33Engine control systemEMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha dealer if the problem cannot belocated and corrected.EMU2681COverheat alertThis engine has an 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 equipped on thetiller handle, remote control box, or mainswitch panel).If the alert system has activated, stop the en-gine and check the cooling water inlets:● Check trim angle to be sure that the cool-ing water inlet is submerged.● Check the cooling water inlet for clogging.ZMU04766ZMU03364ZMU01757ZMU03025ZMU03026
