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Product description
The Wiseco Forged Series Top End Kit For Yamaha PW50 1982-2020 Standard is part of the latest collection from Wiseco.
Features:
- Dedicated forgings and additional lightening operations allow for optimized strength to weight ratio
- Designed and built for each specific 2-stroke engine
- Engineered, forged and machined in the USA
- Kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets Kit Includes: • Forged Series Piston • Ring Set • Wrist Pin • Circlip • Bearing • Gaskets
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 40.00 mm
- Cooling System: Air Cooled
- Displacement: 49 cc
- Engine Type: 2-Stroke
- Model: Forged Series
- Piston Diameter Metric: 39.96 mm
- Piston Diameter: 39.96 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston with Gaskets Kit
- Skirt Coating: Non-Coated
To fit:
- YAMAHA PW 50 1983 All Models
- YAMAHA PW 50 1985 All Models
- YAMAHA PW 50 1986 All Models
- YAMAHA PW 50 1987 All Models
- YAMAHA PW 50 1988 All Models
- YAMAHA PW 50 1991 All Models
- YAMAHA PW 50 1992 All Models
- YAMAHA PW 50 1993 All Models
- YAMAHA PW 50 1994 All Models
- YAMAHA PW 50 1995 All Models
- YAMAHA PW 50 1996 All Models
- YAMAHA PW 50 1997 All Models
- YAMAHA PW 50 1998 All Models
- YAMAHA PW 50 1999 All Models
- YAMAHA PW 50 2000 All Models
- YAMAHA PW 50 2001 All Models
- YAMAHA PW 50 2002 All Models
- YAMAHA PW 50 2003 All Models
- YAMAHA PW 50 2004 All Models
- YAMAHA PW 50 2005 All Models
- YAMAHA PW 50 2006 All Models
- YAMAHA PW 50 2007 All Models
- YAMAHA PW 50 2008 All Models
- YAMAHA PW 50 2010 All Models
- YAMAHA PW 50 2011 All Models
- YAMAHA PW 50 2012 All Models
- YAMAHA PW 50 2013 All Models
- YAMAHA PW 50 2014 All Models
- YAMAHA PW 50 2015 All Models
- YAMAHA PW 50 2016 All Models
- YAMAHA PW 50 2017 All Models
- YAMAHA PW 50 2018 All Models
- YAMAHA PW 50 2019 All Models
- YAMAHA PW 50 2020 All Models
- YAMAHA PW 50 1982 All Models
Manufacturer part number: PK1157
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco Forged Series Top End Kit For Yamaha PW50 1982-2020 Standard
To fit:
- YAMAHA PW 50 1982 All Models
- YAMAHA PW 50 1983 All Models
- YAMAHA PW 50 1985 All Models
- YAMAHA PW 50 1986 All Models
- YAMAHA PW 50 1987 All Models
- YAMAHA PW 50 1988 All Models
- YAMAHA PW 50 1991 All Models
- YAMAHA PW 50 1992 All Models
- YAMAHA PW 50 1993 All Models
- YAMAHA PW 50 1994 All Models
- YAMAHA PW 50 1995 All Models
- YAMAHA PW 50 1996 All Models
- YAMAHA PW 50 1997 All Models
- YAMAHA PW 50 1998 All Models
- YAMAHA PW 50 1999 All Models
- YAMAHA PW 50 2000 All Models
- YAMAHA PW 50 2001 All Models
- YAMAHA PW 50 2002 All Models
- YAMAHA PW 50 2003 All Models
- YAMAHA PW 50 2004 All Models
- YAMAHA PW 50 2005 All Models
- YAMAHA PW 50 2006 All Models
- YAMAHA PW 50 2007 All Models
- YAMAHA PW 50 2008 All Models
- YAMAHA PW 50 2010 All Models
- YAMAHA PW 50 2011 All Models
- YAMAHA PW 50 2012 All Models
- YAMAHA PW 50 2013 All Models
- YAMAHA PW 50 2014 All Models
- YAMAHA PW 50 2015 All Models
- YAMAHA PW 50 2016 All Models
- YAMAHA PW 50 2017 All Models
- YAMAHA PW 50 2018 All Models
- YAMAHA PW 50 2019 All Models
- YAMAHA PW 50 2020 All Models

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.
Product description
The Wiseco Forged Series Top End Kit For Yamaha PW50 1982-2020 Standard is part of the latest collection from Wiseco.
