
| Possible reasons for the failure of the fuel system | 
| 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 | 

| Possible causes of electrical system failure | 
| Cause Analysis | Method of exclusion | 
| Flameout emergency card is not inserted on the cable stop switch slot | The flapper flameout emergency stop switch cable on the insertion slot | 
| Spark plug fouling serious or type is not correct, or damage to the spark plug | Clean or replace the spark plug with the recommended type of spark plugs, replace if damaged new | 
| Spark plug cap not installed | It back securely attached to the spark plug | 
| Tighten the spark plug did not cause air leakage | Re-tighten the spark plug | 
| Wire connector poor contact between the | Clean connectors, and insert it securely | 
| Faulty ignition system parts | Find out the reason, repair or replace the product | 
| Start-up procedure is not normal | Start the machine according to the instructions of step | 
| Damage to internal engine parts | Player checks, contact your dealer or replace the damaged parts |