Yamaha RHINO 660 YXR660FAT Manuel Du Propriétaire page 296

a. Spark plug gap
a. Écartement des électrodes
a. Distancia entre electrodos de la bujía
Installation
1. Measure the electrode gap with a wire thick-
ness gauge and, if necessary, adjust the gap
to specification.
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
2. Clean the surface of the spark plug gasket
and its mating surface, and then wipe off any
grime from the spark plug threads.
3. Install the spark plug and tighten it to the
specified torque.
Tightening torque:
Spark plug:
17.5 Nm (1.75 m·kgf, 12.7 ft·lbf)
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