PISTON KIT 40mm 81-21 YAMAHA PW50 18U-11631-00-A0 18U-11631-00-A0

Piston Kit

Compatible Models:

• YAMAHA PW50 1981-2021

Specifications:

• Piston Diameter: 40mm
• Piston Height: 50mm
• Piston Pin Length: 33mm (1.29")
• Piston Pin Outer Diameter: 10mm

Package Included:

• 1 x Piston
• 2 x Piston Rings
• 1 x Piston Pin
• 1 x Small End Bearing
• 2 x Circle Clips

Features:

• Unmatched reliability and performance from high-tech materials.
• Meets or exceeds OEM quality.
• Direct OEM replacement.
• Please see image before ordering to avoid mistakes.
• Best value for money.
• Easy to install but if unsure please use a professional

Cross reference numbers ONLY:

• PROX 01.2005.000
• Piston (Std) 18U-11631-00-A0, 4J2-11631-00-A0
• Piston Pin 3L5-11633-00-00
• Piston Ring Set (Std) 260-11610-04-00, 260-11601-03-00
• Circlip 93450-11021-00
• [18U-11631-00-A0, 18U-11631-00-A0, 260-11601-03-00, 93450-11021-00]

Fitment:

• 1982 MJ50J - Crankshaft - Piston
• 1979 QT50F - Crank-Piston
• 1980 LC50G - Crankshaft-Piston
• 1980 QT50 - Crankshaft-Piston
• 1980 QT502G - Crankshaft-Piston
• 1980 QT50G - Crank-Piston
• 1981 PW50H - Crankshaft - Piston
• 1981 QT50H - Crankshaft-Piston
• 1982 PW50J - Crankshaft - Piston
• 1982 QT50J - Crankshaft - Piston
• 1983 PW50K - Crankshaft-Piston
• 1983 QT50K - Crankshaft - Piston
• 1984 YAMAHOPPER (QT50L) - Crankshaft - Piston
• 1985 Y-ZINGER (PW50N) - Crankshaft-Piston
• 1985 YAMAHOPPER (QT50N) - Crankshaft - Piston
• 1986 Y-ZINGER (PW50S) - Crankshaft - Piston
• 1986 YAMAHOPPER (QT50S) - Crankshaft - Piston
• 1987 Y-ZINGER (PW50T) - Crankshaft - Piston
• 1987 YAMAHOPPER (QT50T) - Crankshaft - Piston
• 1990 Y-ZINGER (PW50A) - Crankshaft - Piston
• 1991 Y-ZINGER (PW50B) - Crankshaft - Piston
• 1992 Y-ZINGER (PW50D) - Crankshaft - Piston
• 1993 Y-ZINGER (PW50E) - Crankshaft - Piston
• 1994 Y-ZINGER (PW50F) - Crankshaft - Piston
• 1995 Y-ZINGER (PW50G) - Crankshaft - Piston
• 1996 Y-ZINGER (PW50H1) - Crankshaft Piston
• 1997 Y-ZINGER (PW50J1) - Crankshaft Piston
• 1998 Y-ZINGER (PW50K1) - Crankshaft Piston
• 1999 YZINGER (PW50L1) - Crankshaft Piston
• 2000 YZINGER (PW50M1) - Crankshaft - Piston
• 2001 PW50 (PW50N1) - Crankshaft. Piston
• 2002 PW50 (PW50P) - Crankshaft Piston
• 2003 PW50 (PW50R) - Crankshaft Piston
• 2004 PW50 (PW50S1) - Crankshaft Piston
• 2005 PW50 (PW50T1) - Crankshaft Piston
• 2006 PW50 (PW50V) - Crankshaft Piston
• 2007 PW50 (PW50W) - Crankshaft Piston
• 2008 PW50 (PW50X) - Crankshaft Piston
• 2009 PW50 (PW50Y) - Crankshaft Piston
• 2012 PW50 (PW50B1) - Crankshaft Piston
• 2013 PW50 (PW50D1) - Crankshaft Piston
• 2014 PW50 (PW50E1) - Crankshaft Piston
• 2015 PW50 (PW50F1) - Crankshaft Piston
• 2016 PW50 (PW50G2) - Crankshaft Piston
• 2017 PW50 (PW50H2) - Crankshaft Piston
• 2018 PW50 (PW50J2) - Crankshaft Piston
• 2019 PW50 (PW50K2) - Crankshaft Piston
• 2020 PW50 (PW50L2) - Crankshaft Piston
• 2021 PW50 (PW50M2) - Crankshaft Piston