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Ignition system
The engine is equipped with an electronic ignition
system. Only the spark plug requires maintenance.
For recommended spark plug, see "Technical
data".
IMPORTANT INFORMATION
Fitting the wrong spark plug type can
damage the engine.
1. Remove the ignition cable shoe and clean
around the spark plug.
2. Remove the spark plug with a 13/16" (21 mm)
spark plug socket wrench.
3. Check the spark plug. Replace the spark plug
if the electrodes are burned or if the insulation
is cracked or damaged. Clean the spark plug
with a steel brush if it is to be reused.
4. Measure the electrode gap with a gapping tool.
The gap should be 0.7-0.8 mm/0.028-0.031".
Adjust as necessary by bending the side
electrode.
5. Reinsert the spark plug, turning by hand to avoid
damaging the threads.
IMPORTANT INFORMATION
Inadequately tightened spark plugs can
cause overheating and damage the
engine. Tightening the spark plug too
much can damage the threads in the
cylinder head.
6. After the spark plug is seated, tighten it using a
spark plug wrench so that the washer is
compressed. A used spark plug should be
turned 1/8-1/4 of a turn from the seated position.
A new spark plug should be turned 1/2 a turn
from the seated position.
7. Replace the ignition cable shoe.
MAINTENANCE
8011-027
8011-054
35
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