- 2-stoke pistons include piston, rings, pin and clips
- Piston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance
- 4032 T6 Forged Aluminum Alloy
- German Engineered from Wossner?s own designs and forgings
- Use FEA (computer simulation) to fine tune every design
- T6 Heat Treated for heat resistance & durability for high-load use
Yamaha -- SRV 540 -- (1983, 1986, 1987, 1990, 1985, 1988, 1989, 1984); Yamaha -- VK 540 -- (1990, 1989, 1988, 1991, 2007, 2021, 2022, 1994, 2003, 1999, 2006, 2000, 2002, 2004, 2018, 1995, 1998, 2005, 2019, 1992, 1996, 1997, 2017, 1993, 2001, 2020); Yamaha -- SR 540 -- (1980, 1981, 1982, 1991, 1986, 1983, 1988, 1989, 1990, 1985, 1984, 1987); Yamaha -- XL-V 540 -- (1990, 1989, 1985, 1986, 1987, 1988); Yamaha -- EC 540 -- (1979, 1980)