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Ask Dominick Your Own Question
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have a 2000 mercury optimax I have two new batteries in

Customer Question

I have a 2000 mercury optimax I have two new batteries in the boat new gas tank and all new fuel lines. however when I try to crank the alarm beeps and it sounds like it turns over really slow. it will not crank.
Submitted: 1 year ago.
Category: Boat
Expert:  Jason replied 1 year ago.

Hi Rick, my name is Jason.

Do you have a hand held volt meter, and do you know how to take voltage measuremnts?

Customer: replied 1 year ago.
I know how to use it
Expert:  Jason replied 1 year ago.

Ground meter negative to battery negative (the actual starting battery if you have 2 batteries). Touch meter positive to the lug on the starter motor that the battery cable connects to. Have a helper hold the key to start. Is the voltage under or over 9.5?

Customer: replied 1 year ago.
Under 9.5 volts. Its 6.7 volts.