Spark Plug Dismantlement - APRILIA SR 50 2018 Manual

Minimum tread depth:
front and rear 2 mm (0.079 in) (USA 3 mm) (USA 0.118 in) and anyway not lower to
what it is specified in the current legislation in the country in which the vehicle is used.
04_04

Spark plug dismantlement (04_05, 04_06)

Check the spark plug following the instructions in the scheduled maintenance table.
Remove the spark plug regularly, clean off carbon scales, and replace the spark plug
if necessary.
For removal and cleaning:
CAUTION
BEFORE CARRYING OUT THE FOLLOWING OPERATIONS AND IN ORDER TO
AVOID BURNS, LEAVE ENGINE AND EXHAUST TO COOL OFF TO AMBIENT
TEMPERATURE.
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