Engine model: YZ188F
Engine Type: OHV 25°tilt,single cylinder,forced air cooling,4-stroke 
Borestroke  (mm): 88*64 
Displacement(ml): 389 
Starting system: recoil start/key start 
Fuel tank capacity(L): 25 
Oil capacity(L): 1.1 
Max output(kw): 5.5 
Rated output(kw): 5.0
Voltage(v): 230 
Rated frequency(Hz): 50 
Power factor: 1.0  
Continuous run time(h): 9
Noise(db(a): 74 
N.W(KG): 82 
Packing dimensions(mm): 700*540*580
Loading quantity (20GP/40GP/40HQ: 128/256/256