Torque & Corresponding Speed: 9.5N. M(5000±250) Start Mode: Kick starter Compression: 9.0:1 Engine Oil: 900ml, 15W/40-SE, 4 stroke Oil GEARS: 4 SPEED MANUAL CLUTCH, 1N234 SPROCKET: 15T 428 17mm Product function description: Specifications: Type: Single-cylinder, horizontal, 4-stroke Gear: 1N234 Ignition: CDI Displacement: 140cc Bore x Stroke: 55mm x 59mm Max. M(5000±250) Start Mode: Kick starter Compressi.