Section 03
TROUBLESHOOTING
Sub-Section 01
(ENGINE)
03-01-2
SYMPTOM
ENGINE SUDDENLY TURNS OFF.
CONDITION
NORMAL USE.
Test / Inspection
1. Perform engine leak test (tool P / N 861 7390 00). Refer to engine leak verifica-
tion flow chart. Check possible piston seizure.
a. Damaged gasket and / or seal.
Replace defective parts.
2. “Four-corner” seizure of piston(s).
a. Accelerating too fast when engine is cold. Piston expands faster than cylinder.
Replace piston(s). Ask driver to refer to warm-up procedure in Operator’s Guide.
3. Piston(s) seizure on exhaust side (color on piston dome is correct).
a. Kinked fuel tank vent tube.
Relocate fuel tank vent tube.
b. Leaks at fuel line connections.
Replace defective lines.
c. Fuel does not flow through carburetor(s) (plastic particles in needle area and / or
varnish formation in carburetor(s)).
Clean carburetor(s).
d. Spark plug heat range is too warm.
Install spark plug(s) with appropriate heat range (refer to TECHNICAL DATA 10).
e. Improper ignition timing.
Adjust according to specifications (refer to TECHNICAL DATA 10).
f. Restriction in exhaust system.
Replace.
g. Compression ratio is too high.
Install genuine parts.
h. Carburetor calibration is too lean.
Adjust according to specifications (refer to TECHNICAL DATA 10).
i. Improper rotary valve timing or improper valve.
Adjust according to specifications (refer to TECHNICAL DATA 10) and / or install
Bombardier’s recommended rotary valve.
j. Poor quality oil.
Use Bombardier Rotax oil.
k. Leaks at air intake silencer.
Replace air intake silencer grommets.
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Страница 142: ...Section 04 ENGINE Sub Section 08 LIQUID COOLING SYSTEM 04 08 3 599 and 779 Engines A06C0NS Loctite 592 5 3 4 1 2 6 7...
Страница 168: ...Section 04 ENGINE Sub Section 11 CARBURETOR AND FUEL PUMP 04 11 12 HAC SYSTEM A03I0BS...
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Страница 189: ...Section 05 TRANSMISSION Sub Section 03 DRIVEN PULLEY 05 03 2 Skandic WT A22D11S Anti seize lubricant 4 5 19 2...
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