FUEL INJECTION SYSTEMFault code No. 89 (Yamaha diagnostic tool )Err (multi - function meter display)Item Multi- function meter: signals cannot be t ransmitted betweenthe ECU and the multi-funct ion meter.5 Malfunc ti on in ECU. Replace th e ECU.Refer to "R EPLACING THEECU (engine control unit)" onpage 8-93.8-79