A-9581-BU

This is a set of 2 knurled bushings

If your carburetor body is severely worn around the throttle shaft,

this set will help. Brings the holes back to standard size

Assembly instructions:

Drill or mill the hole carefully with a 5/16 drill bit.

Tap the hole with a soft hammer or pick with the knurled end facing outward.

If a heavier press fit is used, the hole may need to be drilled with a 9/32 drill bit

or a reamer can be ground or adjusted in size.

For assembly by bonding with epoxy or cold metal, use a 0" (.316) drill bit.

The inner blind hole is usually not reground

the bushing may need to be shortened if it is too long

Translated with www.DeepL.com/Translator (free version)

Technical note:

When this shaft is worn out,

This can cause your engine to no longer idle properly.

It is important that the shaft fits well into the carburettor.

If your casting is worn, you can drill out the holes

and use an oversized shaft A-9581-OS .