Starting Circuit Operation - Yamaha YFM7FGPW Service Manual

E
D
1
2
C
3
6 4
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8
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ELECTRIC STARTING SYSTEM
EBS00507

STARTING CIRCUIT OPERATION

The starting circuit on this model consists of
the starter motor, starter relay, starting circuit
cut-off relay, rear brake light switch, rear brake
relay and gear position switch. If the main
switch is on and the engine stop switch is in
the RUN position, the starter motor can be
operated only if:
• The transmission is in neutral (the neutral
• The transmission is in park (the park
A B
• You pull in the rear brake lever or push
The starting circuit cut-off relay prevents the
starter from operating when the select lever is
in gear or in reverse and the rear brake lever
and brake pedal is free. In this instance, the
starting circuit cut-off relay is off so that current
cannot reach the starter motor.
1 Battery
2 Main fuse
3 Main switch
4 Ignition fuse
5 Engine stop switch
6 Signaling system fuse
7 Rear brake light switch
8 Rear brake relay
9 Diode 2
0 Gear position switch
A Starting circuit cut-off relay
B Start switch
C Diode 1
D Starter relay
E Starter motor
9 - 17
switch circuit of the gear position switch is
closed).
or
switch circuit of the gear position switch is
closed).
or
down on the brake pedal (the rear brake
light switch circuit is closed).
– +
ELEC