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Rick,
I found a print of the image you posted of the swingarm. I thought I had printed it but I misplaced it at work. Can you tell me what the basis is for the horizontal axis? I will still need all the other dimensions anyway. I shall wait in hope.
cheers

Rick I seem to have lost the swingarm image that you put up. Could you make that available again with the dimensions for the axle slots and a horizontal view as well. Thank you.

Rick has provided me with the dimensions I have requested but this is going to be a difficult task.

I have elected to get a frame scanned and have found a suitable technique to use, so I need someone to take a suitable frame (Sport/SS/Verlicchi) to be scanned. If anyone is willing to help me out ...

As an aside, the page in the '75 workshop manual that gives dimensions to be used for the purposes of repairing the frame gives a rake of 29.5 degrees. With a 26mm offset and a wheel radius of 324.5, the figure given to me by Metzeler for the 3.50V18 C7 on a 2.15 rim, the trail would be 153.7mm. If ...

Thanks Rick.
I am afraid that you are correct and that this task will go on forever, particularly when it involves radii. The best option may be to get a scan.

If you or any other reader are willing to take your frame to be scanned then I will pay you for your effort. Please pm me regarding this ...

Heat works wonders.

Mr Ducadini,
Thanks for your input. I am planning to build a fairly standard frame except for the materials 4130 (perhaps Reynolds 631). I will also make a monoshock version and finally something that is more avant garde.

Moving the swingarm pivot further forward is a sensible suggestion but I as ...

I did not use the word advance.

I was working as a mechanic on Ducati motorcycles, when these models were produced. At that time there was no information available on the electronic ignitions. This information was supplied to me by the factory in response to a telegram that I sent to them. This was ...

Thanks a million Rick. I sent you a PM.

I always used C3 on singles. They were notoriously tight.

Not exactly on topic however.
Static timing.
There is a dot on your ignition rotor and a corresponding mark on the stator.
Assuming you know how to use a degree wheel and a piston stop to find TDC. Align the dots as follows for each model.

250 - 52 degrees BTDC
350 - 47 degrees BTDC
450 - 36 ...

Greetings,
Since I am a new poster and I have asked some questions then I should reciprocate. The aluminium damper pistons and their associated nylon rings can wear. I used to have mine custom made to each stanchion by a local machine shop. Very cheap and very effective.

There should be no reason ...

Greetings all,
I need to get some dimensions and I hope some of you can help me out. I am building a chromoly frame for a bevel. I do have the frame drawings from the factory workshop manual as a start.

Update : Rick has provided me with the dimensions I have requested but this is going to be a ...