Can anyone tell me the correct way to set up the manual choke on this carb? All I can find on-line are instructions for automatic chokes, both electric and water-based, and they say that when cold, the choke butterflies should be open a little bit (usually measured with the shank of a drill bit).

My choke plates shut completely, but are spring loaded - I presume that the flow of incoming air opens them up. In reality, if I pull the choke far enough to get the advanced throttle coming on, I get way too much choke. If I push the choke back so that the mixture is right for a cold start, the advanced throttle is off and I'm having to blip the accelerator pedal to keep the thing alive. Basically, it needs adjusting but I have no idea how to do it...

Any help or clues will be appreciated!

Are you sure its jetted correctly?

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Originally posted by theduck
Are you sure its jetted correctly?

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Just sounds to me like its jetted too rich.

Once it's warmed up it runs very well, and idles properly - it's just the choke that's a PITA.

do you not have the Haynes manual for Escort mk2?

On the Auto choke versions, there is a fast idle adjustment screw which runs on a cam connected to the choke mechanism, is there not something similar on yours?

AndyGT - I do have a Haynes manual, but it only describes the auto-choke version of this carb. The same goes for the Wallage X-flow book.

Dingz - no fast idle screw on my carb - in fact, there's no obvious adjustment apart from the idle mixture and idle speed screws (which are set OK for normal running).