50cc, 2-stroke Crankshaft, 10mm, Part #161-33

Crankshaft Assembly for 50cc 2-stroke Minarelli 1PE40QMB Jog engines Total Length: 240mm. Flywheel Thread Size: M12x1.25. Flywheel Thread Length: 15mm. Drive End Thread Size: M10x1.25. Drive End Thread Length: 10mm. Inside Diameter of Piston Pin Hole: 14mm. Number of Splines: 15. For Use With 10mm Piston Pin.