Engine control system35EMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha dealer if the problem cannot be lo-cated and corrected.EMU26827Overheat alertThis engine has the overheat alert device. Ifthe engine temperature rises too high, thealert device will activate. The engine speed will automatically de-crease to about 2000 r/min. The overheat-alert indicator will light orblink. The buzzer will sound.If the alert system has activated, stop the en-gine and check the cooling water inlets: Check trim angle to be sure that the coolingwater inlet is submerged. Check the cooling water inlet for clogging.Dual engine drive users:If the overheat-alert system of one engine ac-tivates, the engine will slow down. To switchoff the alert activation on the engine not affect-ed by overheating, turn off the main switch ofthe engine overheating. If the alert systemhas activated, stop the engine and tilt the out-board motor up to check the cooling water in-let for clogging. If the alert system has stillactivated, tilt the overheated outboard motorup and return to the port.EMU35025Low oil pressure alertIf the oil pressure drops too low, the alert de-vice will activate.ZMU01757ZMU04583OFF STARTONOFF STARTONZMU04584OFF STARTON ONOFF STARTZMU05827