MAINTENANCE
3-8
SPARK PLUG
REMOVAL
Lift and support the fuel tank (page 3-5).
Disconnect the spark plug caps from the spark
plugs.
Remove the spark plugs using a equipped spark
plug wrench or an equivalent tool.
Inspect or replace as described in the maintenance
schedule (page 3-4).
INSPECTION
Check the following:
• insulator for damage
• electrodes for wear
• burning condition, coloration
Replace the spark plugs if necessary.
Clean the spark plug electrodes with a wire brush or
special plug cleaner.
Check the gap between the center and side elec-
trodes with a wire-type feeler gauge.
If necessary, adjust the gap by bending the side
electrodes carefully.
Clean around the
spark plug bases
with compressed
air before
removing, and be
sure that no debris
is allowed to enter
the combustion
chamber.
SPARK PLUG WRENCH
SPARK PLUG
SPECIFIED SPARK PLUG:
NGK: CR8EH-9
DENSO: U24FER9
CENTER ELECTRODE
SIDE ELECTRODE
INSULATOR
SPARK PLUG GAP: 0.80 – 0.90 mm (0.031 – 0.035 in)
0.80 - 0.90 mm
(0.031 - 0.035 in)
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
email: info@motomatrix.co.uk
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