[MDairheads] !966 R 27 auto advance unit

[browneak at xecu.net]

Walt-

You may have multiple issues, but it does sound like the carb has a 
problem. Did you open up what Bing refers to a an accelerator pump? 
After going through a few late R27 carbs, I have not seen one that the 
pump is not beat.

I use dental picks or equivalents in a large zip lock bag for deli cut 
spring work.

E-mail me directly if you want to chat.

Alan Browne
Garretts Mill, MD
"Garage of the Living Dead"


On 2020-02-09 16:53, walter craig via MDAirheads wrote:
> Greetings fellow Airheads,
> Need some help:
> My 27 runs very well. BUT, it does not quickly settle down to idle.
> Spins up pretty fast and slowly sags down to idle.
> I may have a carb issue (I took apart and carefully cleaned, blew air
> through everything, and insured the slide moves freely.). Yet the air
> screw is all the way IN to get the motor to idle. I know this is not
> correct.
> Havent solved the problem.
> I have removed the advance unit. Weights move freely and close
> quickly. Yet, I wonder if the tiny springs are weak, thus not bringing
> the weights all the way in thus keeping some amount of advance.
> Here's the questions:
> Ideas regarding the carb issue? suggestions?
> Is there a trick to getting those tiny springs off, and then replacing
> with new OEM springs?
> My phone is : 717 229 2840
> Am located in Hanover,PA. 
> Any help is much appreciated.
> And kudos for Supertech. Well done.
> Walter Craig Jr. (Walt)
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