Topic: 1958 super sea horse – Page 2 – Antique Outboard Motor Club,Inc

This topic has 22 replies, 5 voices, and was last updated 2 years, 10 months ago by frankr.

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June 13, 2021 at 4:17 pm #240150
fleetwin
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US Member - 2 Years
It concerns me that the previous owner had the gearcase all apart….I would keep an eye on the oil level in the gearcase and change the fluid frequently….
June 13, 2021 at 8:34 pm #240172
tinkerman
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US Member
He’s a mechanic by trade and he was fixing known issues. He seemed like an honest guy. Would the leaky gas tank cause the engine not to run?

It's a jungle out there.
June 14, 2021 at 1:01 am #240185
frankr
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US Member
The leaky tank could be sucking enough air to prevent filling the carb. Whether it is or not, there are tiny orings that are shot and need to be replaced. An easy job.
June 14, 2021 at 3:54 pm #240259
ede
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US Member - 2 Years
Send me an email note, do have NOS cyl head and some carb parts and OH gaskets set Ed Elliott, eddelliott@cox.net
June 15, 2021 at 11:17 am #240314
tinkerman
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US Member
I took the carb off and removed the top to access the float. Everything looked CLEAN float valve was working properly. The guy said they always drained the carb and I tend to believe him. I have NEVER tore into an older motor like this and seen zero varnish of any kind. The float looked like it just came out of a package. Not a single trace of debris in the float bowl. I’m hoping my problem is just the gas tank or primer bulb. I have a new head and gasket coming for the stripped threads and gasket for the tank. I’m hoping it works out

It's a jungle out there.
June 19, 2021 at 6:30 pm #240676
tinkerman
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US Member
I fixed the fuel tanks installed new head and gasket. Started the boat in a Barrel and adjusted the low idle. It’s starting and runnin exceptionally well. BUT (always a but) the water from the barrel is smelling strongly of raw gas. I’m assuming it’s coming out the exhaust? What causes this. I e read posts where people say these engines dump as much as a quart of raw fuel per 6 gallon tank. Is there a worn part that’s causing this or just a flaw with these engines? It literally starts and runs perfect in the tank but I don’t really wanna dump a follow of gas in the lake Everytime I go out. (My kids swim there) please chime in

It's a jungle out there.
June 19, 2021 at 6:57 pm #240677
frankr
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US Member
Well it is a fact of life that they (and all old outboards) do dump some gas & oil.. But a quart per 6 gallons would be stretching the facts a bit.
June 19, 2021 at 8:05 pm #240682
tinkerman
Participant
US Member
Glad to hear that for sure frank. Ive also heard they burn 6 gallons of fuel in 1/2 hr. I’m hoping their stretching that a little also

It's a jungle out there.
June 20, 2021 at 11:18 am #240730
frankr
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US Member
Well the fat fifty does have a reputation as being a gas hog. And I suppose they could burn that much if improperly adjusted. But a well running motor should use maybe 7-8 gallons per hour at WOT. Do you know if yours has the factory carburetor upgrade kit?
June 21, 2021 at 10:17 pm #240865
tinkerman
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US Member
Well I took the boat out today and it used 12 gallons in 5_1/2 hrs. We were moving most of that time and some with pulling a tube. Frank I’m not sure what I’m looking for on the carb but I do have the original owners book for the engine that talks about planing it out then easing back on the throttle. I did this about all day and I could feel almost a little click when I eased it back. The manual said this alone could save you 25%. At 12 gallons do 5_1/2 hrs I can live with that. And I think if we were just cruising it would do better yet. How do I physically know if it has the upgrade frank?

It's a jungle out there.
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1958 super sea horse

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