Looks closer maybe to a waterman marine engine. Does it have a two piece bolt together aluminum crankcase? Cast iron cylinder with copper top water jacket? Need to see a photo of the opposite side of carb side. I do agree that the flywheel probably is not original but I could be wrong. It's a nice looking little marine engine.
It does look pretty close. This engine does have the aluminum crankcase, but it's 3 pieces and the engine mounts are horizontal. All the Watermans I saw the mounts were vertical. It does have the cast iron cylinder. I got this right by where you live. Do you know where I can get a cuno timer and a head fore a ZR Palmer?
Thanks for your reply. What engine shows doe they have here in FL?
Go to the show & Auction Calender section on the SmokStak menu. At the bottom right select month & year and it will show you all the shows for that period. Florida Flywheelers have 3 shows a year always the same months, Nov, Jan & Feb. Next show just a couple weeks away Nov 6,7,8,9, 2019 Fort Meade Florida. I have a Cuno timer I would part with not sure if it is the one you need. Click on my name and send me a email or go to my website my email is listed there at the bottom of main page. I'll send you pics. Looks like the mounts on your engine mount vertical. The engine mounts on the Waterman model K1 mount horizontal. I think Waterman probably produced different versions of the mounts for different applications would be my guess.