Feature

●Motorized Bicycle Engine Kit
●50mm Bore & 40mm Stroke. 40mm Intake & Round Exhaust/Type B piston 89mm Long rod
●Pearl anti-corrosion coat w/ Z8C spark plugs & 60% Thicker crank case for bearings
●Improved magneto, 50mm Bore Single piece Cylinder, High-end Allen bolts & Improved Gas Cap

Description