ORO2U Dirt Catalogue - Section E - Engine and Performance.

Wossner

Piston Kits

KTM 2-Stroke Models 300 EXC / EGS / MXC

Years Size 1996 - 03 72mm 2004 - 05 72mm 2006 - 17 72mm 2018 - 23 72mm 1990 - 94 72mm

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

+00A.WO

.WO .WO

.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO

.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO

.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO

56-W712 56-W858

56-R359 56-R359 56-R372 56-R372 56-R359 56-R359 56-R359 56-R372 56-R372 56-R372 56-R372 56-R381 56-R381

56-7924 56-7924 56-7924 56-7924

56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153

56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802 56-802

300 EXC / MXC

.A.WO

300 EXC

.A.WO .A.WO

56-W9984 56-W9984

300 EXC TPI 300 MX / GS 300 SX / GS 300 XC / XC-W

.A.WO

.WO .WO .WO

56-W631 56-W154 56-W858

56-785

1995

72mm

+00A.WO

56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-785 56-785 56-7948 56-7948

2004 - 05 72mm 2006 - 19 72mm 2020 - 23 72mm 2006 - 18 72mm 2018 - 23 72mm 1996 - 97 78mm 1998 - 02 78mm 1976 - 81 82.4mm 1976 - 81 82.4mm

.A.WO

300 XC

.A.WO .A.WO .A.WO .A.WO

56-W9984 56-W9984 56-W9984 56-W9984

300 XC TPI 300 XC-W

300 XC-W TPI

360 SX / EGS / EXC 380 SX / EGS / EXC

+00A.WO +00A.WO

56-W747 56-W748

.050.W .050.W

– –

390 (available in 0.5 & 1.0mm oversize) 400 (available in 0.5 & 1.0mm oversize)

56-W9877 56-W9877

KTM 4-Stroke Models 250 EXC F Racing

Years Size 2001 - 06 75mm 2007 - 13 76mm 2007 - 13 76mm 2014 - 22 78mm 2014 - 22 78mm 2014 - 21 78mm 2006 - 12 76mm 2006 - 12 76mm 2013 - 15 78mm 2013 - 15 78mm 2016 - 22 78mm 2016 - 22 78mm

