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Mikuni VM/TM jetting?

 
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Peter L



Joined: 18 Aug 2008
Posts: 1
Location: Sweden

PostPosted: Tue Aug 19, 2008 3:55 am    Post subject: Mikuni VM/TM jetting? Reply with quote

Hi Forum,

After years of reading this forum (thanks all for sharing knowledge) I have my own first topic to post. Question is: Is there a difference in jetting the Mikuni VM vs TM carbs? I have the possibility to try a set of TM34 on my 850 but I have to figure out the jetting myself. Can I use the jetting guidelines for the VM carbs from Victory Library as a starting point or will the jetting for TM be totally different? Any experience or suggestions?

Peter
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ML



Joined: 29 Jul 2007
Posts: 44
Location: Melbourne, Australia

PostPosted: Mon Aug 25, 2008 7:39 pm    Post subject: Reply with quote

Hi Peter

I had good results from Mikuni specialist TD Hatrick of Mikuni OZ. Have a look at their web site, there seems to be loads of info on jets for VM and TM carbs.

www.mikunioz.com

Cheers,
Mick
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panic



Joined: 20 Sep 2005
Posts: 53
Location: Hempstead, New York

PostPosted: Wed Aug 27, 2008 6:44 am    Post subject: Reply with quote

Not much cross-over in jet sizes between VM and TM.
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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.