WO 56-0152.WO

Domed (2-Ring) 1999 - 19 66.4mm

2020 - 23 66.4mm

250 MX/EN 300 Cross

1997 - 01 72mm 56-W158.00A

56-R372 56-R372

2008 - 09 72mm 2008 - 09 72mm

56-W032.A.WO

300 Cross Exhaust Bar (1-Ring)

56-W9920.00B.WO

56-R101.WO

Exhaust Bar (2-Ring)

300 Enduro

1997 - 01 72mm 56-W158.00A

56-R372 56-R372

2002 - 19 72mm 2002 - 19 72mm 2020 - 23 72mm

56-W032.A.WO

300 Enduro Exhaust Bar (1-Ring)

56-W9920.00B.WO 56-W8819.A.WO

56-R101.WO

Exhaust Bar (2-Ring)

300 MX/EN

56-R372

56-785

4-Stroke Models 250F Cross / Enduro

Years

Size

Piston Kit

Piston Rings 56-R553.WO 56-R407.WO 56-R407.WO 56-R554.WO 56-R554.WO 56-R554.WO 56-R554.WO 56-R554.WO 56-R555.WO

Piston Pin 56-7931.WO 56-7931.WO 56-7931.WO

Small End Bearing

2007 - 10 77mm

56-W033.WO.A 56-W044.A.WO 56-W4958.A.WO 56-W026.A.WO 56-W038.WO.A 56-W4960.A.WO 56-W4960.A.WO 56-W4960.A.WO 56-W034.WO.A

– – – – – – – – –

250F Cross / Enduro (Fuel Injection)

2010

77mm

2011 - 12 77mm

MX / EN 250F (Fuel Injection)

450F Cross / Enduro 450F Cross / Enduro

2004

95mm

56-7926 56-7926 56-7926 56-7926 56-7926 56-7926

56-0154 56-0154 56-0154 56-0154 56-0154 56-0154

2005 - 08 95mm 2009 - 11 95mm 2011 - 20 95mm 2011 - 20 95mm 2003 - 12 98mm

MX 450F MX 450Fi EN 450Fi

530 Cross / Enduro

VOR 4-Stroke Models

Years

Size

Piston Kit

Piston Rings

Piston Pin 56-7927.WO 56-7927.WO 56-7927.WO

Piston Clips 56-0155.WO 56-0155.WO 56-0155.WO

Small End Bearing

VOR 450 VOR 503 VOR 530

2004 - 07 97mm

56-W062.A.WO

56-R307

– – –

2000 - 02 95mm 56-W060.A 2002 - 07 97mm 56-W061

56-R305.WO

56-R307

YAMAHA 2-Stroke Models

Years

Size

Piston Kit

Piston Rings 56-R573.WO 56-R317.WO 56-R905.WO 56-R527.WO 56-R527.WO 56-R905.WO 56-R386.WO 56-R386.WO 56-R386.WO 56-R556.WO 56-R905.WO

Piston Pin 56-7979.WO 56-709.WO

Piston Clips 56-011.WO 56-005.WO 56-005.WO 56-005.WO 56-005.WO 56-005.WO 56-005.WO 56-005.WO 56-005.WO

Small End Bearing

1981 - 23 40mm 2018 - 23 43.5mm 1983 - 06 47mm 1976 - 80 49mm

PW 50 YZ 65 PW 80 YZ 80 YZ 80 YZ 80 YZ 80 YZ 80 YZ 80

56-W938+000_WO 56-W9991.A.WO 56-W939+000.WO 56-W457+000.WO 56-W465+000.WO 56-W477+000.WO 56-W508+000.WO 56-W520+000.WO 56-W569+000.WO 56-W671+0.00.WO 56-W646+00A.WO 56-W805.A.WO 56-W4771.A.WO

56-7903

56-827.WO 56-827.WO 56-7992.WO 56-7992.WO 56-811.WO 56-811.WO 56-811.WO 56-7995.WO 56-7995.WO 56-7995.WO 56-836.WO

56-709.WO 56-709.WO 56-709.WO 56-709.WO 56-709.WO 56-709.WO 56-7930.WO 56-7930.WO 56-7930.WO

1981

49mm

1982 - 83 47mm

1984

48mm

1985 - 87 48mm 1988 - 92 48mm 1993 - 01 46mm 1993 - 01 47mm 2002 - 23 47.5mm 1982 - 83 50mm

YZ 80 International Bore

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

US Bore

YZ 85

56-R352

YZ 100

56-R580.WO

DT 125E/F/MX/LC

1975 - 82 56mm 56-W253.000

56-R365 56-R365 56-R365 56-R365 56-R432 56-R431

56-7925.WO.41 56-7925.WO.41 56-7925.WO.41 56-7925.WO.41 56-7925.WO.41 56-7925.WO.41

56-0152.WO 56-806.WO 56-0152.WO 56-806.WO 56-0152.WO 56-806.WO 56-0152.WO 56-820.WO 56-0152.WO 56-820.WO 56-0152.WO 56-820.WO

DT 125R/E/X TZR / TDR 125

1986 - 06 56mm

56-W224.000.WO

1992 - 98 56mm 56-W252.000A

YZ 125 YZ 125 YZ 125

1976 - 82 56mm

56-W435+00A.WO 56-W503+050.WO 56-W512+000.WO

1983 1984

56.5mm

56mm

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.

*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com

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