Detailed Product Description Specifications:1) Engine type: 4-stroke, air-cooled2) Fuel type: gasoline3) Piston displacement: 90cc4) Cylinder arrangement: single cylinder5) Max. load capacity: 110kg6) Max. speed: 55km7) Bore x stroke: 47 x 49.5mm8) Compression ratio: 9.0:19) Max. power: 4.2kW / 8,000rpm10) Max. torque: 5.4N.m / 6,000rpm11) Transmission system: chain drive12) Ignition: C.D.I.13) ...