How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
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
Type Your Boat Question Here...
Dominick is online now
A new question is answered every 9 seconds

I have a Mercury 25 hp serial no oa955924....ran good last

Customer Question

I have a Mercury 25 hp serial no oa955924....ran good last fall now spark plugs will not fire. Has been stored in an enclosed shed.
Submitted: 1 year ago.
Category: Boat
Expert:  Jason replied 1 year ago.

Hi James, my name is ***** ***** I will be helping you today.

Do you have a decent quality hand held volt/ohm meter, and do you know to take resistance measurements?

Are you near the engine now and ready to work?