Yamaha TTR250L Service Manual page 288

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NB286000
TROUBLESHOOTING
HEADLIGHT, "HIGH BEAM" INDICATOR LIGHT, AND/OR TAILLIGHT DO NOT COME ON
NB286100
Procedure
Check;
1.Fuse (main)
2.Battery
3.Main switch
NB286110
NOTE:
Remove the following parts before trou-
ble shooting.
1)Seat
2)Side covers
3)Fuel tank
Use the following special tool(s) in this
trouble shooting.
NB286120
1.Fuse (main)
Remove the fuse.
Connect the pocket tester (Ω × 1) to the
fuse.
Check the fuse for continuity.
NB286130
2.Battery
Check the battery condition.
Refer to "BATTERY INSPECTION" in
CHAPTER 3.
Open circuit voltage:
12.8 V or more at 20 °C (68 °F)
NB286140
3.Main switch
Disconnect the main switch coupler
from the wireharness.
Check the switch component for conti-
nuity between "Red 1 and Brown 2".
CONTINUITY
CORRECT
7 - 27
LIGHTING SYSTEM
4."LIGHTS" switch
5.Wiring connection
(entire charging system)
Pocket tester:
YU-03112
NO CONTINUITY
Replace the fuse.
INCORRECT
Clean the battery terminals.
Recharge or replace the battery.
+
ELEC

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