4-12
Troubleshooting
Problem: Starting impaired
Condition Remedy
1. Starter jet obstructed
2. Starter jet passage obstructed
3. Carburetor leaking air
4. Gas contaminated
1. Clean jet
2. Clean passage
3. Replace gasket
4. Drain gas tank and fill with clean gas
Problem: Idling or low speed impaired
Condition Remedy
1. Slow jet obstructed - loose
2. Slow jet outlet obstructed
3. Low speed fuel screw setting incorrect
4. Float height incorrect
1. Clean - tighten jet
2. Clean outlet
3. Adjust screw
4. Adjust float height
Problem: Medium or high speed impaired
Condition Remedy
1. High RPM “cut out” against RPM limiter
2. Main jet obstructed
3. Needle jet obstructed
4. Vacuum piston not operating properly
5. Filter obstructed
6. Float height incorrect
1. Shift into higher gear - decrease RPM speed
2. Clean main jet
3. Clean needle jet
4. Check piston operation
5. Clean filter
6. Adjust float height
Problem: Overflow and fuel level fluctuations
Condition Remedy
1. Float valve worn - damaged
2. Float valve spring broken
3. Float not working properly
4. Float valve dirty
5. Float height too high - too low
1. Replace valve
2. Replace spring
3. Adjust float height - replace float
4. Clean valve
5. Adjust float height
FOR ARCTIC CAT ATV DISCOUNT PARTS CALL 606-678-9623 OR 606-561-4983
www.mymowerparts.com
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