Cork float weight

[GARY SMITH]

I have a DT38 Johnson carb with the cylindrical style cork float. Can anyone tell me what it should weigh ? Also where I might find a replacement if this one turns out to be no good.

[Buccaneer]

I can’t say that I ever weighed a cork float. I bought
a bag of corks off Ebay a few years ago, and
just find one similar size. Some I’ve had to shorten, etc.,
to use. Usually I seal them with super glue, and haven’t
noticed any problems with their function yet.

Prepare to be boarded!

[GARY SMITH]

I do have a bottle of old corks I could go through. I thought by knowing what it shoul weigh I could tell if this one was any good. I have instant glue here so I’ll give it a try .thanks.

[crosbyman]

porosity is more of an issue than weight I think. no tree is identical and cork density would vary anyway.

Archimede law…. cork will displace it’s weight in fuel and float anyway !

Joining AOMCI has priviledges 🙂

[Tubs]

You adjust the position of the cork, up or down,
to a specified fuel level in the float bowl.
In these the position is fixed by the slot that the
clips goes in on the needle. It is not that critical on
this motor. However in my experience it can be
difficult to get the needle and seat to seal in
these so you want to use as large a cork possible.
Alignment of the hole in the center of the is cork
is critical as you don’t want the needle dragging
where it fits in the float bowl cover.
Tubs

A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.

[lloyd]

Weight is not critical but you want to use a cork with a minimal number of holes in it so that it will be easier to seal. If your original cork has lots of black areas that is a bad sign as it is mold that turns them black as it eats away the original cork. You can get a new cork at ACE hardware and cut it down to correct size. 1 3/16 ” diameter and 1″ tall for your motor. Lots of good info at : pochefamily.org/outboard. But note that the ad for my leather primer seals on that website is over 10 years old and the price is long out of date. New primer seals and instructions are $10.00 per set.

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