1950’s Johnson Tall Boy tank. Need gasket & diaphragm

[Tom Holmes]

Anyone have a gasket and diaphragm kit or a lead on a supplier?  The Johnson Tall Boy 6 gallon takes a different gasket / diaphragm versus the more common low profile tank.  I have a nice 55 Johnson 5 1/2 that I would like to run as a two line paired to this tank.

[Tom Holmes]

The tank in question

[labrador-guy]

Tom welcome!   That tall boy tank was only used a couple years.  49/50 I think, anyway your little ’55 Johnson originally came with a four gallon can.  Some people switch the smaller can for the six gallon.  If you can find the right material you can make your own gaskets.  Maybe someone will know if a rebuild kit is available for the tall guy.

dale

Get’em wet….don’t let’m set!

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Tom Holmes

[Tom Holmes]

I heard back from Vintage Outboards an hour ago or so and he tells me that the  gasket and diaphragm are in stock and now on its way to me.  Bought the cap cork also.  Now on to finding quality hose and rebuild parts for the motor connection.  Im really focused on running this particular motor as intended with a pressure tank.  Old school for better or worse.

[RICHARD A. WHITE]

I sell the tool to aid in replacing the o-rings in the connector. I include new o-rings with the purchase of the tool.

They are in stock.
My email and website are listed in this message body.

Regards..

Richard

http://www.richardsoutboardtools.com
classicomctools@gmail.com

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Tom Holmes

[JACQUES]

Tom,

to service your oldy  download this 450 page + bible… covers all you need to keep your engine going  another 50 years 🙂

 

download   store     print locally and  bind in 2  books with spring cord for easy flat reading

https://www.socalaomci.com/library/johnson_service_manual_10th_edition.pdf

Joining AOMCI has priviledges 🙂

1 user thanked author for this post.

Tom Holmes

[Tom Holmes]

Jacques, Really appreciate the CD-12 parts catalog.  Thanks!  I picked up that motor from the original owner and he ever had the owners manual.

[JACQUES]

ever even never …just in case

here is the 1954 operator  manual…pretty much the same for your 1955  version

🙂

Joining AOMCI has priviledges 🙂

1 user thanked author for this post.

Tom Holmes

[Tom Holmes]

Broke down the tank today and now that I can get a better look inside I’m surprised the Evaporust didn’t do a better job.  That’s the first tank that has defeated Evaporust so I’m thinking that jug was just overused sooooo,,,,,off to buy some fresh jugs. I might try RUST911 because it’s concentrate and can make over 6 gallons so I can fill the tank and hopefully address the center baffle.  The guts look pretty decent.  The gas gauge moves when I manually move the float so that’s a win.  The gauge face itself is pretty nice.  Even the primer gurgles before being refreshed with a new diaphragm.  The surprise is that the dual line that stores inside the top lip is 12ft long.

Anyone have any input on a source for dual line?  Sierra vs OMC experience?  I’ll be rebuilding the motor side connection which is a first for me.

[Tom Holmes]

Inside

[Author]

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