[BMWCSRegistry] 1972 BMW CS

[Philip Slate]

After years of use the carb body will get warn where the shaft has 
rotated oh so many thousands of times.  The result will be air leaks 
around the shafts which makes it impossible to properly adjust the 
carbs.  I'm assuming the $1600 was for a triple Weber setup which is a 
very cool addition but unless you're going to to cams and such is not 
really necessary and creates a whole 'nuther ball of worms.  As was 
suggested, find a nice used set of Zeniths or a shop that can rebuild 
yours.  Of course, with used carbs you gotta realize that they have 
possibly been used as much as yours.
-Phil

Jim Muir wrote:
> Does anyone on the registry have any experience with "Throttle shaft 
> bushings" for the Zenith carbs on my BMW?  It is running lean and 
> uneven.  The mechanic who has it thinks there are vacuum leaks 
> associated with worn throttle shaft bushings.  He is telling me to 
> replace with Webbers for only $1600. 
>  
> Please advise.  Thanks,
>  
> Jim
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