Topic: 1953 Sea King 3hp – Antique Outboard Motor Club,Inc

This topic has 10 replies, 4 voices, and was last updated 2 months, 1 week ago by Dave.

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September 2, 2024 at 12:49 pm #290378
Dave
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I am deciding if this is going to be a project or just parts. I need a piston, piston rings, wrist pin and clip, and a connecting rod.

This is a Gale series 3D11 motor, mod# 35GG-9004B, ser# 522137. The part numbers are as follows:

piston 590-186, rings 550-314, wrist pin 550-315, clip 120-110, connecting rod 590-007. I have sent emails to marine engine.com, Sea Way Marine, Vintage Outboard, Mr Motor Classic Outboards, Laings Outboards and Crowley Marine.

Any other places to check that you could think of let me know. Thanks!!

'57 Johnson QD18 10hp
'53 Sea King 3hp
September 6, 2024 at 2:22 pm #290570
bobw
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US Member
Dave – I restored a 1957 Sea King 3hp which should be the same as your motor. I was able to get the piston and rings on Ebay along with the water pump rotor and gearcase gasket and oil seal. I posted the parts list for the Gale 3hp you asked for in another post – the part numbers listed there should be the same for your Sea King. There are several current listings on Ebay for the 590186 piston.

Bob

1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20

“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."
September 6, 2024 at 5:37 pm #290584
Dave
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US Member
Thanks!!

'57 Johnson QD18 10hp
'53 Sea King 3hp
September 6, 2024 at 5:47 pm #290586
Dave
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US Member
Hey BobW,

When you were restoring your ’57 Sea King 3hp, did you have a need to disassemble the lower unit into its 2 parts? The reason I ask is that I was considering doing that to get to the drive shaft seal that is in the bottom of the upper piece of this 2 piece lower unit. I’m not sure if it needs replacing but if I can it is a relatively cheap seal. I know there is a single screw towards the front off the lower piece that holds the two together, but I don’t know if these pieces really do come apart.

'57 Johnson QD18 10hp
'53 Sea King 3hp
September 6, 2024 at 6:25 pm #290591
frankr
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US Member
There is another, large screw/bushing that the drive shaft passes through. They normally are very difficult to remove. I am of the old let-it-leak school on that one. Besides, the new seal is so cheap because it is a very poor design/quality. I have started tooling up to improve it with a better seal. A project that may never get completed (on bucket list).
September 7, 2024 at 1:34 pm #290615
bobw
Participant
US Member
Dave – I’ll second what Frank said. I chose not to dismantle the lower unit into its 2 parts because I had heard that bushing/screw piece was problematic. I’d leave it alone and just check the lower unit for any water leakage. Lubriplate 105 in the gearcase will protect the gears even if you get some water intrusion.

Bob

1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20

“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."
September 13, 2024 at 2:35 pm #290763
Dave
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US Member
Thanks guys. I sometimes get a bit ridicules when it comes to disassembly. If I can’t break it down into all it’s little parts I feel I’m not doing the complete job. That said, I am going to heed your advice and leave that bushing alone.

'57 Johnson QD18 10hp
'53 Sea King 3hp
September 15, 2024 at 3:40 pm #290798
Dave
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US Member
I could use some help on another matter. The prop shear pin. I don’t have one and I have no luck searching under the part Gale number 29-210, or in general with that number or 029210.

If ya’ll could point me in the right direction, or if you know that this has swapped to multiple different part numbers please clue me in.

As always, thanks for the help.

Dave

'57 Johnson QD18 10hp
'53 Sea King 3hp
September 15, 2024 at 5:21 pm #290804
Buccaneer
Participant
US Member
I buy different diameters of brass rod for shear pins,
then cut them to length as needed.

Chart attached. Looks like you need a #2 shear pin.
Should be another chart somewhere telling it’s dimensions!

Prepare to be boarded!
September 15, 2024 at 5:42 pm #290806
Buccaneer
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US Member
Not sure what brand shear pins this list was for,
or who made it up, but perhaps it’s helpful.

Prepare to be boarded!
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1953 Sea King 3hp

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