Ruima Stroker Crankshaft by Hoca for Minarelli 50cc, 2-stroke engines with a 10mm wrist pin. This crankshaft has a 41.4mm stroke, giving 2.2mm in additional stroke length over a stock 39.4mm cranshaft!
Ruima Stroker Crankshaft by Hoca for Minarelli 50cc, 2-stroke engines with a 10mm wrist pin. This crankshaft has a 41.4mm stroke, giving 2.2mm in additional stroke length over a stock 39.4mm cranshaft!