Baja Motorsports WD400-U Operator's Manual - Manual (Page 75)

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TROUBLESHOOTING
This troubleshooting guide is provided to help you to find the cause of some
common complaints.
COMPLAINT: Engine is hard to start or does not start at all. Something is
probably wrong with the fuel system or ignition system.
Fuel Supplying Check
1. Make sure there is adequate fuel in the fuel tank.
2. Check that the engine stop switch is in the “RUN “ position.
3. Check that the fuel valve is in the “ON” position.
4. Make sure there is enough fuel reaching the carburetor from the fuel tank.
a. Loosen the drain screw which is located under the carburetor. Drain the
fuel from the carburetor into a container.
b. Tighten the drain screw.
c. Run the engine for a few seconds. Shut off engine.
d. Loosen the drain screw and check that the carburetor is filled back up
with fuel.
e. If fuel is reaching the carburetor, the ignition system should be checked
next.
WARNING
Draining fuel from the carburetor could be hazardous.
Fuel could catch fire if you do not handle it properly.
When draining the carburetor, be sure to shut the engine off. Do not
smoke and make sure there are no open flames or sparks in the area
where you drain or refuel. Do not spill the fuel or you may create a fire
hazard. Dispose of drained fuel properly.
CAUTION
Failing to troubleshoot a problem correctly would damage your ATV.
Improper repairs or adjustments may damage the vehicle. Such
damage may not be covered under warranty. If you are not sure about
the proper action, consult your authorized service center or Baja
Motorsports about the problem.