Wossner
Piston Kits
TM 2-Stroke Models
Years
Size
Piston Kit 56-W4957
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
2008 - 23 47.85mm 1992 - 23 54mm
85 MX
.A.WO
.WO
– – – – – – – – – – – – – –
56-R386 56-R405
56-7962
56-006
125 Cross / Enduro 125 Cross / Enduro
.A.WO
+P0.1.WO
.WO
56-W016
56-783
56-0151 56-0151
2020
54mm
.A.WO
.WO
56-W8823
56-R408 56-R431
144
2008 - 19 56mm
.A.WO .A.WO .A.WO
.WO
56-W228 56-W021 56-W020
56-783
56-0151 56-0153 56-0153
250 Cross / Enduro Domed (1-Ring) 1999 - 19 66.4mm
.1.WO .2.WO
.WO .WO
.WO .WO
56-R420 56-R420 56-R420
56-7924 56-7924
Domed (2-Ring) 1999 - 19 66.4mm
2020 - 23 66.4mm 1997 - 01 72mm 2008 - 09 72mm 2008 - 09 72mm 1997 - 01 72mm 2002 - 19 72mm 2002 - 19 72mm 2020 - 23 72mm
.WO .WO .WO .WO .WO .WO .WO
.WO .WO .WO .WO .WO .WO .WO .WO
250 MX/EN 300 Cross
.A.WO
.1.WO x2
56-7924 56-7924 56-7924 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-W8818
.00A
56-W158 56-W032
56-R372 56-R372 56-R101 56-R372 56-R372 56-R101 56-R372
.A.WO
300 Cross Exhaust Bar (1-Ring)
.00B.WO
.WO
56-W9920
Exhaust Bar (2-Ring)
300 Enduro
.00A
56-W158 56-W032
.A.WO
300 Enduro Exhaust Bar (1-Ring)
.00B.WO
.WO
56-W9920 56-W8819
Exhaust Bar (2-Ring)
300 MX/EN
.A.WO
56-785
4-Stroke Models 250F Cross / Enduro
Years
Size
Piston Kit
Piston Rings 56-R553.WO
Piston Pin
Piston Clips
Small End Bearing
2007 - 10 77mm
.WO.A .A.WO
.WO .WO .WO
.WO .WO .WO
– – – – – – – – –
56-W033 56-W044
56-7931 56-7931 56-7931 56-7926 56-7926 56-7926 56-7926 56-7926 56-7926
56-0152 56-0152 56-0152 56-0154 56-0154 56-0154 56-0154 56-0154 56-0154
250F Cross / Enduro (Fuel Injection)
2010
77mm
.WO .WO
56-R407 56-R407
2011 - 12 77mm
.A.WO
MX / EN 250F (Fuel Injection)
56-W4958
450F Cross / Enduro 450F Cross / Enduro
2004
95mm
.A.WO .WO.A
.WO .WO
56-W026 56-W038
56-R554 56-R554
2005 - 08 95mm 2009 - 11 95mm 2011 - 20 95mm 2011 - 20 95mm 2003 - 12 98mm
MX 450F MX 450Fi EN 450Fi
.A.WO .A.WO .A.WO
.WO .WO
56-W4960 56-W4960 56-W4960
56-R554 56-R554
.WO .WO
56-R554 56-R555
530 Cross / Enduro
56-W034.WO.A
VOR 4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
VOR 450 VOR 503 VOR 530
2004 - 07 97mm 2000 - 02 95mm
56-W062.A.WO
.WO .WO .WO
.WO .WO .WO
– – –
56-R307 56-R305 56-R307
56-7927 56-7927 56-7927
56-0155 56-0155 56-0155
.A
.WO
56-W060
2002 - 07 97mm 56-W061
YAMAHA 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
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
+000_WO
.WO .WO
.WO
.WO .WO .WO .WO .WO .WO .WO .WO .WO
56-W938
56-R573 56-R317
56-7979
56-011 56-005 56-005 56-005 56-005 56-005 56-005 56-005 56-005 56-0150 56-0150 56-0150 56-0151 56-0152 56-0152 56-0152 56-0152 56-0152 56-0152
.A.WO
.WO
56-W9991
56-709
+000.WO +000.WO +000.WO +000.WO +000.WO +000.WO +000.WO +0.00.WO +00A.WO
.WO .WO .WO .WO .WO .WO .WO .WO .WO
.WO .WO
56-W939 56-W457 56-W465 56-W477 56-W508 56-W520 56-W569 56-W671 56-W646 56-W805
56-R905 56-R527 56-R527 56-R905 56-R386 56-R386 56-R386 56-R556 56-R905 56-R352 56-R580 56-R365 56-R365 56-R365 56-R365 56-R432 56-R431
56-7903 56-709 56-709 56-709 56-709 56-709 56-709 56-7930 56-7930 56-7930 56-7925 56-7925 56-7925 56-7925 56-7925 56-7925
56-827 56-827 56-7992 56-7992 56-811 56-811 56-811 56-7995 56-7995 56-7995 56-836 56-806 56-806 56-806 56-820 56-820 56-820
.WO .WO .WO .WO .WO .WO
1981
49mm
.WO .WO
1982 - 83 47mm
1984
48mm
.WO .WO .WO
1985 - 87 48mm 1988 - 92 48mm 1993 - 01 46mm 1993 - 01 47mm 2002 - 23 47.5mm 1982 - 83 50mm 1975 - 82 56mm 1986 - 06 56mm 1992 - 98 56mm 1976 - 82 56mm
YZ 80 International Bore
.WO .WO .WO
.WO .WO .WO
US Bore
YZ 85
.A.WO
YZ 100
.A.WO
.WO
.WO .WO .WO * .WO .WO .WO .WO
56-W4771
DT 125E/F/MX/LC
.000
.WO.41 .WO.41 .WO.41 .WO.41 .WO.41 .WO.41
.WO .WO .WO .WO .WO .WO
56-W253 56-W224 56-W252 56-W435 56-W503 56-W512
DT 125R/E/X TZR / TDR 125
.000.WO
.000A
YZ 125 YZ 125 YZ 125
+00A.WO +050.WO +000.WO
1983 1984
56.5mm
56mm
*
Will only fit Wossner pistons (Applying to
piston only)
56-806
56-W224
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 E43
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