Norton Commando
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Eratic speedo question
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Ron L



Joined: 27 Feb 2004
Posts: 1098
Location: Ohio

PostPosted: Fri Aug 22, 2008 7:18 am    Post subject: Reply with quote

The speedo drive can be disassembled, but parts are not available. I often buy used drives (cheap) to salvage parts from them. Usually the teeth on the pinion gear are worn. If I find a 15/12 drive that feels like it has good gears and I can buy it cheap ($10 max) I will just to get the pinion gears. Of course, sometimes they feel good, but when I get them home and open them up the pinion already has a deep groove in it. I have box full of unuseabale parts. Embarassed

From the description, that's what I would guess is wrong with yours. Unless you have access to box of used drives to rebuild one, I'd say you will have to bite the bullet on this one.
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BrianK



Joined: 14 Jun 2007
Posts: 376
Location: Boston, MA USA

PostPosted: Fri Aug 22, 2008 7:33 am    Post subject: Reply with quote

Thanks Ron - B
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BrianK



Joined: 14 Jun 2007
Posts: 376
Location: Boston, MA USA

PostPosted: Fri Aug 22, 2008 8:44 am    Post subject: Reply with quote

For others in the same boat, a bit of searching shows that Phil Radford at Fair Spares has the drives for $108. That's the best price I've found so far.
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mike916sp



Joined: 11 Mar 2006
Posts: 95
Location: Staffordshire, UK

PostPosted: Fri Aug 22, 2008 12:12 pm    Post subject: Reply with quote

BrianK wrote:
Just came in from the garage. Think I'm in the market for a new drive also Sad

So let me know if you come up with any inexpensive (yeah, right!) source of supply, please! - Brian


The degreasing, cleaning and repacking didn't work it was still all over the place so had to get a new drive. Lucky I ony live about 4 miles from Norvil so got one straight away. Fitted it and a quick 10 miles blast including a few illegal speeds and no wobbles on the needle. So all is fixed.

Cost from Norvil was £52.53 +VAT. You can probably get one cheaper from RGM but for me convenience counts and I don't have to pay postage.

Good luck
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The Unapproachable Norton Commando

At the end of 1967 the Norton Commando was announced.

The Norton Commando was greeted with a certain amount of scepticism because on first sight the commando appeared to comprise of the old Norton Dominator twin cylinder engine mounted at an inclined angle in a set of new cylinder parts.

It was not realized that the new Norton Commando Isolastic method of engine suspension damped out all engine vibration and produced a machine which had uncanny smoothness for a vertical twin. In due course the critics were silenced and the Norton Commando had the distinction of being regarded as the first of todays so called superbikes. There can be little doubt that the original design concept of the Norton Commando has proved correct, since comparatively few modifications of any real consequence have been made since production commenced during 1968.

Now nearly 40 years later Norton Commando riders like us are a breed of our own, and as far as we are concerned its still more fun to go for a blat on the old Norton Commando, and fast. As a Norton Commando owner and enthusiast, my goal here is to promote and give credit to those who keep the Norton name going.

It is more deserving to give credit to the Commando itself, for after all these years it continues to be respected. The original Commando designers like John Favill are those who deserve the credit for developing this incredible motorcycle.

The Norton Commando Roadster and Interstate of the late seventies, never died. Although the Norton Villiers factory dispersed the tradition lived on. Today Kenny Dreer in the USA is developing the new 952 CC Norton. What a great looking bike this is, and its engineering is still based on the original layout. It will be interesting to see how the new 952CC Norton does in todays tough motorcycle market. One thing is for sure, I would own one if I could afford it.