Wiseco Piston Kit for 2001 05 Polaris Scrambler Sportsman 90 52.00mm Cylinder 839M05200 1999 Yamaha YZF600R Limits of Responsibility Limits of Responsibility Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Winderosa Top End Gasket Set Part Number 810852 Fitment Type Unit Sale Qty Set Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer 4 stroke race applications feature Wiseco's Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower These kits contain everything you need to complete your piston repair