MAINTENANCE
SPARK PLUG
1. Wipe and clean the dust and mud around the
spark plug mounting to avoid their entry inside the
cylinder.
2. Pullout the suppressor cap from spark plug.
Remove the spark plug using a plug spanner.
A spark plug with heavy carbon deposits will not
produce strong sparks. Hence, only if necessary,
remove the carbon deposits from the spark plug with
a small wire brush or spark plug cleaning tool.
Inspect the spark plug electrodes (A) and (B) for any
corrosion. If found any, replace the spark plug with a
new one.
Inspect the spark plug gap. The gap should be
0.9 to 1.0 mm. If the gap is found to be more than the
limit replace the spark plug with a new one.
After cleaning and inspecting the gap, reinstall the
spark plug and tighten by hand to avoid cross
threading. Finally tighten using the spanner. Do not
over tight or cross thread the spark plug. After
reassembling the plug fix back the suppressor cap and
ensure its proper fitment.
Always use only recommended make and type of
spark plug. Replace spark plug every 12000 km.
Cover the spark plug hole with a cloth when the plug is
removed to prevent entry of dust / water entry.
It is advisable to tight the new spark plug by hand till
the end and then loose. Again re-tight the spark plug
by 1/8 of rotation after sealing by using only the hand
tool.
Since the hook type spark plug is used, it is not
advised to adjust the plug electrodes as it may
damage the electrodes.
0.9 ~ 1.0 mm
Caution
A
B
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