CSP Keihin PWK 28 Air Mixture Screws

Easy to adjust air mixture screw for the Keihin carburettors, can be adjusted using your fingers removing the need to carry a small screwdriver.

Available in three attractively anodised colours red, blue or gold.

The air mixture screw is used to alter the fuel mixture at idle speed, in the richen the mixture and out to weaken it. We recommend staying within a range of half a turn to a full turn and a half from full in, be gentle when screwing in fully to prevent damaging to the adjuster.

Fits Keihin PWK 28 carburettors.

To replace Keihin part number W1446-231-9900

Manufactured by Costa Special Parts.