Which Jet is which

[Snails]

Can you tell me the names of the jets in the picture. I think I know the answer but I'd like confirmation as I bought some jets from somewhere and I think that I may have been sent two the same rather than two different ones (there is a clue there to which ones I'm really interested in I guess but I'd like to confirm the names of them all. )

[gio695]

The one on the table (the part that screws in to the bigger bolt) is main jet (6mm on dellorto)
In the middel of carb is atomiser (Needle jet), where the Needle slides in
The one on top of that is idle jet (slow jet) (5mm on dellorto)
The one on the right bottom of the carb is the choke jet

I hope this helps

[drunkmunkey6969]

Starting at the top of the picture, the small jet still fitted is the pilot, these are a 5mm thread and usually 50-55 in size, the larger tube in the middle is the atomiser an are usually denoted by letters and numbers - eg: AV264, AS266, AQ268 and so on (letter being the length of the neck, numbers being the diameter of the hole/jet size). To the right of the carb, opposite your thumb, still fitted, is the choke jet...usually a 60 or 70 on a scooter. The one which is loose in the work surface is the main jet, it looks similar to the pilot but is a larger 6mm thread and usually in the size range of 118-148 depending what you are jetting.

You should also have a slide in the range of 30-50 (usually a 40 most commonly) and a needle with clip fitted....X7, X13 & X2 are common needles, with clip on one of the top 3 grooves.


Sent from my iPhone using Tapatalk

[Snails]

Thanks guys. Looks like the main jet I have been sent is not a main jet

[rosscla]

The main jet screws out of the big bolt that holds the float bowl on.