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MAINTENANCE (ENGINE)
MAINTENANCE
Perform the engine maintenance procedures as indicated
below:
1. Thoroughly remove dirt and oil from the engine and
control area.
2. Clean or replace the air cleaner elements as necessary.
3. Check and retighten all fasteners as necessary.
4. Check the spring box and bellows for oil leaks. Repair
or replace as needed.
Weekly
1. Remove the fuel filter cap and clean the inside of the
fuel tank.
2. Remove or clean the filter at the bottom of the tank.
3. Remove and clean the spark plug (See Figure
18), then adjust the spark gap to 0.028~0.031 inch
(0.6~0.7 mm). This unit has electronic ignition, which
requires no adjustments.
Figure 18. Spark Plug Gap
1. Drain the engine oil when the oil is warm as shown
in Figure 19.
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
3. Replace engine oil with recommended type oil as listed
inTable 5. Engine oil capacity is 1.16 quarts (1.1 liters).
over fill.
4. Install drain bolt with sealing washer and tighten
securely.
Figure 19. Oil Drain
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element
as shown in Figure 20.
2. Tap the paper filter element (See Figure 20)
several times on a hard surface to remove dirt, or
blow compressed air [not exceeding 30 psi (207 kPa,
2.1 kgf/cm
2
)] through the filter element from the air
cleaner case side. NEVER brush off dirt. Brushing
will force dirt into the fibers. Replace the paper filter
element if it is excessively dirty.
3. Clean foam element in warm, soapy water or
non-flammable solvent. Rinse and dry thoroughly. Dip
the element in clean engne oil and completely squeeze
out the excess oil from the element before installing.
Figure 20. Engine Air Cleaner
use gasoline as a cleaning
solvent, because that would create a risk
of fire or explosion.