Mercury 150 optimax 2010

[Paulbarb]

New battery charging good new fuel filters and pump drain new water pump oil full engine reservoir full oil sensor changed 30 seconds after start up alarm starts don’t quit Constance Need help

 

[Chris1956]

Gee, what alarm? How many beeps?


That motor has three fuel pumps on it, 2 electric and one mechanical lit-type pump. I presume you rebuilt the mechanical pump?

Was there water in the water separator on the motor?