Oh F*&@!!! Dropped my Fuel fill Cap!!!

For the record my cap part number is 522557 which is for gas engines. I had one stolen from my boat and the Perko versions would screw in but not seat. I found one on ebay.

They are made of stainless steel and don't care about magnets although the chains may be a different story.
 
PlayDate said:
For the record my cap part number is 522557 which is for gas engines. I had one stolen from my boat and the Perko versions would screw in but not seat. I found one on ebay.

They are made of stainless steel and don't care about magnets although the chains may be a different story.
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My bet is, if the chains were 316 SS we wouldn't have this thread.
 
techmitch said:
My bet is, if the chains were 316 SS we wouldn't have this thread.
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There are chains and then there are bead chains. The later really sucks. The former works great also. But to be honest, the issue is they both need to be screwed in to the throat of the fill and usually impossible to do so. That's why I went with the spring clip type.
 
About twenty years ago, on a previous boat, I had the same thing happen, TWICE, on one trip! Lost the first gas cap when the kid withdrew the filler nozzle. Plunk! I walked to a chandlery and the manager reimbursed me. That was in Northport, MI.
About a week later on the way home another gas jockey broke the chain on the new cap and this time we could not locate a replacement. So the fuel dock made up a temporary fix: 2" of threaded galvanized pipe with a threaded cap. Not pretty but it got us home. After that I used thin aircraft cable instead of the bead chain to attach the fuel caps and carried a plastic emergency cap.
 
SKybolt said:
There are chains and then there are bead chains. The later really sucks. The former works great also. But to be honest, the issue is they both need to be screwed in to the throat of the fill and usually impossible to do so. That's why I went with the spring clip type.
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I saw reference to your post about the cables and spring clips but somehow missed the actual post. I just went back and found it. I'm not still sure what to do on the next one and even though we've had these threads before, I always love the different input, thoughts and links so thanks for your input. Guess I owe you a cold one. PS I can remove and reinstall those screws with the greatest of cheese.
 
techmitch said:
... PS I can remove and reinstall those screws with the greatest of cheese.
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The ones that are 90 deg to the throat and while it is mounted in the boat? God bless you, I've tried with a 90 screw driver and only ever dropped the screw.
 
Blueone said:
So if the drain chain is so bad what is a good alternative?
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Nothing that attaches to the fill tube. Carefully remove the cap yourself and put it inside the boat where it can not fall into the water. When you are fueled up, you put it back on. Keep a spare on the boat.
 
Update:

These are for Diesel Fills…

The Attwood fill caps are the correct part. Attwood # 66061-3. The Amazon link listed earlier is correct.

on Packaging shows compatible with Attwood Deck fills 66411, 66412, 66034, 66124, 66125 and 66126.

O-ring is 1/8” Dia, 1-3/4” I.D., 2” O.D.

One other note, everything is magnetic, the cap, screw, chain, all of it. I should be able to go find my original cap, but fuel cost more that it’s worth!

I’m going to order another to keep onboard as a spare.

Lesson learned.

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SKybolt said:
I have the same ones. I also found the correct Perko part number to fit them. I have to dig through the spare parts on the boat to find it. I post back when I can find it.
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Sky- if you could help with the part number, that would be awesome!
 
dtfeld said:
Update:

These are for Diesel Fills…

The Attwood fill caps are the correct part. Attwood # 66061-3. The Amazon link listed earlier is correct.

on Packaging shows compatible with Attwood Deck fills 66411, 66412, 66034, 66124, 66125 and 66126.

O-ring is 1/8” Dia, 1-3/4” I.D., 2” O.D.

One other note, everything is magnetic, the cap, screw, chain, all of it. I should be able to go find my original cap, but fuel cost more that it’s worth!

I’m going to order another to keep onboard as a spare.

Lesson learned.

View attachment 142032 View attachment 142033 View attachment 142034 View attachment 142035
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You know I come here to get away from work….. I don’t need to see pics of verniers….. just kidding I have two in my tool box at home. Use them all the time around the house
 
Then I think you have the Attwood ones…the exact ones I bought.

I had the same problems with the Perko version. These fit tight.
 
Blueone said:
You know I come here to get away from work….. I don’t need to see pics of verniers….. just kidding I have two in my tool box at home. Use them all the time around the house
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Measure twice…make 3 trips to the hardware store!
 
So they make 3-4 flavors all a couple thousands difference?? They could come up with a flippin's standard size??!!
 
dtfeld said:
So they make 3-4 flavors all a couple thousands difference?? They could come up with a flippin's standard size??!!
Click to expand...

Yep, The issue is Perko bought out the original manufacturer of the fill(s) that Sea Ray originally went with. And now you can only get the 1-1/2" version of that fill cap. Myself and @Cocktail Time have the 2" version and those caps are next too impossible to get. To the point of needing to replace the fill itself if a new cap is needed. The Perko plastic 1270 2" cap should work as the plastic has more forgiveness in it then the SS version does.

@Cocktail Time I am going to the boat tonight and will look for the exact Perko number.
 
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