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

.WO .WO

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

56-W029

56-R362 56-R551

56-7918 56-7981

56-0155 56-0152

250 EXC F Racing Comp. 12.9:1

+00A.WO +00A.WO

.WO

56-W4730 56-W4734

Hi-Comp 14.4:1 Comp. 13.9:1

.WO

.WO .WO

56-R551

56-7981 56-7981

56-0152 56-0152

250 EXC-F

.A.WO

.WO .WO

56-W954

56-R323 56-R323

Hi-Comp 14.5:1 Hi Comp 14.23:1

56-W955.A.WO.HC

.WO .WO

56-7981 56-7981

56-0152 56-0152

250 EXC-F 250 SX-F

.WO.A

.WO .WO

56-W9997 56-W4730 56-W4734

56-R323 56-R551

Comp. 12.9:1

+00A.WO +00A.WO

.WO .WO

56-7980 56-7931

56-0152 56-0152

High Comp 14.4:1

.WO .WO

56-R551 56-R323

250 SX-F/XC-F Comp. 13.9:1

.A.WO

.WO .WO

56-W954

56-7981 56-7981

56-0152 56-0152

Hi-Comp. 14.5:1

56-W955.A.WO.HC

.WO .WO

56-R323 56-R323

250 SX-F/XC-F Comp. 14.4:1

.A.WO

.WO .WO

56-W265 56-W265

56-7981 56-7981

56-0152 56-0152

Hi-Comp. 14.6:1 Comp. 14.40 Comp. 12.9:1 Hi-Comp 14.4:1 Comp. 14.40 Comp. 12.3:1

.A.WO.HC

.WO .WO

56-R323 56-R341

2023

250 SX-F

81mm

.A.WO

.WO .WO

56-W4077 56-W4730 56-W4734 56-W4077

56-7981 56-7981

56-0152 56-0152

250 XC-F / W

2007 - 12 76mm 2007 - 12 76mm

+00A.WO +00A.WO

TPR76.00 TPR76.00

.WO .WO

56-7981 56-7981

56-0152 56-0152

2023

250 XC-F 350 EXC-F 350 EXC-F 350 EXC-F

81mm

.A.WO

.WO

56-R341 56-R271

2012 - 16 88mm 2017 - 19 88mm 2024 - 25 88mm 1992 - 94 89mm 2011 - 15 88mm 2011 - 15 88mm 2023 - 25 88mm 2023 - 25 88mm 1976 - 81 81.40mm 2009 - 11 95mm 1993 - 96 95mm

.A.WO

.WO .WO

56-W960

56-7891 56-7891

56-0153 56-0153

Comp. 12.5:1

.A.WO .A.WO

56-W9950 56-W8834

56-R271 56-R333 56-R363 56-R271

.WO

.WO .WO

.WO

56-7984 56-7975 56-7956 56-7956

56-0153 56-0156

350 LC4

56-W013

350 SX-F Comp 13.5:1

+00A.WO +00A.WO

.WO .WO

56-W4735 56-W4736 56-W8834 56-W8834 56-W9938 56-W4739

56-0153 56-0153

Hi-Comp. 14.5:1

56-R271 56-R333

350 SX-F 350 XC-F

.A.WO .A.WO

.WO .WO

.WO .WO .WO .WO

56-7984 56-7984 56-7948 56-7982

56-0153 56-0153 56-0153 56-0154 56-0156 56-0156

56-R333

400

.050.WO

–

400 EXC 400 LC4

.A.WO

.WO .WO

56-R554 56-R305 56-R363 56-R363 56-R363 56-R363

.A .A

56-W014 56-W013

56-7921 56-7975

400 LC4 / ESG-E

1997

89mm

.WO .WO

400 LC4 Comp 11.0:1

1998 - 01 89mm 1998 - 01 89mm 2003 - 06 89mm 2003 - 07 89mm 2008 - 11 95mm 2012 - 16 95mm 2017 - 21 95mm 2022 - 23 95mm 2007 - 10 97mm 2008 - 09 95mm

+00A.WO

.WO .WO

56-W4733

56-7927 56-7927

56-0155 56-0155

Hi-Comp. 12.5:1

.00A.WO

.WO .WO .WO

56-W215 56-W178 56-W178 56-W243 56-W968 56-W968

450 EXC-G Racing Comp. 11.1:1 450 EXC Racing Comp. 11.1:1

.A .A .A

.WO .WO

56-7927 56-7927 56-7926 56-7982 56-7982 56-7964 56-7964 56-7926 56-7926 56-7926

56-0155 56-0155

56-R363 56-R554

450 EXC-R

.WO .WO

56-0155 56-0155

450 EXC

.A.WO .A.WO

56-R554 56-R329

450 EXC-F 450 EXC-F 450 XC-F 450 XCR-W

.WO .WO

56-0154 56-0154

.A.WO

56-W8830

56-R329 56-R328

.A.WO

.WO .WO

56-W107 56-W243 56-W243 56-W243 56-W243

56-0154 56-0154

.A .A .A .A

56-R329 56-R329

450 XC-W Champion Edition

2010

95mm

.WO .WO

56-0154 56-0154

450 XC-W Six Days

2010 - 11 95mm 2012 - 13 95mm 2003 - 06 95mm 2003 - 06 95mm 2007 - 12 97mm

56-R329 56-R329

450 XC-W

.WO .WO

56-7926 56-7927

56-0154 56-0155

450 SX Racing Comp. 12.0:1

.A.WO

.WO .WO

56-W4805 56-W4806

56-R305

Hi-Comp. 13.0:1

.WO .WO

56-R554 56-R328

56-7927 56-7964

56-0155 56-0154

Comp. 12.50

450 SX-F

.A.WO

56-W107

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

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

*Please visit our website for current prices E39

E-mail: sales@oro2u.com

www.oro2u.com

Made with FlippingBook - Online magazine maker