Gap for QL78C 1995 48/50 HP Johnson

What is the spark plug gap setting for Champion QL78C spark plugs on a 1995 48/50 HP Johnson? I've seen .030 and .040 listed on the net.

Re: Gap for QL78C 1995 48/50 HP Johnson

The reccomended gap is .030, however, if you do alot of trolling/idling .035 to .040 may suit you better.

Re: Gap for QL78C 1995 48/50 HP Johnson

Thanks Chris.

RB

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