Arctic Cat EL TIGRE 1980 Service Manual page 150

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Problem: Engine Condition
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Overheats (cont.)
Problem: Engine
Backfires
Problem: Engine Four·
Cycles (Floods
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Excessively)
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Problem: Engine Stops
Suddenly
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: ; Problem: Engine Stops
GraduallYi
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14. Gasoline octane too low
15.
Water pump thermostat
damaged defective (6000)
Condition
1. Throttle/ignition monitor
switch adjusted incorrectly
2. Spark plugs fouled damaged
3. Spark plug heat range too hot
4. High tension wires/coil
shorting
5. Carburetor-to-cylinder air leak
6. Carburetor(s) adjusted incor-
rectly dirty damaged loose
7. Fuel mixture incorrect
Condition
1. Carburetor(s) adjusted incor-
rectly dirty damaged
2. Fuel mixture incorrect
Condition
1. I n-1 i ne fuel filter obstructed-
damaged
2. Fuel hose obstructed-
broken pinched
3. CDI unit defective
4. Ignition coil defective
5. Charge coil defective
6. Trigger coil defective
7. Fuel-tank vent hose
obstructed damaged
8. Engine seized
9. Throttle/ignition monitor switch
defective
Condition
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,, 1. In-line fuel filter
obstructed damaged
2. Fuel hose obstructed-
broken pinched
3. Head gasket(s) burning out
4. Cylinder head(s) loosening
5. Spark plugs loosening
6. Impulse hose cracked
7. High tension wires/coil
defective
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Remedy
14. Use 88 minimum octane
regular leaded
15. Replace water pump-
thermostat
Remedy
1. Adjust throttle cable tension-
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service spr1 ng
2. Clean replace spark plugs
3. Install lower heat-range
spark plugs
4. Service-replace high tension
wires/coil
5. Repair replace gaskets-
intake flanges-manifold-
service intake ports
6. Troubleshoot-tighten
carburetor(s)
7. Replace with correctly
mixed fuel
Remedy
1. Troubleshoot clean
carburetor(s)
2. Replace with correctly
mixed fuel
Remedy
1. Remove obstruction replace
i n-1 i ne fuel filter
2. Remove obstruction-
repair replace fuel hose
3. Replace COi unit
4. Replace ignition coil
5. Replace charge coi I
6. Replace trigger coi I
7. Remove obstruction-
replace vent hose
8. Overhaul engine
9. Replace throttle control
Remedy
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1. Remove obstruction replace
i n-1 i ne fuel filter
2. Remove obstruction-
replace repair fuel hose
3. Replace head gasket(s)-
service cylinders head(s)
4. Tighten cylinder-head nuts
5. Tighten spark plugs
6. Replace impulse hose
7. Replace high tension
wires/coil
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