CV Performance
Improving the Performance of your Harley Motorcycle
Harley EZ-Just mixture screw from CV Performance

EZ-Just Mixture Screw

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4.95 stars, based on 21 reviews . Write a review
Retail: $26.95
Price: $19.95
You Save: $7.00 (26.0%)
Availability: In Stock
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    The original EZ-Just® mixture screw for Harley CV carburetors adjusts the air idle mixture. Easily tune and adjust your idle mixture without burning your hands or fumbling with a screwdriver. CV Performance has exclusively provided Harley riders with the EZ-Just® for over 30 years.


    There is only one original EZ-Just®
    Beware of cheap import knock offs! Read more below

    Compatible with all Harley CV style carburetors and replaces the stock mixture screw. Available for CV and CVK Keihin carburetors 1990-2006. Not for use on pre-90 big twins or pre-89 Sportsters.

    For pre-89 "butterfly" style Harley carburetors use our EZ-Just for the 81-87 Harley Keihin.

    Fitment:
    Harley-Davidson CV Carburetor 1989-2006.
    Buell V-twin models with CV Carburetor.
    Buell Blast models.
    *Kawasaki and KLR CVK40, CVK36, and CVK34 carburetors.1
    *Triumph Bonneville, T100, Thruxton, Scrambler, America and Speedmaster fitted with single CVK40, CVK36, and CVK34 carburetors.1
    *Arctic Cat fitted with CVK36-34.1
    *Others fitted with Keihin CVK36-34.1
    Will NOT fit Prairie models. 
    *See fitment disclaimer below.

    Packing parts (spring, washer, o-ring) sold separately if required: Mixture Packing Kit

    Not for use of sale in California

    *1 Fitment on non-Harley models: Non Harley models listed are reported to fit by customer experience only and have not been tested by CV Performance on all CVK models or other makes of motorcycle. For use on single carburetor models only.
    Purchase for use on makes other than Harley-Davidson or Buell is at the buyer's discretion.


    Not for use on multi-carburetor (4-carb) models.

    Tuning and installation tips for the EZ-Just mixture screw.

    Don't forget to add Spark Plugs to complete your tuning.

    Mixture screw for Harley motorcycle carburetor

    Not for use or sale in California

    EZ-Just® is the registered trademark of CV Performance Inc.

    WARNING: Beware of cheap import knock offs. EZ-Just® is the original, and the only mixture screw manufactured right here in the United States to our standards created over 30 years ago. Products using similar names and stolen images are poor quality copies that do not meet the original standards we created. Don't be fooled, ONLY the EZ-Just® made by CV Performance Inc carries our trademarked name and comes in our branded packaging. 


    Note that appearance of all products are subject to change. 
    As a manufacturer and supplier we are unable to provide repair or service advice. Please consult a factory service manual or a qualified motorcycle technician when working on your motorcycle.

    The CVP EZ-Just will fit the following motorcycle makes and models.

    Harley-Davidson CV Carburetor 1990-2006.
    Buell with CV Carburetor 1992-2006.
    Kawasaki CVK40, CVK36, and CVK34 carburetors.1
    Triumph fitted with CVK36-34.1
    Arctic Cat fitted with CVK36-34.1
    Other fitted with Keihin CVK36-34.1

    1Non Harley models listed are reported to fit by customer experience only and have not been tested by CV Performance on CVK models or other makes of motorcycle. Purchase for use on makes other than Harley-Davidson or Buell is at the buyer's discretion.


    Overall Customer Rating of 21 Reviews:
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    Very well made

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    This EZ-Just screw is very well made and makes adjustment a lot easier, especially when you’re trying to tune while on the road.


    EZ-Just so much better than the rest

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    I finally bought an original EZ-Just and what a difference it made. Other brands were trouble.


    The first mixture screw was bought on ebay and the pictures looked the same... wrong choice. It came in a baggy that said Cycle Pro, the threads were rough and the tip was not true, so sent it back.


    Next I had a shop order me what they said was the same but cheaper... yup it was cheap alright. This one arrived with labeled HardDrive with NO protection just loose in a bag. Screwed it into my carb and it was so loose I knew it would fall out. Also the brass looks super pitted.


    Finally my brother ordered me this EZ-Just, actually has instructions online and it fit perfect!


    Lesson learned, I should have bought this one the first time around.


    Sedro Woolley, Wa

    EZ-Just Mixture Screw

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    Purchased this for my 95 XL 883 Deluxe sporty perfect fit easy install worked great. Shipped on time, great price tweaks will be a breeze as needed.


    Air mixture screw

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    Works great and allows easy finger turning adjustment, especially if you are still running the stock air box on a Buell. Highly recommend.


    EZ-Just

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    Found Bob LaRosa on FixMyHog Channel on YouTube and absolutely had to get this mixture screw. The mixture screw came from CVP in premium protective packaging and had knowledgeable documentation on how to install. Got to be the best way to adjust mixture while the bike is running.