Hot Rods Crankshaft Assembly for 2011 16 Kawasaki KX250F 4021 2010 Yamaha YFM450 Wolverine 1974 Yamaha TY250 1974 Yamaha TY250 Greater strength and lower expansion at high temperatures Hot Rods heavy duty crankshafts have been regarded as the premier alternative to costly OE manufactured cranks Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Hot Rods Crankshaft Part Number 4021 Fitment Type Unit Sale Qty Each Style Standard Spec 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