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Petrol Tabk securing bolt A2/277

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Petrol tank securing bolt A2/277

Posted by ulrich_hoffmann at November 17. 2018

Hello all!

Does anybody know the thread size of the Navigator  rear petrol tank securing bolt

No. A2/277?

The thread in the frame bracket is shot and I cannot secure the tank properly. So a helicoil insert is in need.

Re: Petrol Tabk securing bolt A2/277

Posted by dan_field at November 17. 2018

I’ll have a look tomorrow Uli, mind you it’s damn cold in the garage at the moment!

Re: Petrol Tabk securing bolt A2/277

Posted by ulrich_hoffmann at November 18. 2018

Thanks Dan!

Don't get frostbite!

Re: Petrol Tabk securing bolt A2/277

Posted by ulrich_hoffmann at November 22. 2018

Dan?

Are you frozen in the shed?

Re: Petrol Tabk securing bolt A2/277

Posted by patrick_mullen at November 24. 2018

Hi Uli,

I had a look at my lightweights this morning but none of them have the correct original 'shouldered' stud.  The size is 5/16th; two of them have a BSF thread,one has a Whitworth thread.  The BSF thread is possibly correct as this is on the De Luxe where the mounting is part of the underseat toolbox. The Whitworth thread is on the Standard and is also certainly not original.  5/16" Cycle thread is also a possibility.

Or you could use 8mm ? and no-one would know.

Patrick.

Re: Petrol Tabk securing bolt A2/277

Posted by ulrich_hoffmann at November 24. 2018

Thanks Patrick!

I will look for a suitable nut an have it welded underneath the tank bracket.

Easier than  to look for a helicoil insert.

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