Section 03 TROUBLESHOOTING
Subsection 03 (FUEL AND OIL SYSTEMS)
MMR2000_116_03_03A.FM 03-03-1
FUEL AND OIL SYSTEMS 0
The following chart is provided to help in diagnosing the probable source of troubles. It should be used
as a guideline.
SYMPTOM HIGH FUEL CONSUMPTION OR RICH MIXTURE.
CONDITION NORMAL USE.
Test/Inspection 1. Check fuel tank.
a. Perforated fuel tank.
Replace fuel tank.
2. Check carburetor fittings.
a. Leaking fittings.
Replace defective part.
3. Check float height in carburetor(s).
a. Fuel level is too high in float bowl.
Adjust according to specifications (refer to TECHNICAL DATA 10).
SYMPTOM ENGINE LACKS POWER OR STALLS AT HIGH RPM.
CONDITION NORMAL USE.
Test/Inspection 1. Check fuel filter or strainer.
a. Clogged filter or strainer.
Clean.
2. Check fuel lines.
a. Kinked or clogged lines.
Relocate or replace.
3. Check if carburetor is clean.
a. Varnish.
Clean.
4. Verify check valve on top of fuel tank.
a. Improperly installed or obstructed.
Install with vented side toward atmosphere or replace.
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