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WSM Performance Parts Piston Kit - +0.50 mm - Original Series 50-544-05K fits Yamaha - Main Product View
WSM Performance Parts Piston Kit - +0.50 mm - Original Series 50-544-05K fits Yamaha - Side View
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WSM Performance Parts Piston Kit - +0.50 mm - Original Series 50-544-05K fits 2001 Yamaha Grizzly 600 YFM600F 4x4 / 2001-2005 Yamaha Raptor 660r YFM660R / 2002-2004 Yamaha Grizzly 660 YFM660F 4x4 / 2005-2006 Yamaha Grizzly 660 YFM660FA 4x4

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

50-544-05K
In stock
$120.10 USD $87.99 USD
$87.99 USD

WSM Performance Parts Piston Kit - +0.50 mm - Original Series 50-544-05K fits 2001 Yamaha Grizzly 600 YFM600F 4x4 / 2001-2005 Yamaha Raptor 660r YFM660R / 2002-2004 Yamaha Grizzly 660 YFM660F 4x4 / 2005-2006 Yamaha Grizzly 660 YFM660FA 4x4
Quality and construction that meets or exceeds OEM. Features improved E-clip design. Contains piston, rings, pin and clips. 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. Additional rings available separately. Order one per cylinder..


This Part Fits:

Year Make Model Submodel
2001 Yamaha Grizzly 600 YFM600F 4x4
2001-2005 Yamaha Raptor 660R YFM660R
2002-2004 Yamaha Grizzly 660 YFM660F 4x4
2005-2006 Yamaha Grizzly 660 YFM660FA 4x4
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