Sensational smooth running and high torque. Spontaneous throttle response and smooth mid-range transition. Extremely low vibration throughout the RPM range because of the four stroke principle. Nickel-Silicon plated cylinder surfaces. Honda Valves. Walbro Carburetor. Valach microprocessor controlled ignition with auto advance and retard. An ignition integrated voltage converter allows the use of two LiPo cells. VM-Motors are designed using the latest tools and techniques. Rapid spares delivery and repair service from Germany. Specs: * Displacement: 120 cc. * Bore: 47 mm. * Stroke: 35 mm. * Width including valve covers: 310 mm. * Length from engine mount to prop hub: 167 mm. * Engine weight: 3,450 grs. * including ignition: 3,640 grs. * Ignition voltage range: 4,8 - 9 V * Propeller: 2-blade: 30x12" 30x14" 32x12".