Yamaha CRYPTON T105E Owner's Manual page 50

Spark plug gap:
0.6 ~ 0.7 mm
Spark plug torque:
12.5 Nm (1.25 m•kg)
Before installing the spark plug, measure
the electrode gap with a wire thickness
gauge; adjust the gap to specification as
necessary.
When installing the plug, always clean the
gasket surface and use a new gasket. Wipe
off any grime from the threads and tighten
the spark plug to the specified torque.
EUU03801
NOTE:
If a torque wrench is not available when
you are installing a spark plug, a good esti-
mate of the correct torque is 1/4 to 1/2 turn
past finger tight.
torqued to the correct value as soon as
possible with a torque wrench.
49
Have the spark plug