Signaling System - Yamaha WR450F(Y) 2009 Owner's Service Manual

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. (Input voltage)
OK ↓
Check multi-function display. (Output voltage)
OK ↓
Check speed sensor.
*1 marked: Refer to "CHECKING AND CHARGING THE BATTERY" section in the CHAPTER 3.
• Remove the following parts before inspection.
1. Headlight
• Use the following special tools in this inspection.
Pocket tester:
YU-3112-C/90890-03112
No good → Recharge or replace.
No good → Repair or replace.
No good → Replace wire harness.
No good → Replace multi-function display.
No good → Replace.
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SIGNALING SYSTEM