Norton Commando
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Steering pull to one side
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BillT



Joined: 27 Jan 2008
Posts: 80
Location: Broward County, Florida

PostPosted: Mon Aug 18, 2008 4:54 am    Post subject: Reply with quote

If the bike is set up properly, it should track true, regardless of bike or tire manufacture.
On the Norton, the wheel is laced on a bias to counteract the weight of the disc. While it is true that the forks on a single disc bike will tend to flop over to the caliper side when on the centerstand, the weight of the caliper is minimal compared to the gyroscopic forces of a rotating wheel.
Drift to one side or the other is usually a function of tracking (how well the front and rear wheels are aligned with each other), tire wear, and 'crown' of the roadway.
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maylar



Joined: 13 May 2007
Posts: 30
Location: Connecticut

PostPosted: Mon Aug 18, 2008 5:21 am    Post subject: Reply with quote

My '74 MKII also suffered from low speed headshake and the infamous Commando "Left Lean". I'm the original owner, and it's done these things for as long as I can remember. Both conditions are now gone.

I replaced the front wheel with an eBay hub/rim and had it laced by Buchanans. There's about 1/8" difference in the offset between the OEM rim and my "new" one. The tire is now centered perfectly between the forks (it wasn't before). Also replaced the front tire with a new Avon AM21. Low speed headshake went away.

The left lean is a function of wheel alignment. You can't align the rear wheel with the frame, you need to align it with the front wheel. When I learned how to do that the left lean almost completely disappeared.
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Keith1069



Joined: 10 Jan 2005
Posts: 231
Location: Hampshire UK

PostPosted: Tue Aug 19, 2008 1:02 am    Post subject: Reply with quote

On my RH disc it always pulled left. Winter '06 I did a half hearted alignment according to the phantom oiler process and found front ISO offset at .31" and rear at .25". So the rear was pointing left. After I trimmed the front and added a .06" washer to the left it now tracks straight with both wheels inline. On an aside I just fitted my version of the Taglieri/Taylor head steady last weekend. Didn't notice any tracking change but it stopped that uncomfortable low speed flopping into turns feeling and seemingly no extra vibes.
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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.