Section 03
TROUBLESHOOTING
Subsection 03
(FUEL AND OIL SYSTEMS)
03-03-3
SYMPTOM
ENGINE RUNS OUT OF FUEL (OR LEAN MIXTURE).
CONDITION
NORMAL USE.
Test/Inspection
1. Check fuel filter ball located in fuel tank. Ball must move freely.
a. Corrosion due to oxidation at installation.
Replace fuel filter.
2. Check if lines are perforated or kinked and make sure they do not leak at fittings.
a. Lines are too big for their fittings or are improperly rooted.
Replace or properly relocate lines.
3. Check fuel pump outlet flow.
a. Dirt clogging fuel pump lines or torn membrane.
Clean or replace fuel pump.
4. Check carburetor needle valve(s).
a. Dirt (varnish, foreign particle) clogging fuel line inlets.
Clean.
5. Check main jet.
a. Dirt (varnish, foreign particle) accumulation at main jet.
Clean.
6. Check float height in carburetor bowl(s).
a. Running out of fuel at high speed because float height is too low.
Adjust float lever height according to specification.
7. Check H.A.C. system.
a. Plugged hole in air jet inlet.
Clean.
b. H.A.C. frozen.
Replace.
Содержание Formula S 1998
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