Piston Kits
Wossner
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.
YAMAHA 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125
1985
56.5mm
+050.WO +000.WO +00A.WO +00A.WO +00A.WO
.WO.41 .WO.41 .WO.41 .WO.41 .WO.41
.WO .WO .WO .WO .WO
.WO .WO .WO .WO .WO .WO .WO* .WO .WO .WO .WO .WO
56-W503 56-W559 56-W582 56-W629 56-W647 56-W693 56-W726 56-W797 56-W845 56-W899 56-W845 56-W899 56-W254 56-W375 56-W374 56-W599 56-W195 56-W599 56-W234 56-W234 56-W452 56-W196 56-W234 56-W234 56-W605 56-W677 56-W234 56-W452 56-W560 56-W605 56-W677 56-W742
56-R432 56-R431 56-R431 56-R431 56-R405 56-R405 56-R405 56-R405 56-R405 56-R405 56-R405 56-R405
56-7925 56-7925 56-7925 56-7925 56-7925 56-783 56-783 56-783 56-783 56-783 56-783 56-783
56-0152 56-0152 56-0152 56-0152 56-0152 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151
56-820 56-820 56-820 56-820 56-820 56-836 56-836 56-814 56-814 56-814 56-814 56-814 56-806 56-832 56-806 56-801 56-801 56-801 56-809 56-801 56-809 56-809 56-801 56-801 56-809 56-809 56-809 56-801 56-801 56-801 56-801 56-832 56-832 56-801 56-801 56-801 56-809 56-809 56-809 56-809 56-809 56-809
1986 - 88 56mm
1989
56mm
1990 - 93 56mm 1994 - 96 54mm
+P0.1.WO +P0.1.WO +P0.1.WO +P0.1.WO +P0.1.WO
1997
54mm
.A.WO .A.WO .A.WO .A.WO .A.WO .A.WO .A.WO
.WO .WO .WO .WO .WO .WO .WO
1998 - 01 54mm 2002 - 04 54mm 2005 - 21 54mm 2022 - 23 54mm 2020 - 22 54mm
+P0.1.WO x2
YZ 125 X YZ 125 X
+P0.1.WO
2023
54mm
+P0.1.WO x2
DT 175 DT 175
1979 - 81 66mm 1982 - 10 66.5mm 1976 - 81 66mm 1988 - 91 66mm 1984 - 86 66mm 1992 - 98 66.8mm 1974 - 79 70mm 1978 - 80 70mm 1981 - 82 70mm
.000.WO +0.50.WO .000.WO
.WO
.WO .WO
.WO .WO
– – –
56-R480 56-R355
56-7923 56-7923
56-0152 56-0152
.WO_1.00
IT / YZ 175 DT 200/R
.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-R480 56-R480 56-R480 56-R281 56-R487 56-R487 56-R487 56-R500
56-7923 56-7923 56-7923 56-7923 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924
56-0152 56-0152 56-0152 56-0152 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153
+000
.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO
IT 200
+00A.WO
WR 200 DT 250
+080
+000.WO +000.WO +000.WO +00A.WO +000.WO +000.WO +000.WO
IT 250 IT 250 IT 250
1983
68mm
MC 250 TY 250 WR 250 WR 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250
1973 - 75 70mm 1974 - 78 70mm 1988 - 91 68mm 1992 - 99 68mm 1976 - 79 70mm 1980 - 82 70mm 1983 - 87 68mm 1988 - 91 68mm 1992 - 98 68mm 1999 - 23 66.4mm 1999 - 23 66.4mm 1999 - 23 66.4mm 1999 - 23 66.4mm 1973 - 90 64mm 1976 - 82 64mm 1975 - 78 85mm 1975 - 76 85mm 1977 - 78 86mm 1977 - 78 86mm 1981 - 82 85mm 1981 - 82 85mm 1983 - 84 87mm 1982 - 83 87mm 1984 - 90 87mm 1992 - 93 87mm
.WO .WO .WO .WO .WO .WO .WO .WO .WO
56-R487 56-R487 56-R500 56-R500 56-R487 56-R487 56-R500 56-R500
.WO
+000.WO +000.WO +000.WO +000.WO
.A.WO
.WO .WO .WO .WO
.WO .WO .WO .WO
56-R500 56-R420
56-7924 56-7924 56-7924 56-7924
56-0153 56-0152 56-0152 56-0152
YZ 250 1-Ring
.A.WO.1R
.1.WO .2.WO
2-Ring
.A.WO
56-W742 56-W742 56-W742 56-W513 56-W513 56-W549 56-W549 56-W550 56-W550 56-W551 56-W551 56-W478 56-W478
56-R420 56-R420 56-R420 56-R355 56-R355 56-R574 56-R574 56-R575
YZ 250 X 1-Ring
.A.WO.1R
.1.WO .2.WO
2-Ring
.A.WO
.WO .WO .WO
.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO .WO
56-7924 56-7923 56-7923 56-7948 56-7948 56-7948 56-7948 56-7948 56-7948 56-7948 56-7948 56-7948 56-7948
56-0152 56-0152 56-0152 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153 56-0153
RD 350 RD 400 DT 400 MX 400 YZ 400 IT 425 IT 465 YZ 465 IT 490 YZ 490 YZ 490 WR 500
+00A.WO +00A.WO
.WO .WO .WO .WO .WO .WO .WO .WO .WO .WO
.A.WO .A.WO
_1.00.WO _1.00.WO
–
56-R575 56-R574 56-R574 56-R576 56-R576 56-R371 56-R371
.A.WO .A.WO
.WO .WO .WO .WO .WO .WO
+0.00.WO +0.00.WO
.00.A.WO .00.A.WO
56-W4815 56-W4815
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 Note when ordering a small end bearing for a 2001 YZ125, you will need to order Part No.
56-814
*Please visit our website for current prices E44
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
Made with FlippingBook - Online magazine maker