Model GE168 GE168-2 GE170 GE188 GE190 GE192 Type Air-cooled, 4-stroke, Single cylinder, OHV Displacement(cc) 163 196 209 389 420 439 Bore x Stroke (mm) 68x45 68x54 70x54 88x64 90x66 92x66 Speed(rpm) 3000/3600 Max.power(hp) 5.5 6.5 7.0 13.0 15.0 16.0 Max.Torque(N.m/rpm) 8.8/2600 10.8/2600 12.0/2600 26.5/2600 28/2600 30/2600 Starting System Recoil (Electric Start as optional) Fuel tank capacity (L) 3.6 6 Oil Capacity (L) 0.6 1.1 Fuel comsuption (g/kw.h) â?¤395 â?¤374 â?¤370 Ignition system Non-Contact Transistorized Megneto Ignition System Dimension (L x W x H) mm 385*330*350 455*420*475 510*420*475 Net Weight (kg) 16 17 18 32 32 33 OPTIONAL CONFIGURATION Electric start & battery | Pully | Clutch pully | 1/2 reduction gearbox | EPA(for United States market) | Key-way shaft, Taper shaft, Thread shaft