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If I understood you are confused by seeing in the drawing the front piston at TDC, and the rear one at BDC with two crankpins. That is due to the kind of graphic representation on hand drawings of the time. Different positions are shown in the same drawing. The maximum run of pistons, one head in a ...

Anyway if this only lands to a tee shirt I think I deserve one!
Don't you?

My God, what have I done. :o Really couldn’t immagine to upset you so much! :cry: But this is the hard truth. :P Again joking apart, I thought somebody already knew that drawing. I find it on a book, not a factory secret. :) I thought it would rather stimulate the topic giving answers and generating...

The angle of the cylinders is 72deg but because the centre line of the crank is higher than the centreline of the cylinders measuring the angle across the cylinder base will give a different figure. The firing angles are therefore moved from the "nominal 432deg and 288deg to a longer 433deg 19...

If I can give my opinion I would say that the original colour scheme for Andy's Bike is one of the following:

It depends on frame's number.

There is a way to solve the problem of a hard to find neutral. Some clutches have this problem, others jump suddenly when you release the lever (I don’t know how you call this malfunction) Some are perfect. Joking aside It is all a matter of how tight the clutch centre is fixed on the main shaft of ...

Thank you again for your compliments.
I am glad I've been of some help.

Here is a link to the "Marzocchi A 73 / Euro 74 service manual". http://web.tiscali.it/lmg/MARZOCCHI_A73_EURO74_MANUAL.pdf The shocks on mine are like the Euro 74 model and, as texaskitty has pointed out, one of the problems is the crimped nut (19 - Boccola di guida / Pilot boss) which th...

Hello, My name is Paolo,I am from Rome. I am an italian Moto Morini enthusiast, I had mainly Morinis in my life. A Corsarino when I was a kid, a Corsaro as a teen ager, two 3 1/2 GT ( what you call Strada)when I was young and two now that I grew up. I did and I am doing a lot of traveling with my 3 ...