Yamaha DT125RE 2005 Service Manual page 296

EAS00808
TROUBLESHOOTING
• The radiator fan motor fails to turn.
• The water temperature gauge needle
fails to move when the engine is warm.
Check:
1. main fuse
2. battery
3. main switch
4. thermo switch
5. wiring connections
(the entire cooling system)
NOTE:
• Before troubleshooting, remove the follo-
wing part(s):
1. side covers (left and right)
2. seat
3. fuel tank
4. headlight cover
5. headlight unit
• Troubleshoot with the following special
tool(s).
Pocket tester
90890-03112
COOLING SYSTEM
1. Fuse
• Remove the fuse.
• Connect the pocket tester (Ω 1) to the fuse.
• Check the fuse for continuity.
• Is the fuse OK?
YES
2. Battery
• Check the battery condition.
Refer to the "BATTERY INSPECTION" sec-
tion in chapter 3.
8-39
ELEC
NO
Replace the fuse.