Yamaha 2002 CS50, Service Manual, Page: 165 / 204

ELEC
CHECKING THE BULBS AND BULB SOCKETS
8-6
• Avoid touching the glass part of the
headlight bulb to keep it free from oil,
otherwise the transparency of the glass,
the life of the bulb, and the luminous flux
will be adversely affected. If the head-
light bulb gets soiled, thoroughly clean it
with a cloth moistened with alcohol or
lacquer thinner.
2. Check:
• bulb (for continuity)
(with the pocket tester)
No continuity
Replace.
NOTE:
Before checking for continuity, set the pocket
tester to “0” and to the “
Ω
x 1” range.
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 and the negative tester probe to ter-
minal , and check the continuity.
c. If either of the readings indicate no conti-
nuity, replace the bulb.
CHECKING THE CONDITION OF THE BULB
SOCKETS
The following procedure applies to all of the
bulb sockets.
1. Check:
• bulb socket (for continuity)
(with the pocket tester)
No continuity
Replace.
NOTE:
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
a. Install a good bulb into the bulb socket.
Pocket tester
90890-03112
Pocket tester
90890-03112