90hp mercury sportjet burn spark plug

[rirondeau]

I have a Zoom boat with 90hp mercury sportjet the plug of the center cylinder burn in 2 minutes each time.
why doe's the plug burn and how can I repair it?

thanks.

 

[SpinnerBait_Nut]

Re: 90hp mercury sportjet burn spark plug

Welcome to iboats.
This is the wrong forum.
You need the Mercury/Mariner trouble and repair forum.