Troubleshooting - DAELIM NS125III Service Manual

Fuel System

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.
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