Section 02
TROUBLESHOOTING
Sub-Section 03
(FUEL AND OIL SYSTEMS)
02-03-2
SYMPTOM
ENGINE LACKS POWER OR STALLS AT HIGH RPM
CONDITION
NORMAL USE
Test/Inspection
1. Check fuel tank vent hose.
a.Kinked or clogged hose.
Relocate or replace.
2. Check fuel filter.
a.Clogged filter.
Replace.
3. Check fuel lines.
a.Kinked or clogged lines.
Relocate or replace.
4. Check fuel pump flow.
a.Dried diaphragm.
Replace.
5. Check if carburetor(s) is (are) clean.
a.Varnish.
Clean.
SYMPTOM
HIGH INJECTION OIL CONSUMPTION
CONDITION
NORMAL USE
Test/Inspection
1. Check oil injection pump adjustment.
a.Oil injection pump adjusted too rich.
Adjust.
2. Check injection oil lines and their fitting.
a.Leaking lines and/or cover.
Replace defective part(s).
3. Check injection pump cover gasket.
a.Worn gasket.
Replace.
4. Pressurize crankcase rotary valve gear reservoir.
a.Leaking gasket(s).
Replace gasket(s).