Misfire condition please help

izu

izu

Seaman
Joined
Jul 2, 2007
Messages
55
1980's Merc 115hp 6 cyl model # 6480320

How to detemine if it's a bad/weak coil, switch box.
I need an experienced man's help.
 
Last edited:
L

Laddies

Banned
Joined
Sep 10, 2004
Messages
12,218
Re: Misfire condition please help

Heres the test procedure from CDI the first thing to do if you have a induction tach or timing light is to try to isolate the problem, as the OHM test will find a full time problem to do a complete test you need a DVA/peak volt meter
scan0004.jpg

scan0005.jpg
 
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