Hoca Minarelli 41.4mm Stuffer Crankshaft, Part #169-318
Ruima Stuffer Crankshaft by Hoca for Minarelli 50cc, 2-stroke engines with a 10mm wrist pin. This is a Stuffer crankshaft with a 41.4mm Stroke. This gives 2.2mm in additional stroke length! The additional plastic padding increases primary compression which higher RPM engines tend to favor. 41.4mm Stroke Stuffer Crankshaft. Overall length: 9 inches. 17 Splines. Flywheel Thread Size: M10x1.25. Drive End Thread Size: M10x1.25. Inner Diameter of Piston Pin Hole: 14mm.