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Nice Motor. It is a little nicer than mine which has faded to nearly bare aluminum on the cowl. I have about 90-95 psi compression with mine and the cylinders have seen better days. I would pull the exhaust covers and take a look inside to see how yours look.
Mine will not stay running and I’m almost 100% convinced mine is due to water intrusion through the exhaust baffle plate. I have not taken the exhaust cover off yet to see how the plate looks but I’m betting there are holes in it. Hopefully yours has not suffered a similar fate. I plan to do a complete rebuild on mine at some point unless I stumble upon a powerhead in much better condition. It is a great motor that I want to run someday.
I have two ’54 Johnson 25s. An RD-16 and an RDE-16 that are both fantastic runners and probably my favorite tiller motors to run on a boat. Well worth putting the work in to get it going. They are a blast.
-Ben
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