engine service. See Trouble Shooting section.
Follow these procedures to change the spark plug:
1. If the generator is running, stop it and let it cool down for several minutes.
2. Remove the service access door.
3. Remove the spark plug boot (Fig. 15) by firmly pulling up and away from the engine.
4. Using a spark plug wrench, remove the spark plug from the cylinder head.
5. Place a clean rag over the spark plug opening to prevent dirt from entering the engine.
6. Inspect the spark plug for:
A. Cracking of the insulator.
B. Excessive wear on the electrode.
C. Spark plug gap of .032” (.8mm)
7. If the spark plug fails to meet any of the above conditions, replace the spark plug. See Fig. 16 for
approved replacement spark plugs.
8. Install a new or reinstall the old spark plug into the cylinder head by the following procedures:
A. Carefully insert the spark plug into the cylinder head. Thread the spark plug by hand until it
seats.
B. Using a spark plug wrench, tighten the spark plug firmly to ensure it is fully seated.
C. Replace the spark plug boot, ensuring the boot fully engages the spark plug terminal.
D. Replace the service access door.
Fig. 15
Replacement Spark Plug Chart
Torch
Champion
Bosch
Autolite
35
