Electric Starting System (Electric Starting Model); Troubleshooting Chart - Yamaha MZ250 Service Manual

ELECTRIC STARTING SYSTEM (ELECTRIC STARTING MODEL)

TROUBLESHOOTING CHART

TIP
Use the following special tool(s) for troubleshooting.
Analog pocket tester:
YU-03112-C
Pocket tester:
90890-03112
1. Fuse
9 Remove the fuse.
9 Connect the pocket tester (Ω × 1) to the
fuse.
9 Check the fuse for continuity.
(Refer to "FUSE (ELECTRIC STARTING
MODEL)" on 5-2)
CONTINUITY
2. Battery voltage
9 Connect the pocket tester (DC 20 V) to
the battery terminals.
9 Measure the battery voltage.
Tester + lead → battery positive terminal
Tester - lead → battery negative terminal
Battery voltage:
12.8 V or more
MEETS
SPECIFICATION
ELECTRIC STARTING SYSTEM
(ELECTRIC STARTING MODEL)
THE STARTER MOTOR DOES NOT OPERATE
NO CONTINUITY
OUT OF
SPECIFICATION
5-11
Digital tachometer:
YU-39951-B, 90890-06760
Replace the fuse.
9 Clean the battery terminals.
9 Recharge or replace the battery.
ELEC