Help with Johnson 48hp

[Curapa]

Originally Posted by Destroyer

My first guess would be to look at your coils. You've ruled out fuel as a problem by rebuilding/replacing just about everything, so it seems to me you have an electrical problem. Since the engine runs good while it's cool and then starts to act up when it warms up I think you have a cracked/bad coil somewhere. Of course, that's just an opinion and I don't have nearly the expertise of some of the other guys here, so wait and see what they have to say before you pull anything apart. (But if it were my engine that's where I would look first) In all cases I think your problem is electrical, not fuel related.

Thanks,

I actually had the opposite thought. Seeing as it will stay somewhat running with the choke held I figured it to still ba a fuel issue.

I'm not sure warming up helps or hurts, it seems to act up when WOT is reached and goes down hill from there.

Curt