Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: spark plug location on 115 merc 4 stroke

Posted by john 3 16 on 11/26/09 - 8:19 AM
#1

I have a 2004 Mercury 4 stroke EFI on a 190 Natucket, and I can't find where the spark plugs are located?? I feel like an idiot but I cant find them? I wanted to fog the engine to winterize it and I can't find them, the manual doesnt show them? I just got the boat in april this year. Thanks for help, Happy Thanksgiving..

Posted by Phil T on 11/26/09 - 8:37 AM
#2

John -

I would guess they are hidden behind a long rectangular cover running vertically on the back. Look for 4 separate wires that are going into the sides . Remove the cover.

I will email you a photo of my motor to help.

Happy gobble gobble.



Posted by JohnnyCW on 11/26/09 - 9:50 AM
#3

Not familiar with the 115 but I know on the 90 they are on the back of the motor under a plastic cover.