NOTE: Never dispose of used motor oil in the trash or down a drain. Please call your local
recycling center or auto garage to arrange oil disposal.
Air Cleaner Maintenance
Routine maintenance of the air cleaner helps maintain proper airflow to the carburetor.
Occasionally check that the air cleaner is free of excessive dirt.
1. Unscrew the bolt at side of the air cleaner cover (see figure 18).
2. Remove the sponge-like element from the casing.
3. Wipe the dirt from inside the empty air cleaner casing
4. Wash the sponge-like element in household detergent and warm water. Allow to dry.
5. Soak the dry element in engine oil. Squeeze out any excess oil.
6. Replace the sponge-like element in the air cleaner casing and replace the cover.
Bolt
Figure 18 - Removing the Air Cleaner Casing.
Spark Plug Maintenance
The spark plug is important for proper engine operation. A good spark plug should be intact, free of
deposits, and properly gapped. To inspect your spark plug:
1. Pull on the spark plug cap to remove it.
2. Unscrew the spark plug from the generator using the spark plug wrench included with this
product (see figure 20).
3. Visually inspect the spark plug. If it is cracked or chipped, discard and replace with a new spark
plug. We recommend using a F6RTC spark plug such as NGKBPR5ES.
4. Measure the plug gap with a gauge (see figure 21). The gap should be 0.7-0.8 mm
(0.028-0.031 in).
5. If you are re-using the spark plug, use a wire brush to clean any dirt from around the spark plug
base and then re-gap the spark plug.
6. Screw the spark plug back into its place on the generator using the spark plug wrench.
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