Wossner
Piston Kits
YAMAHA 4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
TTR 125
2001 - 18 54mm All Years 60mm 1999 - 04 70mm 2005 - 20 70mm 1996 - 06 73mm
.A.WO
.WO .WO
– – – – – – – – – – – – – – – – – – – – – – – – – – – – –
56-W197 56-W063
56-R269
56-701 56-701 56-732 56-732
56-0151 56-0151 56-0152 56-0152
XT 125
+00A.WO
TT-R 225 TT-R 230 TT-R 250
+00A.WO +00A.WO
.WO .WO
56-W1030 56-W1030
56-R349 56-R349 56-R277 56-R211
+00A.WO
56-7937.WO
.WO .WO
56-W198
56-0153 56-0160
XT250 Dual Sport
2013 - 20
.A.WO
.WO
56-W4950 56-W4738
56-7972 56-7925
WR 250F Comp. 12.5:1
2001 - 04 77mm 2001 - 04 77mm 2005 - 13 77mm 2005 - 13 77mm 2015 - 17 77mm 2015 - 17 77mm 2018 - 19 77mm 2020 - 23 77mm 2001 - 04 77mm 2001 - 04 77mm 2005 - 07 77mm 2005 - 07 77mm 2008 - 13 77mm 2008 - 13 77mm 2014 - 15 77mm 2014 - 15 77mm 2016 - 18 77mm 2016 - 18 77mm 2019 - 23 77mm 2017 - 19 77mm 2020 - 23 77mm 2008 - 12 77mm 2008 - 12 77mm 1985 - 88 86mm 1985 - 00 86mm
+00A.WO
.WO .WO
.WO.44
.WO .WO
56-R407 56-R407
56-0152 56-0152
Hi-Comp. 13.3:1
+00A.WO +00A.WO
.WO .WO
56-W022 56-W189 56-W188
56-7981 56-7981
WR 250F Comp. 12.5:1
.3.WO
.WO .WO
56-R407 56-R407
56-0152 56-0152
Hi-Comp. 13.5:1
.A.WO
.WO .WO
.WO.44
56-7925 56-7945
WR 250F Comp. 13.7:1
.A.WO .A.WO .A.WO .A.WO
.WO .WO
.WO .WO
56-W4961 56-W4962 56-W4966 56-W8812 56-W4738
56-R407
56-0152 56-0152
Hi-Comp. 14.5:1
.WO .WO
56-R407 56-R327
56-7945 56-7981
WR 250F Comp 13.7:1
.WO .WO
.WO .WO
56-0152 56-0152
WR 250F
.WO .WO
56-R327 56-R407
56-7981 56-7925
YZ 250F Comp. 12.5:1
+00A.WO
.WO.44
.WO .WO
56-0152 56-0152
Hi-Comp. 13.3:1
+00A.WO +00A.WO
.WO
.WO .WO
56-W022 56-W189 56-W188 56-W240 56-W241
56-R407 56-R407
56-7981 56-7981
YZ 250F Comp. 12.5:1
.3.WO
.WO .WO
56-0152 56-0152
Hi-Comp. 13.5:1
.A.WO
.WO .WO
.WO.44
56-R407 56-R407
56-7925 56-7981
YZ 250F Comp. 13.5:1
+00A.WO +00A.WO
.WO .WO
.WO .WO
56-0152 56-0152
Hi-Comp. 14.1:1
.WO .WO
56-R407 56-R407
56-7981 56-7945
YZ 250F Std. Comp. 13.7:1
.A.WO .A.WO .A.WO
.WO .WO
.WO .WO
56-W4961 56-W4962 56-W4966 56-W4966 56-W8812 56-W4966 56-W8812
56-0152 56-0152
Hi-Comp. 14.5:1
.WO .WO
56-R407 56-R327
56-7945 56-7945
YZ 250F Comp. 13.7:1
.WO .WO
.WO .WO
56-0152 56-0152
Hi-Comp. 14.4:1
.A.WO.HC
.WO .WO
56-R327 56-R327
56-7981 56-7981
YZ 250F Std. Comp. 13.7:1 YZ 250FX Comp 13.7:1
.A.WO .A.WO .A.WO
.WO .WO
.WO .WO
56-0152 56-0152
.WO .WO
56-R327 56-R327
56-7981 56-7981 56-7972 56-7972
YZ 250FX
.WO
.WO .WO
56-0152 56-0160
WR 250X Comp. 11.8:1
+00A.WO
.WO
56-W238 56-W239
56-R407
Hi-Comp. 13.5:1
.A.WO
.WO .WO
.WO
56-R407 56-R483
56-0160 56-0154 56-0154
TT 350 XT 350
+00.W +00.W
.WO .WO
56-W4674 56-W4674
56-7934 56-7934
.WO
56-R483
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!
Wossner Piston Kits 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.
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com E45
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