Yamaha WR250F Fahrer- Und Wartungshandbuch Seite 838

SIGNALING SYSTEM
INSPECTION STEPS
If the speedometer will not operate, use the following inspection steps.
*1 Check battery.
OK
Check each coupler and wire
connection.
OK
Check multi-function display.
OK
Check speed sensor.
*1 marked: Refer to "BATTERY INSPECTION AND CHARGING" section in the CHAPTER 3.
NOTE:
• Remove the following parts before inspection.
1) Headlight
• Use the following special tools in this inspection.
Pocket tester:
YU-3112-C/
90890-03112
SIGNALING SYSTEM
No good
No good
Input voltage
Output voltage
No good
6 - 75
ELEC
Recharge or replace.
Repair or replace.
No good
Replace wire harness.
Replace multi-function
No good
– +
display.
Replace.