right plugs for 1978 Mercury outboard motor 800 - 80 horse power

Sunset lake

Recruit
Joined
May 25, 2011
Messages
5
I don't claim to be the sharpest pencil on motors but my motor has been starting real hard since mechanic putzed with it. I pulled cover off and looked at plugs - all four and it said L78V champions but no gaps things like I am used to seeing like on lawm mower - just flat at the end - confused in Michigan - is that the best plug or even right ones?
 
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