Yamaha YFM660RN Service Manual page 115

REPLACING THE HEADLIGHT BULB
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3.Remove:
Cover 1
Bulb holder 2
Bulb
NOTE:
Turn the bulb holder counterclockwise and
remove the defective bulb.
WARNING
Keep flammable products and your hands
away from the bulb while it is on, since it
will be hot. Do not touch the bulb until it
cools down.
4.Install:
Bulb
New
Secure the new bulb with the headlight unit.
CAUTION:
Avoid touching the glass part of the bulb.
Keep it free from oil; otherwise, the trans-
parency of the glass, life of the bulb, and
luminous flux will be adversely affected. If
oil gets on the bulb, thoroughly clean it
with a cloth moistened with alcohol or lac-
quer thinner.
5.Install:
Bulb holder
Cover
Cover
6.Install:
Headlight
Refer to "SEAT, FENDERS AND FUEL
TANK".
CHK
ADJ