Operation CHARM: Car repair manuals for everyone.

Idle Mixture Screw Concealment Plug Removal


These carburetors are equiped with idle mixture screw limiter caps. If idle mixture requires adjustment beyond the range of mixture screw travel, follow the procedure below.
1. Remove carburetor from vehicle.
2. Remove air horn and main body.
3. Using a suitable hacksaw, cut limiter cap approximately .40 inch from cap end.
4. Install new limiter cap.