Namura Top End Rebuild Kit for 1982 90 Yamaha RD125LC 56.70mm NX 40010 3K Piston Size_77.94mm Piston crown shapes are designed Piston crown shapes are designed to promote the maximum intake charge efficiency through a scavenging mixture ‘Cross Flow’ during intake and exhaust valve overlap Fits: 1986 87 Kawasaki KX80 Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Winderosa Complete Gasket Set Part Number 808403 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 keeping it running in peak condition 1985 Yamaha RD125LC