Re: 1952 Johnson Seahorse RD12 25 HP – Removing Flywheel and Source for Ignition Parts

[1949-penn-yan]

Cajun,

I watched all of the videos, with MANY thanks for taking the time to create those, as they were very helpful.

UPDATE

Now that the flywheel is off, I had time to investigate things in more detail this weekend. I immediately noted that the points were not closing all the way.

I took time to thoroughly clean the points, remove and inspect the breaker points cam. On one set of points, I can set them to the factory spec of .020". When at the low point on the breaker points cam, however, they will not fully close. The gap is .007".

On the other set of points, I can’t get the setting to the factory spec of .020. I can get it if the points anchor screw is not tightened, but as soon as I tighten it the gap increases to just above .020". No adjustment of the adjustment screw will fix it. And to top it off, like the other set of points, the points won’t fully close when on the low side of the breaker points cam.

I am lining up the points rubbing block with the "TOP" designation on the breaker points cam. The rubbing blocks on the points (where they ride against the cam) are in pretty good shape. I spent a lot of time trying rectify both problems, but to no avail. I’m perplexed, and would appreciate any guidance.

Other

I went to http://www.marineengine.com/, but they note that they do not sell parts for engines older than 1955.

Thanks,

John