Arctic Cat 1987 AFS El Tigre Service Manual page 178

Problem: Engine Does Condition
Remedy
Not Start (cont.)
liscel lany
S. Compression low S.
Repair-replace damaged-
(Fue l Does Not Ign ite)
worn eng ine components
6. Timing adjusted incorrect ly 6. Time ig nition
7. Oil-injection pump malfunct ion- 7. Replace-bleed-adjust oi l-
ing-adjusted incorrect ly
injection pump
Problem: Engine Does Condition
Remedy
Not Idle
1. Carburetor(s) adj usted incor- 1. Troubleshoot carburetor(s)
rectly-dirty-damaged
2. Fuel pump malfu nct ioni ng- 2. Replace-clean fuel pump
defect ive
3. Im pulse hose cracked-broken 3. Rep lace imp ul se hose
4. Air- intake silencer 4. Remove obstruct ion- replace
obstru cted - damaged air-intake sil encer
Problem : Engine Loses Condition Remedy
Power
1. Fuel-tan k vent - hose 1. Remove obstruction - repl ace
obstructed vent - hose
2. Fuel hose cracked - broken- 2. Replace-servi ce f uel hose
pinched
3. In- line fuel fil te r obstru cted-
3. Remove obstruct ion- replace
damaged
in-line fuel f il ter
4. Carb uretor(s) adj usted incor- 4. Troubleshoot-tighten
rectly-d irty-damaged- Ioose carburetor(s)
)
S. Muffler obstructed- S. Remove obstruction-
disconnected-damaged
connect-rep lace muffler
6. Air-intake silencer obstructed-
6. Remove obstruction-
disconnected-damaged
connect-replace air-intake
sile ncer
7. Exhaust ports carboned
7. Clean exhaust ports
8. Spark plugs fou led-damaged 8. Clean-replace spark plugs
9. High tens ion wires/coil
9. Service- replace high tension
loose-defect ive
wi res/coil
10. Spark-plug caps leaking -
10. Repl ace spark- plu g c aps
short ing
11. Timing adjusted incorrectly
11. Time ign ition
12. Compression low
12. Repair- replace damaged -
worn engine components
13. Charge coil defective
13. Replace charge coi l
14. Trigger coil defective
14. Replace trigger coil
is.
COl unit defect ive
is.
Replace COl unit
16. Oil -injection pump malfunction- 16. Replace
- bleed - adj ust oil-in-
ing - adjusted incorrectly
jection pump
Problem: Engine
Condition
Remedy
Overheats
1. Coo li ng fi ns obstructed
1. Remove obstruction
2. Spark plug heat range too hot
2. Install lower heat-range
3. Coolant low - absent
spark plugs
3. Add coolant
4. Radiator obstructed -
4. Remove obstruction - replace
damaged
radiator
S. Carburetor(s) adjusted incor-
S.
Troubleshoot - cl ean
rect ly- jetted incorrectly- dirty
carburetor(s)
175