WSM Big Bore Piston Assembly .40 Yamaha YFZ350 06 50-520-69 mbk-yn-50-r-2005-esi7831662 The very sporty GT503 tread

The very sporty GT503 tread design offers excellent dry and wet grip as well as low wear and tear

Brand WSM Colour/Finish Black Product Name Fuel Valve Features For 5/16" Fuel Line Vendor Part Number 006-604 Base Colour Black Valve Outlet Connector Type 7

Sturdy aluminium handles make it easy to carry the cases and mount them on the vehicle

Optimized 2CT and 2CT + silca compounds with 11% void ratios front and rear deliver tremendous grip in wet conditions

Great for trips

WSM Big Bore Piston Assembly .40 Yamaha YFZ350 06 50-520-69 mbk-yn-50-r-2005-esi7831662 The very sporty GT503 treadCoated with MOS2 for high performance and heat absorption Ported to match WSM Banshee sleeves Fit bores from 64mm to 70. 5mm Piston pin is 5mm higher on long rod pistons to accommodate long rod Made in Germany Brand WSM Bore Size 69,00 mm Bore Oversize +5,00 mm Bore Oversize Metric +5. 00 mm Product Name Piston Kit Piston Material Aluminum Style Big Bore Vendor Part Number 50 520 69