Wossner Piston Kit Yamaha IT250 1983 & YTZ250 Tri-Z 1985-1986 | 8175D Piston Size:68.94mm (+1.00 Oversize) Extra-thick material for durability

Extra-thick material for durability

UV resistant materials

and it’s even 10-speed compatible

Due to limited space between the cylinder head and upper frame rails

- Rear brake reservoir cover

Wossner Piston Kit Yamaha IT250 1983 & YTZ250 Tri-Z 1985-1986 | 8175D Piston Size:68.94mm (+1.00 Oversize) Extra-thick material for durabilityWossner 8179D050 70. 44mm +0. 50mm Piston Kit fits Yamaha MX DT TY YZ IT 250 Models Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance Optimized machining for lightness, as well as maintained strength in key areas such as crown and skirt wall cross section Forged from aerospace grade aluminum alloy Piston kits includes piston, rings, pin and clips