My 1959 Dominator 99 has anon standard chain case, held on using only one of the existing four threaded mounting brackets using a smaller nut and bolt.
Could anyone tell me what is the size of the bolts and what thread size is tapped into these brackets?
Thanks.
Are you talking about the…
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I seem to remember losing…
I seem to remember losing these set screws and finding a box of 1/4 whit ones that were left over from building contract , looked identical ,just needed cutting to length to clear the tyre. I'll check this out and if right you are welcome to a couple as I will have a box full.
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Previously Jonathan Soons…
Previously Jonathan Soons wrote:
Are you talking about the rear chainguard?
Sorry, Yes Johnathan.
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Previously robert_tuck wro…
Previously robert_tuck wrote:
I seem to remember losing these set screws and finding a box of 1/4 whit ones that were left over from building contract , looked identical ,just needed cutting to length to clear the tyre. I'll check this out and if right you are welcome to a couple as I will have a box full.
Sorry Robert, as you will see Johnathan queried my post and yes I was referring to the Drive Chain Case I have measured the one bolt I have from the bike and it is about 5/16" x 2" 24TPI @ 1.0?
hope this is clearer. Peter.
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Found my box of plated set…
Found my box of plated set screws, took a couple out and tried them on my 59 (built ) 99 and they fit although too long by at least an inch. The box says 6 x 70 so they are the metric equivalent to 1/4". They have a posidrive head the same as the orriginals ,always thought this a bit curious must be one of the first usages of posidrive on a Norton ,certainly dont remember any other posi heads on the bike.PM me if you want them. BOB.
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Previously robert_tuck wro…
Previously robert_tuck wrote:
Found my box of plated set screws, took a couple out and tried them on my 59 (built ) 99 and they fit although too long by at least an inch. The box says 6 x 70 so they are the metric equivalent to 1/4". They have a posidrive head the same as the orriginals ,always thought this a bit curious must be one of the first usages of posidrive on a Norton ,certainly dont remember any other posi heads on the bike.PM me if you want them. BOB.
Not nessessary Bob, see last post butthanks anyway. Peter.
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Are you talking about the rear chainguard?