electrodes because engine damaged could result
from grit entering the cylinder.
3. Set air gap at 0.028-0.032 inch (Figure 27). Install
correctly gapped spark plug and tighten firmly to
17 ft.-lb.
Figure 27
Fuel System
Maintenance
Cleaning the Fuel Filter
Service Interval: After the first 25 hours
Every 50 hours
1. Close fuel shut off valve and unscrew bowl from
filter body (Figure 28).
1. Shut-off valve
2. Clean bowl and filter in clean gasoline and install.
24
Figure 28
2. Bowl