2021 SSR Motorsports SR150, 2021 SSR Motorsports SR150 ENGINE Engine Type : Single Cylinder, 4 Stroke, Air Cooled Displacement : 150 cc Bore x Stroke : 62 mm x 49.6 mm Compression Ratio : 9.8 : 1 Rated Output : 13.4 hp @ 9,000 rpm Fuel Supply : Carburetor, 28 mm Ignition : CDI Starter : Electric / Kick Transmission : 5-speed Manual; 1-down, 4-up CHASSIS Front Suspension : Hydraulic, Inverted; 2...