WOSSNER Piston Kit, 70.44 mm, is forged from aerospace-grade aluminum alloy and designed to balance lightness with maintained strength in key areas, including the crown and skirt wall cross section. Optimized machining supports reduced weight while retaining the strength needed for the piston’s operating areas.
The piston features a permanent skirt coating intended to reduce friction and piston rock for quieter operation and improved performance. The kit includes the piston, rings, pin and clips.
This WOSSNER piston kit fits select Yamaha applications, including the 1973 Yamaha MX250; 1974 Yamaha DT250 and TY250; 1975 Yamaha DT250, MX250 and TY250; 1976 Yamaha TY250; and 1978 Yamaha DT250, TY250 and YZ250. Distributor part number: 09105570. Manufacturer part number: 8179D050.
Features:
- Brand: WOSSNER
- Product: Piston Kit
- Size: 70.44 mm
- Material: Forged aerospace-grade aluminum alloy
- Skirt Coating: Permanent coating designed to reduce friction and piston rock
- Machining: Optimized for lightness while maintaining strength in key areas
- Included Components: Piston, rings, pin and clips
- Fitment: Select 1973–1978 Yamaha DT250, MX250, TY250 and YZ250 applications
- Distributor Part Number: 09105570
- Manufacturer Part Number: 8179D050
Fitment:
1972 Yamaha Dt2
1973 Yamaha Dt3
1973 Yamaha Mx250
1974 Yamaha Dt250
1974 Yamaha Mx250
1974 Yamaha Ty250
1975 Yamaha Dt250
1975 Yamaha Mx250
1975 Yamaha Ty250
1976 Yamaha Dt250
1976 Yamaha Ty250
1977 Yamaha Dt250
1977 Yamaha Ty250
1978 Yamaha Dt250
1978 Yamaha It250
1978 Yamaha Ty250
1978 Yamaha YZ250
1979 Yamaha Dt250
1979 Yamaha It250
1979 Yamaha YZ250
1980 Yamaha It250