14. Checks & Adjustment
In case of carbon deposit, clean with a proper tool.
SPARK PLUG GAP
Measure the spark plug gap with a feeler gauge.
Out of specification: → Adjust
Spark plug gap: 0.8-0.9mm
Installation:
Tightening Torque: 18 N.m
Tool: Spark Plug Wrench, Feeler Gauge
Air Filter
If the air cleaner is clogged with dust, intake resistance
will be increased, with a resultant decrease in power
output and an increase in fuel consumption. Check and
clean the air filter as following:
Remove fixing clamp① and top cover②
Note:
Be careful not to drop the o-ring into the air filter box that
is attached to the air filter top cover.
Loosen screw③, remove filter element④, separate
support⑤, filter element⑥ and filter element seat⑦.
z Fill a wash pan of a proper size with a
non-flammable cleaning solvent A. Immerse the
filter element in cleaning solvent and wash it.
z Press the filter element between the palms of both
hands to remove the excess solvent. Do not twist or
wring the element or it will tear.
z Immerse the element in engine oil B, and then
squeeze out the excess oil leaving the element
slightly wet.
14-5
Caution:
Check the thread size and reach when replacing the
spark plug. If the reach is too short, carbon will be
deposited on the screw portion of the spark plug hole and
engine damage may result.
Caution:
To avoid damaging the cylinder head threads; first,
tighten the spark plug with fingers, and then tighten it to
the specified torque using the spark plug wrench.
Inspect every 40 hours or 1000 km, clean it if
necessary.
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