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Swinging arm spindle, engine and gearbox mounting bolts

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Swinging arm spindle, engine and gearbox mounting bolts

Posted by Dan Field at May 16. 2018

Im trying to build a bike from bits but I don’t have any mounting bolts (except gearbox upper mounting) does anyone have a list of the bolt sizes and threads so I can procure them?

Cheers

dan

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by Michael Rettie at May 16. 2018

Check out Molnar for SS hardware:

http://www.manx.co.uk/pdf/MPL-Norton_Singles.pdf

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by Mikael Ridderstad at May 17. 2018

What frame, engine and gearbox?

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by Dan Field at May 17. 2018

Oops .... Sorry should have said, in my defence it was past my bet time! It’s a 1955 pre featherbed swinging arm frame fitted with amc gearbox. Thanks for the molnar link, they seem to have some, but not the swinging arm spindle. sadly I don’t have a parts book yet which doesn’t help!

dan

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by philip_hannam at May 17. 2018

Try checking out this eBay link.

https://www.ebay.co.uk/itm/Norton-ES2-Engine-Plate-Studs-Nuts-and-Washers-Stainless-Steel-Rigid/112985750042?hash=item1a4e79ba1a:m:mGv22CtnAeEYN8cVCXz2weg

It is not exactly what you are after but the seller may be able to help.

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by Dan Field at May 17. 2018

I asked them sadly they couldn’t help.

Dan

Re: Swinging arm spindle, engine and gearbox mounting bolts

Posted by Dan Field at May 17. 2018

I notice that the LHS swinging arm mounting in the frame is in fact a slot, having found that I do have a parts book I can’t see any special washer or bush, how do you make sure that the arm is central in the frame.

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