Topic: CB125 - What kind of carb do I have?

[Untold]

Tried ordering a new float, and got one that said it was for a 1975 CB125, but it's way bigger.  Not sure if the carb I have is not stock, or if I got the wrong float.  Can't find any identifying marks on the carb other than Keihin and a "20" on the top screw cap.  But none of myinternet searching has helped me locate the correct float.

Pics:

http://imgur.com/a/oi6V7

[754]

It.looks a lot smaller..like off a 70cc

[kghost]

Looked at your pictures......seems your missing the intake rubber between the car and head too.

[Untold]

Was able to determine it's from a CB175 twin (I'm pretty sure, based on pics and measurements). New float on the way.
 I have had the bike running fine with this carb, without the intake piece.  Although I don't think it's a rubber boot like on my 550.  This carb isn't a spigot mount.
 It was bolted right up onto the head when I got it, but looking at the parts diagram, it looks like there's a metal intake piece.  What are the complications of running it with the carb bolted right to the head? 

[grcamna2]

It may vibrate more than the factory recommends,or get hot..,something like that  .

[kghost]

What I believe it was.....is a metal piece with rubber over it.

All the XL, CL etc had them. Just find one with the right bend and mounting angle.

It acts as a vibration and heat insulator. Also adds a bit of length to the intake tract.