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1
10W
20W
20
30
20W–40
20W–50
15W–40
15W–50
10W–40
10W–30
–10
0
10
2
fig. 37
40
20
30
40 C
Cleaning and replacing the spark plugs (fig. 38)
Spark plugs are essential to smooth engine running and
should be checked at regular intervals.
This is done quite easily and quickly and provides a good
measure of engine condition.
Remove the spark plug caps from the cylinder head using
the wrench supplied with the bike.
Check the color of the insulating ceramic material of the
central electrode: a light brown, even color is a sign of
good engine condition. If color has altered or you find any
dark deposits, change the spark plug and report this to a
Ducati dealer or authorized workshop.
Check wear on the central electrode. If it looks worn out
or has a vitreous appearance, change the spark plug.
Check electrode gap: it should be 0.6-0.7 mm/0.023-
0.027 in.
E
fig. 38
49
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