015264 Spanner, rocker spindle securing bolt nut

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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mdt-son
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Location: Vestland NORWAY

015264 Spanner, rocker spindle securing bolt nut

Post by mdt-son »

Hi

I am wondering which size this spanner is. The nut size doesn't match any size spanner I have! I even ordered an old oddball spanner from the UK in anticipation.
No way. Can someone also post a picture of the spanner supplied by the factory?

TIA

Knut
G15 Roy
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Re: 015264 Spanner, rocker spindle securing bolt nut

Post by G15 Roy »

I use a metric adjustable to find the best fit.
Roy
cbranni
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Re: 015264 Spanner, rocker spindle securing bolt nut

Post by cbranni »

I used a 2BA spanner today to strip the rockers, a worn 8mm will do also. (I wonder if we are talking single or twin???, I think singles are 3/16 whit).

Image

Regards Colin
only dead fish go with the flow
JEAN-NOEL
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Re: 015264 Spanner, rocker spindle securing bolt nut

Post by JEAN-NOEL »

I got mine from AMC CLASSIC. It has an original pattern, and very nice to use. I can recommend.
mdt-son
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Re: 015264 Spanner, rocker spindle securing bolt nut

Post by mdt-son »

JEAN-NOEL wrote:I got mine from AMC CLASSIC. It has an original pattern, and very nice to use. I can recommend.
Hi Jean-Noel,

Yes, I have noticed Steven is selling those. Russell Motors also have them (maybe a genuine toolset item). 2BA has 0.324" (8.23mm) across flats (AF).
Imperial 11/32 (8.73mm) is just too large. 21/64 would be perfect, but I've never seen a spanner this size. Is yours a combination box/open end spanner?
Would you please post a picture?

Cbranni: We are talking of the securing bolt at the twin's excentric rocker shaft. Nice picture - thanks!
G15Roy: I am not sure what a metric adjustable spanner is. Normal adjustable spanners should be considered a no-no for small size bolts and nuts. When the flats become worn, the nut is impossible to grip and will need to be ground off using a Dremel grinder. Then it's goodbye to the bolt as well.

Thanks for the input!

Regards,
Knut
ajsph
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Re: 015264 Spanner, rocker spindle securing bolt nut

Post by ajsph »

the nut is 2 BA, so a 2BA spanner is correct
Poul
JEAN-NOEL
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Location: FRANCE

Re: 015264 Spanner, rocker spindle securing bolt nut

Post by JEAN-NOEL »

Hi Knut,
I took a pic of the spanner, but I'm unable to join it to the topic.
I have sent it to you personnal mail.
Length : 76.3 mm
Width : 19 mm
Thickness : 2.93 mm
Across flats : 8.29 mm
Depth : 7.43 mm
Cheers.
mdt-son
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Location: Vestland NORWAY

Re: 015264 Spanner, rocker spindle securing bolt nut

Post by mdt-son »

Thank you, Jean-Noel, I appreciat your effort. Also thanks for the picture you sent by PM.
I took the liberty to post your picture in the photo archive:
http://www.jampot.com/pic_display.asp?id=5296

Cheers,

Knut
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