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Had an engine code 65 Alarm.

Riveramx

Jet Boat Addict
Messages
48
Reaction score
78
Points
87
Location
Saint Marys, Ga
Boat Make
Yamaha
Year
2013
Boat Model
SS
Boat Length
21
While out boating, I got an audible alarm on my starboard engine. Toggling my starboard engine panel, it said it was code 65. I still had full power but the alarm will sound every few minutes and I had to constantly silence it until we got back. After researching, I found that it referred to the thermosensor assembly part #: AA-85790-00-00. (#26 on the diagram). Cheapest place I found it was at Amazon. I check the sensor. Had some dirt on it cleaned the sensor on both engines put back together but still had the alarm. Tried disconnecting the battery and restarting a few times; same result. Finally ordered the part, replaced the faulty sensor and it started with no codes. Just putting this in here in case it happens to anybody. Happy boating!!!
 

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