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Atlas resurection

Submitted by robert_tuck on Tue, 26/05/2015
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Heavy Twins

The 67 Atlas has spent too long covered in wood shavings. It was hastilly thrown together for my son to try a classic bike but is a rough old dog.I have found a deep valenced mudguard for it but need a bridge,stays and shaped washers. The mudguard has been drilled in different places to the one on my 99DL but appears to be the same pressing if a few mm wider. It also has reinforcing strips spot welded across the inside of the bulges for the fofk tubes. Does anyone recognise this? ,Were there different pressings or were they all the same?. I expect AMC made some changes from Norton. I have not found a supply for the bits i need,E-Bay offerings look wrong.

Submitted by david_cooper on Tue, 26/05/2015

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When the fork width changed in 1964 from 7" to 7+3/8" the front mudguard pressing was identical except that the side indents for the forks became shallower on the later bikes. And the pressed steel bridge changed. As you say I think the drillings changed.I find that with my 1963 Dommie with 7" width forks (like you 99) and modern Avon Roadriders I either have the bridge just slightly grazing the side of the tyre, or the shrouds scrape on the mudguard on full bounce. I cannot find a happy medium so it looks like I'll have to throw away a good almost new front tyre and put a ribbed tyre back on if I'm going to get an MOT pass. So the reason was to widen tyre choices. (Didn't Atlas have wider tyres - or was that only on the back?)I seem to remember that the usual suppliers advertise the bridge for wider forks but not for narrower. So you ought to be OK with new bits for a 1967 bike. Probably...

Submitted by robert_tuck on Tue, 26/05/2015

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Thanks David, All usefull info. When i rebuilt my 99 from bags of rusty parts I was dissapointed with the detail information in the various publications ,often it was " reverse the process" absolutely useless if starting with a basket case..Even official Norton manuals did not show all the parts ,BSA was much better in this regard.As i don't yet have any idea which model the guard came off I'm boxing in the dark. There must be someone with a mudguard fetish to fill us in!.Ive got some new piston rings and a compression plate to fit,plus a double ended coil to replace the lash up twin coil set up. A new seat cover ,battery ,a clean and the bike may just make it to the IOM with my son on board. I have some parts for swops if that helps someone into action.

 


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