8 HP Nissan spark issue

loco50

Seaman Apprentice
Joined
Jan 5, 2012
Messages
37
I have a NS8 B 1990 with no spark one side. If one side has spark and the other dosn, t what should I replace. I moved the spark plugs from the bad side to the good and know its not the plug. Would you replace the plug wire on the bad side next?
 

TOHATSU GURU

Admiral
Joined
Jul 22, 2004
Messages
6,164
Re: 8 HP Nissan spark issue

You would use the factory service manual to get the values and test procedures so that you do not spend money replacing good parts. Otherwise, is's just a guess as to what is wrong.
 

pvanv

Admiral
Joined
Apr 20, 2008
Messages
6,559
Re: 8 HP Nissan spark issue

That motor has a siamese coil, so if 1 fires, they both should. You can test the coil and wiring using the Factory service manual as a guide.
 

loco50

Seaman Apprentice
Joined
Jan 5, 2012
Messages
37
Re: 8 HP Nissan spark issue

Thanks for the great advice. After pricing electronics replace ment decided to part out motor
 
Last edited:

Sea Rider

Supreme Mariner
Joined
Sep 20, 2008
Messages
12,345
Re: 8 HP Nissan spark issue

If engine is in good running cond why part it prematurely. Probably is just a faulty spark plug cap or worst scenario a bad ignition coil ?

Happy Boating
 
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