Description of product Model GD177F Type of engine OHV25皊loping,single cylinder,forced air cooling,top air valve,four stroke Rated power 5.8 Max torque and relevant rotation speed 19.1 Oil consumption <395 Min idle-running rotation speed 1350?00 Noise 104db(A) Cylinder diameter 77 Piston stroke 58 Total displacement 270 Compression ratio 8.2:1 Lubricating method Lubricate by splash Starting system Manual and recoil system Ignition system Transistorized, non-contact Packing size 505?55?15 Net weight 26