1998 johnson 15 hp spark plug

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yamar6racer

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Sep 9, 2011
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Hello just pick up a johnson 15 hp model j15recr outboard today in a trade for my rebuild 1968 envirude sportwin 9.5hp. Seems to be in decent shape and fires right up. Lookng to change the spark plugs it has some ngk b9hs10 plugs in there now but they are a bit worn out and want to replce them. Are these the correct plugs and what is the correct gap settings? Can any one help?
 
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boobie

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Nov 5, 2009
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20,826
Re: 1998 johnson 15 hp spark plug

Recommended plug for that mtr is Champion QL82C gapped at .030 ". For extended idle use QL86C or L86C gapped at .030 ".
 
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yamar6racer

Cadet
Joined
Sep 9, 2011
Messages
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Re: 1998 johnson 15 hp spark plug

do you know where i can get those plugs i ahve gone to several auto parts store and they havean alternate plug but not that specific one. does it make a difference?
 
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boobie

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Nov 5, 2009
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20,826
Re: 1998 johnson 15 hp spark plug

Try a BRP dealer or you haven't got the right parts house.
 
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