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su conversion

To: "6pack" <6pack@autox.team.net>, <triumphs@autox.team.net>
Subject: su conversion
From: "Alan Salvatore" <6parts@charter.net>
Date: Mon, 11 Apr 2005 23:56:04 -0400
Unlike the the shaft for the chokes which has a spring.
There is no room for a spring on the throttle shaft.
On this model they must be anchoring the spring in some other fashion.

Al
----- Original Message ----- 
From: <spamiam@comcast.net>
To: "Triumphs List" <triumphs@autox.team.net>; <6parts@charter.net>
Sent: Monday, April 11, 2005 5:42 PM


> There should be springs attached to the little arm that is attached to 
> each carbs' throttle shaft.  These are what returns the throttle plates to 
> closed.
>
> The cross bar that has the lever is for the throttle.  This attaches to a 
> bell crank on a plate mounted to the lower-inner studsof each carb.
>
> There is a throttle rod which connects the other side of the bell crank to 
> the arm on the cross shaft from the accelerator.
>
> The choke cable attaches to the front (with the coil spring) dooodad. 
> This then has a short bar connecting to the jet.  Pulling the choke cable 
> should cause the jets to lower.
>
> IMHO, once you switch to the SU's, you will not bother to return to the ZS 
> unless the SU's are already worn out.  If they are unknown SU carbs, they 
> should be rebuilt and have new stuff added from the big rebuild kit.  I 
> would also ream and replace the throttle shaft bushes.
>
> -Tony




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