Home › Forum › Ask A Member › Late 30’s seaking
- This topic has 14 replies, 7 voices, and was last updated 3 years, 9 months ago by Mumbles.
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June 30, 2020 at 9:47 pm #207217
I’ve got this late 30’s sea king about finished and I’m wanting to put new decals on. The site says specify hp but I’m not sure. Serial # is 101838 but nothing in the old outboard book about serial #’s and sea kings. In the price guide section it mentions a midget single cylinder with the chipmunk spark plugs covers but mine is a twin . I have another seaking twin a year or two newer and part of the decal is legible and reads 3 HP but it looks a little bigger than the one I’m questioning. Any help is appreciated and y’all have already answered a couple questions about this motor and it now starts and runs
It's a jungle out there.
- This topic was modified 3 years, 9 months ago by Mumbles.
June 30, 2020 at 10:39 pm #207224I don’t know what model, but it’s a neat looking motor. I looked through jpegs of ads I’ve saved over the years,
and don’t see one like it. I wonder “who” made this motor for Sea King in this era?Prepare to be boarded!
June 30, 2020 at 10:51 pm #207225I was thinking Evinrude because aside from the spark plugs covers (and the sea king shaped tank) it resembles a handitwin I’ve got from the same era. I’ve found a couple of random charts online but they say late 30’s was a 3 HP Evinrude built twin and a 5 HP Evinrude built twin. If the decal is correct on the other one I have then this mystery one is LESS than 3 HP, simply because it has smaller heads and exhaust than the 3 HP I’ve got. Somebody will know, I think. There’s guys on here that are a lot more knowledgeable than me on these old motors (thankfully)
It's a jungle out there.
July 1, 2020 at 11:40 am #207303page 263 of P Hunn’s The Old Outboard book shows Evinrude built Sea Kings; check both columns; there are listings for a 2.5HP model, bottom right column. Maybe that fits.
July 1, 2020 at 1:26 pm #207335If you go to Jason Baxter Wizard Outboard site and go to Tech you will find some date on the prewar Sea King outboards. I thing enough to pin
down which twin model number you have. That may be useful in tracking
down a decals.
Good Luck
LouisEdit Montgomery Ward Sea King brand outboards were made by Evinrude in1938 to 1942 prewar period, except for a price
leader single made by Thor / Kiekhaefer.- This reply was modified 3 years, 9 months ago by green-thumbs.
July 1, 2020 at 3:41 pm #207349there may be a model # on a welsh plug in the left cylinder, behind the carb; you may have to take the gas tank and the carb off to find it; and it may be covered with grime, etc
July 1, 2020 at 4:42 pm #207353I have the identical motor — it has no stamped serial number anywhere…. just casting #s. Welch plugs are blank.
It’s a derivative of the Evinrude sportsman (2.5hp – 3.3hp)…. the opposed twin motor with the “cheeks”.
Like most small evinrudes of the era, the skeg on those motors is extremely fragile.
It’s got Evinrude’s poppet valve drown-it-to prime-it carb — very messy.
It’s a sweet running motor — make sure the poppet valve moves up on inhale and returns to the seated position.
July 1, 2020 at 4:46 pm #207355P.S. the closest I got on identifying it was from Art Dekalb — he sold me a casting for the upper plate of the lower unit….. he said the model # probably had “EA” in it.
…. maybe you can find an old MW catalogue on line.
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July 1, 2020 at 6:02 pm #207369Thanks for the replys, I’ll follow up on em.
It's a jungle out there.
July 1, 2020 at 10:21 pm #207389Upon examination and studying Peter Hunns book more closely, I believe my sea king to be a 2-1/2 horsepower the engine block and heads are identical to a handitwin, which is 2-1/2 HP and their are a couple of 2-1/2’s listed in the old outboard book. It’s puzzling that their is NOT a serial number on some of these motors. I felt like all the numbers I found were casting numbers and the other gentleman that commented verified this. Anyway that’s what decals are going on it. Thanks for all the help. (Now if anyone’s got a plunger for the points for a 36 hannditwin and a Bosh coil I’d gladly pay fair price for it. I’m gonna post this in classifieds
It's a jungle out there.
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