Yamaha 100A Owner's Manual page 102

ON
OFF START
ON ON
OFF START OFF START
N
6) Turn the main switch to "ON".
NOTE:
In case of dual-engine operation, when
the main switch is turned on, the buzzer
operates for a few seconds and stops
automatically. Should either of the dual
engines stall, the buzzer operates.
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Electric Start Model
7) Open the throttle slightly without
shifting using the neutral throttle
lever or the free accelerator.
After the engine starts, return the
throttle to the original position.
NOTE:
The rotation angle of the neutral throttle
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lever or the free accelerator should be
determined upon the engine temperature.
(When the engine is cold, it is necessary
to rotate the lever a little farther.)
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3-15
GB