Electric Starting System; Starting Circuit Cut-Off System; Starter Motor - Yamaha XZ550RJ 1982 Service Manual

STARTING CIRCUIT CUT-OFF SYSTEM

The starting circuit cut-off system is employed.
Hence, the following description.
Starting circuit operation
The starting circuit on this model consists of the
starter motor, starter relay, and the starting circuit
cut-off relay. If the engine stop switch and the main
switch are both on, the starter motor can operate
only if:
The transmission is in neutral (the neutral switch is
on).
The clutch lever is pulled to the handlebar (the
clutch switch is on) and the sidestand is up (the
sidestand switch is on.)
or if
The starting circuit cut-off relay prevents the starter
from operating when neither of these conditions has
been met. In this instance, the starting circuit cut-off
relay is off so current cannot reach the starter motor.
When one or both of the above conditions have been
met, however, the starting circuit cut-off relay is on,
and the engine can be started by pressing the starter
switch.
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