A
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E
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G
H
L
M
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P
section
M 3
191098/1098S - M.Y. 2007 - edition 00
Injection - ignition system
Spark plugs
Check the colour of the ceramic insulation around the central electrode:
an even, light brown colour indicates the engine is in good condition and running at the right temperature.
The motorcycle may be fitted with either plugs with earth electrodes (4) or plugs without earth electrodes (5).
On spark plugs with earth electrodes, check the central electrode for wear and the gap between the electrodes, which should
be: 0.6 to 0.7 mm.
Important
Check the gap between the central and side electrodes. If the gap is not as specified or if the spark plug is soiled with heavy
sooty deposits, renew it.
Refit the spark plug in the cylinder head, first tightening it down fully by hand.
Tighten to the specified torque (Sect. C 3).
Notes
For the positioning of the HT leads, see Sect. P 1.
Refit the fuel tank/seat cowling assembly (Sect. E 3).
Important
Do not use spark plugs with inadequate thermal rating or incorrect thread length.
The spark plug must be securely installed.
If a spark plug is loose, it can overheat and damage the engine.
Spark plug type
Make: NGK
Type: MAR10A-J
4
0.6 to 0.7 mm.
5
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