1972 85 hp v4 sparks sometimes

[joshrogel]

Hello all,

Just wanted to touch base here on my little issue. Sometimes my motor will fire up and sometimes not. I did a bit of tsing when it would not fire up. Well no spark was coming out.
I think it has do something with the amplifier. Seems to be the only logical explanation going on here.

Opinions are welcome. Thanks for the feedback.

 

[boobie]

Re: 1972 85 hp v4 sparks sometimes

Try cdielectronics.com and you should find some info there.

 

[joshrogel]

Re: 1972 85 hp v4 sparks sometimes

Try cdielectronics.com and you should find some info there.

Looks like this one will work, correct me if im wrong. Just don't want to burn 300 bucks on a wrong part.


Found an older post my Joe to another unlucky fella.
"joereeves

"For your specific engine 1972 85hp Evinrude, the OMC original part number of that pulsepack is 383299 which is superseded by and up to 389551 to 397123.

It looks like i can use this one from CDI site... Since the superseded part is replaced my CDI replacement. But its not a 6 cylinder, maybe the description is a tad misleading????

CDI site

Product Description

Power Pack; 6 Cylinder; *No Tachometer Output, For Use with Points Triggering.
Replaces:

389549, 389550, 389551, 397123, 398550, 398551, 389551L, D550, D551

 

[emdsapmgr]

Re: 1972 85 hp v4 sparks sometimes

That was one of the last engines that still had points. Possible it's a simple as bad points/condenser. Go with Boobie's website recommendation.

 

[joshrogel]

Re: 1972 85 hp v4 sparks sometimes

That was one of the last engines that still had points. Possible it's a simple as bad points/condenser. Go with Boobie's website recommendation.

Would the key switch have any thing to do with this problem?
I had to go in and rewire it about a yr ago. Wires grounded out causing a short and killing the battery.

Also, it seems like when i adjust the points and then go back in a they are more closed. Then again, i readjust and try to fire it up and sometime it work and others not!

 

[joshrogel]

Re: 1972 85 hp v4 sparks sometimes

Would the key switch have any thing to do with this problem?
I had to go in and rewire it about a yr ago. Wires grounded out causing a short and killing the battery.

Also, it seems like when i adjust the points and then go back in a they are more closed. Then again, i readjust and try to fire it up and sometime it work and others not!

It states "No Tachometer Output", this means i will loose my tach?

 

[emdsapmgr]

Re: 1972 85 hp v4 sparks sometimes

Were the points and condenser recently replaced?

 

[joshrogel]

Re: 1972 85 hp v4 sparks sometimes

Were the points and condenser recently replaced?

I replaced them sometime last year. They are breaker points