- turn spark plug cap (3) complete with coil through 90° and lift it to remove it;
then remove spark plug.
Carefully change the spark plug, if necessary, using one having the
same rating.
Before retting the plug, thoroughly clean the electrodes and the insula-
tor using a metal brush. Apply graphitised grease on spark plug thread,
screw it by hand all the way down, then tighten it to the torque of 10 ÷ 12
Nm (7.38 ÷ 8.85 ft-Ib). Loosen spark plug and tighten it again to 10÷12 Nm
(7.38 ÷ 8.85 ft-Ib).
Spark plugs which have cracked insulators or corroded electrodes should
be replaced.
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