17
10-hour maintenance
CAUTION!
Do not operate the unit if the air
cleaner or filter is damaged, or if the
filter is wet or water soaked.
spark plug gap--all models
Clean the spark plug
and check the gap at
the electrode.
0.6 mm
(0.024 inch)
10/15 hour maintenance
CAUTION!
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts.
Remove and clean or replace the spark
plug.
■
Clean the spark plug. Adjust electrode
gap according to the values listed in
the ”Specifications” section. If the
spark plug must be replaced, use only
the type recommended in ”Specifica-
tions” or equivalent resistor type spark
plug of the correct heat range.
Maintenance (continued)
1. Close choke (cold start position). This prevents dirt from entering the carbu-
retor throat when the air filter is removed. Brush accumulated dirt from air
cleaner area.
2. Remove air filter cover. Brush dirt from inside cover.
3. Replace filter if it is damaged, very dirty, or the rubber sealing edges are
deformed.
■
Lightly brush debris from filter.
■
Soak heavily soiled filters in water/detergent solution to loosen dirt, then brush
lightly.
■
Rinse with clean water and allow to dry completely before reuse.
4. Install air filter cover and tighten cover knob securely.
Dual Layer Air Filter
