3. Set the air gap at 0.028 to 0.032 inch (0.05 to 0.07
cm) (Figure 21).
Figure 21
4. Install the correctly gapped spark plug and tighten
it to 17 ft.-lb (23 N-m).
5. Install the spark plug wire on the spark plug.
Fuel System
Maintenance
Cleaning the Fuel Filter
Service Interval: After the first 25 hours
Every 50 hours
1. Close the fuel shut off valve and unscrew the bowl
from the filter body (Figure 22).
1. Shut-off valve
2. Clean the bowl and filter in clean gasoline and install
it.
22
Figure 22
2. Bowl