... ) Engine type: OHV25, single cylinder, forced air cooling, 4-stroke 2) Max. power: 4.0kW/3,600rpm 3) Max. torque: 11N.m ... /2,500rpm 4) Bore x stroke (mm): 68 x 54 5) ... , 115/230V, 120/240V 2) Rated frequency: 50/60Hz 3) Rated output: 2.0kVA 4) Max. output: 2.2kVA 5) Power factor: 1.0 6) Fuel ...