8-39
a. Spark plug gap
a. Écartement des électrodes
a. Huelgo de la bujía
Before installing the spark plug, measure the elec-
trode gap with a wire thickness gauge and adjust it
to specification.
When installing the spark plug, always clean the
gasket surface and its mating surface. Wipe off
any grime from the threads and tighten it to the
specified torque.
Spark plug gap:
0.6–0.7 mm
Tightening torque:
Spark plug:
17.5 Nm (1.75 m·kgf)
U4SH6B.book Page 39 Tuesday, May 27, 2003 4:39 PM
Summary of Contents for BIG BEAR YFM400FPS
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