Intermidiate spark

D

DougY

Recruit
Joined
Mar 10, 2009
Messages
5
I need some help guys,
I have a 1975 model 50 hp Evenrude that is not firing properly. At times it will fire right up and at other times it will not produce any spark to the plugs(neither plug) Can someone tell me where the break down may be? I have had some people tell me that it could be the power pack, others tell me the coils. Any advice would be greatly appriciated.
 
R

Rick.

Captain
Joined
Jul 30, 2006
Messages
3,740
Re: Intermidiate spark

Usually it is the coils on older models. Pull your flywheel and have a look at them. If the are cracked, replace them. Rick.
 
tashasdaddy

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Intermidiate spark

i had a 73 50hp doing they same thing, it was the power pack, a coil would only effect one plug.
 
D

DougY

Recruit
Joined
Mar 10, 2009
Messages
5
Re: Intermidiate spark

if it was the coils, would they fire at times and then not fire? when I am getting fire, I get it from both, when I am not, neither plug gets a spark.
 
tashasdaddy

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Intermidiate spark

power pack is what is causing both not to fire.
 
D

DougY

Recruit
Joined
Mar 10, 2009
Messages
5
Re: Intermidiate spark

what would be the best method for checking the Power Pack?
 
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