Arctic Cat EL TIGRE 1980 Service Manual page 152

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Problem: Carburetor
(3/4·WOT
Opening) (cont.)
B. Too Lean
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Problem: General Fuel
System
A. Engine Cuts Out At
High RPM
Condition
1. Main jet obstructed too smal I
2. Float/inlet needle obstructed-
damaged adjusted incorrectly
3. Needle jet jet needle
obstructed
Condition
1. Inadequate fuel delivery
2. In-line fuel filter obstructed-
damaged
3. Fuel contaminated
4. Fuel-tank vent hose
obstructed
B. One Cylinder Runs Lean
1. Carburetor-to-cylinder air leak
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2. Carburetor(s) not aligned
3. Air-intake silencer obstructed-
damaged
4. Primary compression low
5. Carburetors not synchronized
Drive Clutch (5000)/
Drriven Pulley
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· Problem: Drive Clutch
· Engagement
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A:.
Before Specified RPM
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: 8.--After Specified RPM
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Condition
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1. Spring weak
, 2. Spider assembly loose
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. 1. Drive clutch components dirty
2. Rollers ramps worn-
. damaged
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3. Bushing worn damaged
4. Bearing/movable sheave
clearance excessive
5. Spider assembly loose
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Remedy
1. Remove obstruction-replace
with larger main jet
2. Remove obstruction-replace
inlet needle float-adjust
float tab
3. Remove obstruction
Remedy
1. Replace fuel pump-
impulse hose
2. Remove obstruction replace
in-line fuel filter
3. Replace fuel-de-ice-clean
carburetor
4. Remove obstruction-replace
vent hose
1. Repair-replace gaskets-
flange-manifold-service
intake ports-tighten clamp(s)
2. Align carburetor(s)
3. Remoye obstruction-replace
air-intake silencer
4. Troubleshoot engine
5. Synchronize carburetors
Remedy
1. Replace spring
2. Tighten spider assembly set
screws
1. Clean drive clutch components
2. Replace rollers ramps
3. Replace bushing
4. Replace bearing/movable
sheave
5. Tighten spider assembly
set screws
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