Piston Kits
Wiseco & Wossner
Wiseco Piston Kits (WI) Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue.
Wossner Piston Kits (WO) Wossner are the innovative specialists for high performance pistons. Wossner products are to be found in engines operating at the highest levels of motorsport, in competition and, of course, in everyday use – in fact, anywhere where longevity and operational noise are important factors. Wössner products are the source of the superior power behind the success of well known motor sport teams at national and international race meets.
YAMAHA Models
Years Size Piston Kit
Piston Rings Piston Pin
Piston Clips
Small End Bearing
YFZ1000 Thunderace
1997 - 98 77mm 1999 - 03 74mm
.7700 .7400
56-W9733 56-W9734
YFZ-R1 YFZ-R1 YFZ-R1 YFZ-R1 YFZ-R1 YFZ-R1
2004 - 06 77mm 56-W9735-7700
2004 - 06 77mm 2007 - 08 77mm 2007 - 08 77mm 2009 - 15 78mm 2001 - 05 74mm
.000.WO
.WO
.WO
56-W9876 56-W9736 56-W9901 56-W9902 56-W9734
56-R407
56-0160
.7700
.000.WO .000.WO
FZ1
.7400
FZR 1000R EXUP FZR 1000R EXUP R1 / FZR / RX1 R1 / FZR / RX1
1989 - 96 77mm 56-W9903.150.WO
2017 - 21 77mm 1999 - 03 74mm 2001 - 05 74mm 1978 - 81 74mm
.150.WO
56-W9999 56-W9900 56-W9900 56-W9738 56-W9739 56-W9739 56-W9738 56-W9739 56-W9739 56-W9739 56-W9739 56-W9740 56-W9740
.000 .000
XS 1100 FJ 1100 FJ1100 XS1100 FJ 1200 FJ1200 XJR 1200
.7400 .7800 .7900 .7400 .7800 .7900 .7800 .8100 .95.FR .95.FR
1985
78mm
1995 - 99 79mm 1978 - 81 74mm 1986 - 93 78mm 1995 - 99 79mm 1995 - 99 78mm All Years 81mm 1999 - 03 95mm 1999 - 03 95mm
European XJR 1300
Road Star 1600
VX1600
*Please visit our website for current prices
* Note; Most Kits are available from standard size up to +2.00mm over size *
RE18
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
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