Features:
- Dedicated forgings and additional lightening operations allow for optimized strength to weight ratio
- Designed and built for each specific 2-stroke engine
- Engineered, forged and machined in the USA
- Kit includes piston(s), ring set, wrist pin(s), circlips, bearing(s) and gaskets Kit Includes: • Forged Series Piston • Ring Set • Wrist Pin • Circlip • Bearing • Gaskets
Specifications:
- Bore - Oversize Metric: Standard
- Bore - Oversize: Standard
- Bore Size: 40.00 mm
- Cooling System: Air Cooled
- Displacement: 49 cc
- Engine Type: 2-Stroke
- Model: Forged Series
- Piston Diameter Metric: 39.96 mm
- Piston Diameter: 39.96 mm
- Piston Material: 4032 Aluminum Alloy
- Product Name: Piston with Gaskets Kit
- Skirt Coating: Non-Coated
To fit:
- YAMAHA PW 50 1983 All Models
- YAMAHA PW 50 1985 All Models
- YAMAHA PW 50 1986 All Models
- YAMAHA PW 50 1987 All Models
- YAMAHA PW 50 1988 All Models
- YAMAHA PW 50 1991 All Models
- YAMAHA PW 50 1992 All Models
- YAMAHA PW 50 1993 All Models
- YAMAHA PW 50 1994 All Models
- YAMAHA PW 50 1995 All Models
- YAMAHA PW 50 1996 All Models
- YAMAHA PW 50 1997 All Models
- YAMAHA PW 50 1998 All Models
- YAMAHA PW 50 1999 All Models
- YAMAHA PW 50 2000 All Models
- YAMAHA PW 50 2001 All Models
- YAMAHA PW 50 2002 All Models
- YAMAHA PW 50 2003 All Models
- YAMAHA PW 50 2004 All Models
- YAMAHA PW 50 2005 All Models
- YAMAHA PW 50 2006 All Models
- YAMAHA PW 50 2007 All Models
- YAMAHA PW 50 2008 All Models
- YAMAHA PW 50 2010 All Models
- YAMAHA PW 50 2011 All Models
- YAMAHA PW 50 2012 All Models
- YAMAHA PW 50 2013 All Models
- YAMAHA PW 50 2014 All Models
- YAMAHA PW 50 2015 All Models
- YAMAHA PW 50 2016 All Models
- YAMAHA PW 50 2017 All Models
- YAMAHA PW 50 2018 All Models
- YAMAHA PW 50 2019 All Models
- YAMAHA PW 50 2020 All Models
- YAMAHA PW 50 1982 All Models
Manufacturer part number: PK1157
View all Wiseco. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Wiseco Forged Series Top End Kit For Yamaha PW50 1982-2020 Standard
To fit:
- YAMAHA PW 50 1982 All Models
- YAMAHA PW 50 1983 All Models
- YAMAHA PW 50 1985 All Models
- YAMAHA PW 50 1986 All Models
- YAMAHA PW 50 1987 All Models
- YAMAHA PW 50 1988 All Models
- YAMAHA PW 50 1991 All Models
- YAMAHA PW 50 1992 All Models
- YAMAHA PW 50 1993 All Models
- YAMAHA PW 50 1994 All Models
- YAMAHA PW 50 1995 All Models
- YAMAHA PW 50 1996 All Models
- YAMAHA PW 50 1997 All Models
- YAMAHA PW 50 1998 All Models
- YAMAHA PW 50 1999 All Models
- YAMAHA PW 50 2000 All Models
- YAMAHA PW 50 2001 All Models
- YAMAHA PW 50 2002 All Models
- YAMAHA PW 50 2003 All Models
- YAMAHA PW 50 2004 All Models
- YAMAHA PW 50 2005 All Models
- YAMAHA PW 50 2006 All Models
- YAMAHA PW 50 2007 All Models
- YAMAHA PW 50 2008 All Models
- YAMAHA PW 50 2010 All Models
- YAMAHA PW 50 2011 All Models
- YAMAHA PW 50 2012 All Models
- YAMAHA PW 50 2013 All Models
- YAMAHA PW 50 2014 All Models
- YAMAHA PW 50 2015 All Models
- YAMAHA PW 50 2016 All Models
- YAMAHA PW 50 2017 All Models
- YAMAHA PW 50 2018 All Models
- YAMAHA PW 50 2019 All Models
- YAMAHA PW 50 2020 All Models

Wiseco is a renowned brand in motocross and enduro, specializing in high-performance parts. Their pistons, crankshafts, and engine parts are trusted by riders worldwide for durability and power enhancement. With a history of engineering excellence, Wiseco continues to provide top-notch products that push the limits of off-road motorcycle racing.































