Spark Plug Assembly - Vittorazi Motors Moster 185 Plus Maintenance Manual

The new spark plug for the engine must be of the same type and rating as the one to be
replaced (NGK BR9ES).
Check the connector: if it is damaged or the connection to the spark plug is not stable, replace it.
Check the ignition cable: there must be no cuts or cracks, otherwise replace the ignition coil
(including ignition cable).

3.2.3 Spark plug assembly

The distance between the electrodes of the new spark plug must be 0,7 mm, otherwise
adjust.
Screw the spark plug into the head and tighten with the torque shown in the figure.
25 Nm
Moster 185 Plus - Maintenance manual - V1 16