Charging System Peak Voltage; Fuse; Battery - Yamaha 40V Service Manual

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ELEC
CHARGING SYSTEM

CHARGING SYSTEM PEAK VOLTAGE

1. Measure:
Rectifier regulator input
Below specification → Lighting coil
measurement.
Rectifier regurator input:
(electrical model)
8.5 V @ cranking
25 V @ 1,500 r/min
25 V @ 3,500 r/min
Measuring steps:
Connect the tester to the rectifier/regu-
lator as shown.
Set the tester dial to specification.
Range:
—
. ......
V
Crank or start the engine.
2. Measure:
Lighting coil output
Beyond specification → Replace recti-
fier/regulator.
Below specification → Replace light-
ing coil.
Lighting coil output:
9.0 V @ cranking
25 V @ 1,500 r/min
25 V @ 3,500 r/min
Measuring steps:
Connect the tester to the lighting coil
as shown.
Set the tester dial to specification.
Range:
—
. ......
V
Start the engine.

FUSE

Refer to "STARTING SYSTEM".

BATTERY

Refer to "GENERAL" in chapter 3.
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