Search found 3 matches

by Karld
Sat Sep 25, 2021 4:47 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Mercury Engine Alarm Interpretation
Replies: 5
Views: 2694

2001 Mercury 250-HP Overheat Alarm

My outboard engine, a Mercury 2001 two-stroke-power-cycle 250-HP model XL EFI had been running fine. I [had a] shop [perform the] "100-hour service." I then took the boat for a short spin. [The Mercury 2001 250-HP engine throttle was set to] idle for maybe [the time needed for the boat to ...
by Karld
Sat Sep 25, 2021 4:35 pm
Forum: REPAIRS and MODIFICATIONS
Topic: Mercury Engine Alarm Interpretation
Replies: 5
Views: 2694

Re: Mercury Engine Alarm Interpretation

In troubleshooting [I discovered the 2001 Mercury 250-HP two-stroke-power-cycle engine the] oil reservoir is filled from a remote tank. I [have] now [decided that the] source of [the] alarm [described above is not] oil. Using a thermometer [I observed the engine temperature rose] quickly from cold s...
by Karld
Sat Sep 25, 2021 10:00 am
Forum: REPAIRS and MODIFICATIONS
Topic: Mercury Engine Alarm Interpretation
Replies: 5
Views: 2694

Mercury Engine Alarm Interpretation

[On a] Mercury 2001 3-liter 250-HP engine model XL EFI and serial number OT512640, there is a continuous alarm about three to five minutes after engine start. I recently noticed the oil reservoir tank on the engine loses about one to two cups [8 to 16 ounces] of oil after the engine has been tilted ...