Cleaning And Replacing The Spark Plugs - Ducati Superbike 749R 2006 User And Maintenance Manual

Cleaning and replacing the spark plugs (fig. 79)
Spark plugs are an important part of the engine and should
be checked at regular intervals.
Spark plug condition provides a good measure of engine
condition.
Have the spark plugs inspected or replaced at a Ducati
Dealer or Authorized Workshop. Firstly, they will check
E
the colour of the ceramic insulator of the central electrode:
an even brown colour is a sign of good engine condition.
fig. 79
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