Thermo Unit System - Yamaha TZ125M1 Owner's Service Manual

EC6A0000

THERMO UNIT SYSTEM

EC6A1000
INSPECTION STEPS
If the water temperature gauge (thermo unit) will not operate, use the following inspection steps.
Check each couplers and
wire connection.
OK
Check thermo unit
OK
*1Check CDI magneto.
OK
*2Check voltage regulator.
OK
Replace condenser or
tachometer assembly.
*1 marked: Refer to "IGNITION SYSTEM" section.
*2 marked: Refer to "SOLENOID VALVE SYSTEM" section.
NOTE:
A
• Remove the following parts before inspection.
1) Cowling
• Use the following special tools in this inspection.
Pocket tester:
YU-03112/90890-03112
THERMO UNIT SYSTEM
No good
No good
No good
Source coil
No good
Out-put voltage
6-9
ELEC
Repair or replace.
Replace.
Replace.
Replace.