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Fuel filler cap

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Red Jacket View Drop Down
Guzzino
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    Posted: 13 Jun 2017 at 12:04
Hi
This is my first post but probably not my last.
Trying to sort my 77 850 T3 cali
The fuel filler cap has fallen off ! 
It seems to have been badly glued on.
I am not sure how it should attach.
The tank has just a round hole with some glue around it, I feel something is missing.

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BobV7 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BobV7 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 12:24
I may be wrong but I don't think even the Italians would connect the filler and tank together like that! I take it that this is a cunning fix you have inhertited from a previous owner, and so you would be well advised to have it properly fixed in place professionally. With metal.
V7 Classic Black and gold is the best colour
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Red Jacket Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 12:30
Thanks, it is an inherited bodge, just wondered how it should be. I can weld and solder but unsure of what is missing.  
It fell off the first time I filled it so had to ride carefully from Antwerp to Dunkirk, got a groin full of petrol !
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 12:50
Can't say for certain, bit I would think it was spot welded originally.
 
The problem using any repair method that requires heat - petrol fumes. We used to stick the tank filler over a hot car exhaust for half an hour, evaporates all the fuel vapour and replaces it with largely CO2.
 
If you could find a petrol proof epoxy, you might be able to put it back on, but you would have to remove every bit of the old stuff, and clean back to bare metal. A rough surface is best.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Red Jacket Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 13:18
thanks Brian. i have found some tubes of Jb Weld which i will try for now, doesn`t seem to fit well though,

 i still feel like something is missing 

tim

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cyclobutch View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cyclobutch Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 13:23
A second hand tank shouldn't be overly expensive. I've got a peaches and cream Spada tank in one of the out buildings on the estate. Probly with no cap or taps, but should have a more virginal orifice at least. Yours if you want to come and collect. I'm mid-Essex; where are you?
Butch
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Red Jacket Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 13:45
Thanks for the offer.
I`m in Sussex.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote BobV7 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2017 at 15:15
I suppose one way it could be fixed fairly cheaply is with a silicon sealent and then pop rivet the bugger down. Still need to watch out for sparks though when drilling..
V7 Classic Black and gold is the best colour
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