Quality and construction that meets or exceeds OEM
Feature improved E-clip design
Contain piston, rings, pin and clips
Additional rings available separately
Order one per cylinder
Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce heat and friction for added power and longevity
MOS2 coating actually draws heat through piston walls and out the bottom
Specially hardened tops add strength to ring grooves

More Information
Manufacturer SKU	50-540K
Manufacturer:	Wsm
Department	PAM-PU
Show Stock	Yes
Riding Style	ATV
California Restricted Product:	No

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You're reviewing:Piston Kit - Yamaha 350 - Standard 50-540K

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Year	Make	Model
2007-2009	Yamaha	YFM 250 Big Bear
1987-2004	Yamaha	YFM 350 X Warrior

Piston Kit - Yamaha 350 - Standard 50-540K