37Engine control systemEMU26803Alert systemNOTICEECM00091Do not continue to operate the engine if aalert device has activated. Consult yourYamaha dealer if the problem cannot belocated and corrected.EMU2681AOverheat 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.ZMU04746ZMU01757ZMU05231ZMU04583
