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Thanks Dean. I suspect you are right about the problem being an air leak from the top. I have had situations with Amals in the past where the mixture jet spring loses tension and the setting moves around. That was not happening with the DelOrtos on my Ducati 750 so the springs were probably fine ...

HI Steve:

As it turns out my problem was definitely not the choke pistons. I rode the bike for 100 miles today and it now idles perfectly. The problem of not idling when hot was definitely due to an air leak that starved the engine for fuel as opposed to getting to much fuel. The problem was either ...

Thanks that is something that I had not looked at until now. I did not realize there was a rubber piece at the bottom of the choke pistons. I just took mine out to inspect. The rubber on my choke pistons seems to be inside the bottom of choke piston itself and does not protrude down below the piston ...

Hi Dean:

Thanks for the reply. The bike has a handlebar mounted lever that controls both of the starting or enrichener circuits on the carbs. Your suggestion makes sense and I had not checked that out previously. I just took a look and the lever is shutting down the plugs on the enrichener circuits ...

I recently purchased a 1973 750GT that had been totally restored a few years ago by a well know restorer and then parked. I am new to bevel heads so excuse me if I get some of the terminology wrong. The engine has 9.3 to 1 compression S style pistons and 32mm DelOrto carbs. When I first started it ...

Hi Steve:

Thanks for the info. I can now see the bolt shown on page 11 of the 750GT spare parts manual. It is shown as "033", an alternative to part "2635" which makes sense since it seems all the bikes did not have sidestands.

Any info. you have on this bolt/stud would be helpful. I checked all ...

I just recently acquired a 1973 750GT that has been modified quite a bit so as I am trying to sort out some minor items and I am not sure what is stock or not so here goes:

1. The bike has springloaded rider footpegs that look just like those shown on page 103 of Ian Falloon's "Bible". Can anyone ...