Starting Circuit Operation - Yamaha YXR70FX Service Manual

C
B
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2
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ELECTRIC STARTING SYSTEM
EBS00507

STARTING CIRCUIT OPERATION

The starting circuit on this model consists of
the starter motor, starter relay, load control
relay, brake light switch, ECU (engine control
unit) and gear position switch. If the main
switch is "START" position, the starter motor
can be operated only if:
• The transmission is in neutral (the neutral
switch circuit of the gear position switch is
closed).
• The brake pedal is pressed (the brake light
A
switch circuit is closed).
1 Battery
2 Main fuse
3 Backup fuse
4 Ignition fuse
5 Main switch
6 Load control relay
7 Signaling system fuse
8 Brake light switch
9 ECU (engine control unit)
0 Gear position switch
A Diode
B Starter relay
C Starter motor
9 - 15
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ELEC
or