E-bay carb surprise!

[Hotshoe]

Here's my test carb I'm running thru my ultrasonic parts cleaner. I love the pretty colors and patterns of the different typs of corosion on the brass and carb body. I'm having a big problem removing the float pin as it's had many years to become one with the carb body. I'm worried that if I try to drive it out I may break one or both of the pin towers. Anybody have any voodoo tricks to extract the little bugger?

Fast Fred[/quote]

Hi Fred,
If the corrosion is alkaline, you might try putting a little vinegar on the float pin and post with a Q tip and let it loosen things up for you.
PS.... don't forget to sacrifice a chicken before attempting.
Regards, Chuck

[brewsky]

Ok...overnite in a test solution of vinegar, hot water, and Pine Sol......worked well, but left a darker base metal color than either Pine Sol or vinegar alone that I had tried on previous carbs.

All fuel and air passages checked clear with compressed air and water...slide slides, choke chokes, float valve still works, no holes in float, and still set to correct height.

Learned that Honda definitely supplied 2 different style air screws, one with o-ring and one without, as Keyster did as well. This carb, supposedly from a '66 CA77, had a non-o-ring Keihin air screw.
The original Keihin o-ring air screw has a smaller diameter on the blunt end than the others for some reason.

Still don't know when or why the intake screen was added.