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ENGINE OIL
1. Drain the engine oil when the oil is warm as shown in
Figure 43.
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
in Table 4. For engine oil capacity, see Table 3 (engine
specifications). DO NOT overfill.
4. Reinstall drain bolt with sealing washer and tighten
securely.
Figure 43. Draining Engine Oil
1. Remove and clean spark plug (Figure 44) with a wire
brush if it is to be reused. Discard spark plug if the
insulator is cracked or chipped.
2. Using a feeler gauge adjust spark plug gap to 0.028
~0.031 inch (0.7~0.8 mm).
3. Thread spark plug into cylinder hole by hand to prevent
cross-threading, then tighten securely.
NOTICE
Operating the engine with loose or damaged air cleaner
components could allow unfiltered air into the engine
causing premature wear and failure.
NOTICE
use a spark plug of incorrect heat range.
MAINTENANCE
Figure 44. Spark Plug Gap
Visually examine the V-belt (Figure 45) and determine if it
is full of tiny cracks, frayed, has pieces of rubber missing,
is peeling or otherwise damaged.
Also, examine the belt and determine if it is oil soaked or
"glazed " (hard shiny appearance on the sides of the belt).
Either of these two conditions can cause the belt to run hot,
which can weaken it and increase the danger of it breaking.
If the V-belt exhibits any of the above wear conditions
replace the V-belt immediately.
Figure 45. V-Belt Inspection
GAP
.028 - .031
IN.
(0.7- 0.8 MM.
)
GLAZED
OIL SOAKED
BROKEN
CORD FAILURE
CRACKS
MISSING RUBBER
SIDEWALL
WEAR
WORN BACK
COVER