| Cause analysis | Elimination method |
Vent screw on the tank cap did not loosen
| Counterclockwise unscrew vent screw |
| Tubing plug connection loose | Re insert, make it a reliable connection |
| The tubing is twisted, flattening or leakage | Finishing tubing, replace if broken new |
| Before the start of the hand pump is not squeezed, oil is not filled with fuel oil | Feel squeezed by hand until the hand pump to harden the hand pump until the oil is full of fuel |
| When the cold start did not pull out the choke | Pull out the choke in the second or third goalkeeper position |
| Fuel filter clogged | Clean or replace the new fuel filter |
| Carburetor oil duct blockage | Clean and air compressor to blow through the oil passage |
| Faulty fuel pump, not oil | Repair or replace pump |
| Fuel storage too long or fuel containing impurities and moisture | Cleaning the fuel tank to the fuel tank is filled with fresh fuel |
| No oil fuel tank | Fill the fuel tank to the fuel |
