evinrude 1986 140 HP VRO

edthearcher

Petty Officer 2nd Class
Joined
Sep 22, 2007
Messages
116
what spark plug should I use, I just purchased this javelin bass boat with the above mentioned motor, at present the plugs champion QL78C, I bought a repair manual and in dosnt say and have on order a owners manual I replaced the plugs and checked them this morning after useing the boat yesterday for about 2 hours, the plugs are all black.
 

envader

Seaman
Joined
Aug 21, 2007
Messages
57
Re: evinrude 1986 140 HP VRO

120, 140hp (90? V4 Looper)

1985 - 1993

QL77JC4 or QL16V Surface Gap .030

Try this good luck!
 
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