WISECO 653M04000 Piston Kit 40.00/Std for Yamaha PW 50

The WISECO 653M04000 Piston Kit 40.00/Std is designed for the 1981–1990 Yamaha PW 50. This forged piston is manufactured from high-silicon, low-expansion aluminum to provide strong performance, reduced weight, improved heat transfer, and extended service life.

A diamond-turned finish produced on CNC computer-controlled turning centers helps deliver a consistent, precise surface with no size variation. The piston can be installed in today’s cylinder bore compositions, supporting both high-performance racing applications and recreational riding.

WISECO’s computerized manufacturing facility produces forged pistons for riders seeking dependable performance and quality construction. The 653M04000 part number identifies this Piston Kit 40.00/Std for compatible Yamaha PW 50 models from 1981 through 1990.

Features:

• Forged from high-silicon, low-expansion aluminum for strength, reduced weight, improved heat transfer, and longer life
• Diamond-turned finish produced using CNC computer-controlled turning centers
• Consistent finish with no size variation
• Compatible with today’s cylinder bore compositions
• Fits 1981–1990 Yamaha PW 50 models
• Brand: WISECO
• Part number: 653M04000

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