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Nortons - General

Description
A technical forum for subjects common to more than one Norton Model type

Wheel lacing

I started my latest rebuild of my '70 Commando whilst I was living in Italy. When I got to the (oversized) rear wheel I realised the rim was shot and had a new one and some 4mm stainless spokes flown out. All quite easy (pre brexit).  Then came the hard part, finding somone to lace it up. Despite the large British bike following out there, it took me months to find someone to do it, but finally I found myself on the 4 hour drive from my home to get it done in Milan.

Slimline featherbed factory frame drawing

Hello. I hope someone may be able to help me track down what I think is the factory drawing for the slimline featherbed. The attached pdf shows part of the drawing I am talking about. Does anyone have the whole drawing? I am trying to get the original dimensions. I think Phil Hannam had access to it reading an older forum post. Any help would be very much appreciated!

 

 

Tool hire

Have NOC considered setting up a tool hire/tool share system?

I have offered loan of a valve seat cutter to a NOC member but I am acutely aware that good engineers are reluctant to share tools (don't know what that makes me!). 

So the solution might be for NOC  to invest in some tools that are essential and specific for Nortons and might not prove economic for owners to buy for a one-off job. Valve seat cutters being a good example.

NOC could recoup the cost of purchasing the tools by having a modest hire charge and a deposit for loss or damage.

Dennis

Strange bit from 1959 Featherbed frame

Hi, does anyone recognise the attached plate? It is from a 1959 Featherbed frame Model 50. It is approximately 41/2” x 31/4” and the two studs are 21/2” apart, although they are not quite in line. I had got to the point when I thought that maybe when I had the bits powder coated they had added an extra bit for a laugh but then I checked the photos of bits I sent and it is there. The studs are the right distance to go underneath the battery box but it doesn’t fit there, again it could conceivably gonunder the oil tank but it doesn’t really fit there either. 

Thanks

Curious feelers

Here is a picture of a pair of gauges marked “To set at”. 0.010/0.012 and 0.014/0.016 thou.

Manufactured by Remax, Pat Appd For Made in England. Ground steel finish, good quality item been in my tool set for years.  The curious bit is, they are almost twice the size marked on the face at 31 and 36 thou respectively? Anyone seen these before, ideas as to use ?  If yes, and you need them they can go to a good home...

cheers

Jon

 

Headrace Removal

Hi all. Both headraces in the frame of my es2 plunger have no grease holes so I want to replace them. I’ve tried drifting them as hard as I dare and they aren’t budging. I don’t want to use heat and ruin the paint. I’ve seen expensive general purpose removal tools but I doubt they will work as there is such a small area to work with. Before I try supporting the head somehow and hitting them REALLY hard, or resort to leaving them and dropping the stem every time I need to grease them, does anyone have any tips? I don’t have the tools or skills to make something.

 

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