Replacement packing for use with the EZ-Just mixture screw or stock mixture screw. Includes the Viton® o-ring, washer, and spring that can be lost when removing the original mixture screw. These repack parts are a CVP exclusive and not available from the factory.
Fits Harley Keihin 'Butterfly' and CV style carburetors 1981-2006.
This packing kit has also been successfully used on many CVK40, CVK36, and CVK34 carburetors.*
Note that in areas now using Ethanol as a 10% fuel additive, replacing the original rubber o-ring under the mixture screw with a Viton® o-ring can prevent possible failure. Early factory o-rings will not withstand added Ethanol or other fuel additives for extended periods. CVP was the first to offer the original mixture packing kit and also the only company to use the higher quality Viton® o-ring. Be aware that other components used in motorcycle fuel systems are not designed to be used with fuel exceeding 10% Ethanol. It is recommended to avoid using E85 fuel on carbureted Harley motorcycles.
*CV Performance has only tested the mixture packing kit on early Harley butterfly, CV40, CVK40, and select CVK36 carburetors. Successful use on other Keihin CVK models is not guaranteed in all circumstances and therefore not covered under our return policy.
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