Yamaha DT125RE 2005 Service Manual page 291

"OIL" INDICATOR LIGHT DOES NOT
COME ON
1. Bulb
• Remove the bulb.
Refer to the "METER ASSEMBLY" section.
• Connect the pocket tester (Ω 1) to the bulb
terminals.
Positive tester probe
Negative tester probe
• Check the bulb for continuity.
• Is the bulb OK?
YES
Replace the bulb.
terminal
terminal
NO
8-34
SIGNAL SYSTEM
2. Bulb socket
• Disconnect the bulb socket coupler
from the wire harness.
• Connect the pocket tester (Ω 1) to the cou-
pler.
Positive tester probe
Terminal
Negative tester probe
Terminal
• Check the bulb socket for continuity.
• Is the bulb socket OK?
YES
ELEC
Brown
Black/Red
NO
Replace the bulb
socket.