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SPARK PLUG
Level 2.
Tools Required: T-Wrench, feeler gauge, soft metal brush
Parts Required: REPOWER
TM
Tune-Up Kit P/N 90075C
1. Remove spark plug and check for wear or fouling.
2. Clean the plug or replace with a new one. DO NOT sand blast to
clean. Remaining sand will damage engine.
3. Adjust spark plug gap by bending outer electrode.
4. Install spark plug and tighten to 145-155 kg/cm (125-135 in. lb.).
COOLING SYSTEM CLEANING
Level 2.
Tools required: Cross head screwdriver, 4 mm hex wrench, 25-50 mm
(1 -2 in.) cleaning brush
Parts Required: None
IMPORTANT
To maintain proper engine operating temperatures, cooling air must
pass freely through the cylinder fin area. This flow of air carries
combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the
cylinder.
• Dust and grass build-up on the outside of the cylinder. This build up
insulates the engine and prevents the heat from leaving.
Removal of cooling passage blockages or cleaning of cooling fins is
considered “Normal Maintenance.” Any failure attributed to lack of
maintenance is not warranted.
1. Disconnect spark plug lead from spark plug.
2. Remove (3) screws from muffler cover (A), and remove cover.
3. Remove (3) screws from top guard (B), and remove guard.
4. Remove (1) screw from engine cover (C), and remove cover.
0.65 mm
(0.026 in.)
A
B
C
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