Namura Oversized Piston Kit for 1997 01 Honda CR250R 66.84mm NX 10025 2 1991 Honda XR80R Part Number: 150002 Fused dual layer design Part Number: 150002 Fused dual layer design for a combined increase in performance and protection Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Top End Rebuild Kit Part Number PK1098 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 Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer 1997 Honda CR250 Higher silicon content reduces expansion rates and increasesÊwear resistance