Engine Type: Single-Cylinder Cylinders: 1 Engine Stroke: -Stroke Cooling: Air Valves: 0 Valves Per Cylinder: 0 Valve Configuration: Reed Valve Compression Ratio: 6.0:1 Starter: Kick Fuel Requirements: Regular Fuel Type: Gas / Oil Injected Transmission Type: Automatic Number Of Speeds: 1 Primary Drive (Rear Wheel): Shaft Front Tire (Full Spec): 2.5 X 10 4PR Rear Tire (Full Spec): 2.5 X 10 4PR