Arctic Cat EL TIGRE 1980 Service Manual page 148

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Engine
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:Problem: Engine Does
Not Start
A. No Spark At Spark
Plugs
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B. No Fuel At Cylinders
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c.
Miscellany
(Fuel Does Not Ignite)
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Condition
1. Ignition switch malfunction-
ing switch not in RUN
position
2. Wiring harness shorting-
disconnected
3. Emergency stop switch in
DOWN position switch
malfunctioning
4. Throttle/ignition monitor switch
adjusted incorrectly-
malfunctioning
5. Spark plugs fouled damaged
6. Spark-plug caps damaged-
leaki ng shorting
7. High tension wires/coil loose-
grounded defective
8. COi unit defective
9. Charge coi I defective
10. Trigger coil defective
11. Flywheel magnets weak
1. Fuel tank empty
2. Fuel hose broken pinched
3. Fuel-tank vent hose
obstructed
4. In-line fuel filter obstructed-
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damaged
5. Fuel pump malfunctioning-
defective
6. Impulse hose cracked-
broken pinched-
disconnected
7. Carburetor(s) adjusted incor-
rectly dirty damaged
8. Primary compression absent
1. Carburetor-to-cylinder air leak
· 2. Carburetor(s) adjusted incor-
, rectly dirty damaged
3. F.uel contaminated mixed
incorrectly
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4. Engine flooded
1 1
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5. Compression low
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6. Ttiming adjusted incorrectly
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Remedy
1. Replace ignition switch-
turn switch to RUN position
2. Repair-replace-conne ct
wiring harness
3. Move switch to UP position-
replace throttl e switch
4. Adjust throttle cable tension-
replace throttle switch
5. Clean replace spark plugs
6. Replace spark-plug caps
7. Service replace high
tension wi res/coi I
8. Replace COi unit
9. Replace charge coil
10. Replace trigger coi I
11. Replace flywheel
1. Fill tank
2. Replace-service hose
3. Remove obstruction-
replace vent hose
4. Remove obstruction replace
i n-1 i ne fuel filter
5. Replace clean fuel pump
6. Replace connect impulse
hose
7. Troubleshoot carburetor(s)
8. Repair replace damaged-
worn engine components
1. Replace service gaskets-
i ntake flange(s) manifold-
service intake ports
2. Troubleshoot carburetor(s)
3. Clean tank and entire delivery
system ti 11 with correctly
mixed fuel
4. Troubleshoot carburetor(s)-
clean replace air-intake
silencer
5. Repair replace damaged-
wor:n engine components
6. Time ignition
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