Engine type Single cylinder, 4-stroke, air-cooled, OHV, gasoline engine 
Bore*stroke[mm(in)]: 88× 64(3.46× 2.52) 
Dispiacement[ml(cu. In)]: 389(23.74) 
Engine speed(rpm): 3600 
Compression ratio: 8.5: 1 
Rated output power[kW(HP)]: 7.7(10.47) 
Max torque(N. M/rpm): 24/2500 
Ignition system: T. C. I 
Fuel: 90#automotive unleaded gasoline 
Fuel tank volume[L(gal. )]: 6.5(1.43) 
Fuel consumption rate[g(ml)/kW. H]: <395(533) 
Lubrication oil volume[L(gal. )]: 1.1(0.24) 
Starting system: Electric Starter 
Rotation direction (view from flywheel): Clockwise 
Overall dimension(L*W*H)[mm]: 510× 415× 465 
Dry weight[kg(ibs. )]: 31(68.2)