Restore reliable engine performance with the PROX 01.2005.000 Standard 40.00 mm Piston Kit. Designed for direct interchange with original equipment parts, this piston kit provides a practical replacement solution for Yamaha PW50 applications while helping reduce replacement costs compared with OEM components. The kit is engineered for dependable fit and function in the vehicle’s original engine configuration.
This PROX piston kit includes the piston, piston rings, wrist pin, and retaining clips needed for installation. Its standard-size specification is intended for compatible, unmodified cylinder bores requiring a standard replacement piston. Verify engine condition, bore specification, and service requirements before installation to ensure proper fitment and performance.
Manufacturer and vendor part number: PROX 01.2005.000. This standard 40.00 mm piston kit fits Yamaha PW50 models from 1981 through 1990, including 1981 Yamaha PW50, 1982 Yamaha PW50, 1983 Yamaha PW50, 1984 Yamaha PW50, 1985 Yamaha PW50, 1986 Yamaha PW50, 1987 Yamaha PW50, 1988 Yamaha PW50, 1989 Yamaha PW50, and 1990 Yamaha PW50. Always compare the original component and confirm model-year compatibility before ordering.
Feature: Direct interchange with compatible OEM parts
Feature: Standard 40.00 mm piston size
Feature: Complete kit includes piston, rings, wrist pin, and clips
Feature: Designed for Yamaha PW50 fitment from 1981-1990
Feature: Cost-effective alternative to OEM replacement components
Features:
- Direct interchange with compatible OEM parts
- Standard 40.00 mm piston size
- Complete kit includes piston, rings, wrist pin, and retaining clips
- Fits Yamaha PW50 models from 1981 through 1990
- Cost-effective alternative to OEM replacement components
Fitment:
1981 Yamaha PW 50
1982 Yamaha PW 50
1983 Yamaha PW 50
1984 Yamaha PW 50
1985 Yamaha PW 50
1986 Yamaha PW 50
1987 Yamaha PW 50
1988 Yamaha PW 50
1989 Yamaha PW 50
1990 Yamaha PW 50
1991 Yamaha PW 50
1992 Yamaha PW 50
1993 Yamaha PW 50
1994 Yamaha PW 50
1995 Yamaha PW 50
1996 Yamaha PW 50
1997 Yamaha PW 50
1998 Yamaha PW 50
1999 Yamaha PW 50
2000 Yamaha PW 50
2001 Yamaha PW 50
2002 Yamaha PW 50
2003 Yamaha PW 50
2004 Yamaha PW 50
2005 Yamaha PW 50
2006 Yamaha PW 50
2007 Yamaha PW 50
2008 Yamaha PW 50
2009 Yamaha PW 50
2012 Yamaha PW 50
2013 Yamaha PW 50
2014 Yamaha PW 50
2015 Yamaha PW 50
2016 Yamaha PW 50
2017 Yamaha PW 50
2018 Yamaha PW 50
2019 Yamaha PW 50
2020 Yamaha PW 50
2021 Yamaha PW 50
2022 Yamaha PW 50
2023 Yamaha PW 50
2024 Yamaha PW 50
2025 Yamaha PW 50
2026 Yamaha PW 50