TOHATSU 2.5 Owner's Manual page 28

(1) This stop switch is provided for the safety of the driver. If the lock
is released from the stop switch. the engine will stop. The engine
will not start if the lock is in released condition. The emergency
stop line should be connected to the driver's wrist, so that the
engine will shut down if the emergency stop line is disconnected
from the switch in the event of an accident such as the driver being
thrown overboard or the boat capsizing.
(2) Be careful not to entangle the emergency stop line when operating
the handle or while running in reverse. If the lock is released when
running at high speed, the engine and the boat will stop suddenly.
This is dangerous and may cause injury to the driver and
passangers.
(1) The stop switch should be installed only by your dealer.
(2) Confirm that the stop switch works properly every time before
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