Vertex Forged Replica Piston Kit for 2015 17 Yamaha WR250F 76.96mm 23941B feed mpn 25 1578 Product Details Product Line FMF Product Details Product Line FMF Fatty Pipe Part Number 025069 Fitment Type Model Specific Fitment Use Type Unit Sale Qty Style Size Position Material Color Finish Exhaust Configuration Muffler Size Muffler End Tip Style California Emissions FALSE Product Disclaimer Returning because of clearance dents is NOT a valid reason for return DO NOT RETURN BECAUSE OF CLEARANCE DENTS Fitment Note Expansion Head Pipes often require clearance dents to allow for installation Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Big Gun Exhaust EXO Series Part Number 13 5462 Fitment Type Unit Sale Qty Each 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 TRUE Product Disclaimer 2016 Yamaha WR250F or C pistons match your cylinder bore perfectly to maximize power and performance