Arctic Cat 150 2014 Service Manual page 58

Problem: Engine overheats
Condition
1. Carbon deposit (piston crown) excessive
2. Oil low
3. Octane low - gasoline poor
4. Oil pump defective
5. Oil circuit obstructed
6. Gasoline level (in float chamber) too low
7. Intake manifold leaking air
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Remedy
1. Clean piston
2. Add oil
3. Drain - replace gasoline
4. Replace pump
5. Clean circuit
6. Adjust float height
7. Tighten - replace manifold