CMB 45RS 7.5cc Gear Drive Nitro Marine Engine Motor RS

CMB 45RS Gear Drive Marine Engine New engine for 2007. Bigger diameter and width crankshaft webs for better stability at high rpm. New much stronger crankcase makes the engine look like the 90 EVO2002. Purple double chambered watercooled head, steel conrod with needle rollers, 4.6 hp at 31,000 rpm. Geardrive engine has anticlockwise rotation andcarburetor 4.6 HP / 31,000 RPM Bore: 21.8 mm Stroke: 20.0 mm Displacement: 7.46 cc