DAELIM NS125III - SERVICE, Service Manual

Page: 55 / 203

Fuel System
5-2
Troubleshooting
Unable to start the engine
● No fuel in the tank.
● Fuel cannot be supplied.
●
Fuel excessively absorbed into the cylinder.
● Air cleaner clogged.
●
No spark from plugs.
Unstable idling, unsatisfactory rotation
● Unsatisfactory idling adjustment.
● Mixture too lean or rich
● Air cleaner clogged.
●
Secondary air absorbed into the intake system.
● Fuel system clogged.
Mixture too lean
● Carburetor jets clogged.
● Fuel tank cap air hole clogged.
● Fuel strainer screen clogged.
● Fuel tube kinked, pressed or clogged.
● Float valve malfunction.
● Oil level too low.
Mixture too rich
● Float valve malfunction.
● Oil level too high.
● Air jets clogged.