External Engine Inspection; Cleaning The Engine - Kohler Courage SV470 Service Manual

Section 3
Troubleshooting
Engine Overheats
shrouds clogged.
Engine Knocks
4. Internal wear or damage.
Engine Loses Power
8. Low compression.
9. Exhaust restriction.
Engine Uses Excessive Amount of Oil
3. Worn or broken piston rings.
Oil Leaks from Oil Seals, Gaskets
2. Worn or broken piston rings.
4. Restricted exhaust.

External Engine Inspection

when it is disassembled.
3.2
maintenance.
odor.
used, the oil was not changed at the recommended
NOTE: It is good practice to drain oil at a location

Cleaning the Engine

engine parts. When such a cleaner is used, follow
the manufacturer's instructions and safety precautions
carefully.