Yamaha 2008 YW50X Service Manual page 215

C.EOK..O T.E BO'BS..O BO'B SOCKETS IE'EC I I
C H E C K I N G THE C O N D I T I O N OF THE BULBS
The following procedure applies to all of the
bulbs.
1. Remove:
• bulb
Since the headlight bulb gets extremely hot,
keep f l a m m a b l e p r o d u c t s and y o u r h a n d s
a w a y from the bulb until it has cooled d o w n .
CAUTION:
• Be sure to hold the socket firmly w h e n re-
moving the bulb. Never pull the lead, other-
w i s e it may be pulled out of the ter-minal in
the coupler.
• Avoid touching the glass part of the head-
light bulb to keep it free from oil, other-wise
the transparency of the glass, the life of the
bulb, and the luminous flux will be adversely
affected. If the headlight bulb gets soiled,
t h o r o u g h l y clean it w i t h a cloth moistened
w i t h alcohol or lacquer thinner.
. Check:
• bulb (for continuity)
(with the pocket tester)
No continuity --> Replace.
~ 1 Pocket tester
YU-03112
NOTE:
Before checking for continuity, set the pocket
tester to
" 0 "
and to the
"El x 1"
range.
18410002
7-7
a. Connect the positive tester probe to termi-
nal (~ and the negative tester probe to ter-
minal (~, and check the continuity.
b. Connect the positive tester probe to termi-
nal 1 and the negative tester probe to ter-
minal (~, and check the continuity.
c. If e i t h e r of t h e r e a d i n g s i n d i c a t e no
continu-ity, replace the bulb.