Adjust the screw 1/2 turn at a time. After each adjustment , reset the idle speed to 1,000 rpm. The maximum adjustment range is 1/2 to 3-1/2 turns.
11/22/2011 · Following installation of the CVP tuners kit, adjusting the mixture screw is key to fine tuning a Harley CV carburetor . Includes setting the stock mixture sc…
Harley CV Carburetor Mixture Tuning. Notice: All instructions and the EZ-Just are intended for a Harley CV carburetor only. Mixture tuning on your Harley Davidson CV carburetor is a simple procedure that can easily be performed with basic tools. Anytime you rejet or change exhaust or air cleaner intake it is suggested to adjust the mixture.
Remove the Harley carb pilot jet. Remove the mixture screw, spring, washer, and o-ring. Spray a small amount of mild carburetor or fuel injection cleaner into the pilot jet passage and mixture screw passage. Do not allow any cleaning fluid to come in contact with the slide diaphragm (remove if needed) or the mixture screw o-ring.
CV carburetor tuning part 2: Mixture screw adjustment …
CV Performance | Harley CV Carburetor Mixture Tuning, CV Performance | Harley CV Carburetor Mixture Tuning, CV Performance | Harley CV Carburetor Tuning Issues, Count how many turns it takes to reach the closed position. Mark the screwdriver if needed to properly count each turn. Now turn the screw out counter clockwise stopping at a 1/4 turn beyond that which you originally counted. For example, it you turned the screw in 1-1/2 turns then unscrew it 1-3/4 turns.
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Harley Davidson CV Carburetor Upgrade Harley Davidson started equipping models with the CV carburetor in 1989 and has utilized the same carb ever since. A CV carburetor ( Constant Velocity ) incorporates a vacuum operated slide that varies the venturi size within the carburetor , thus maintaining a constant velocity .
2/25/2017 · How to adjust your Idle on all Harley Davidson carburetor V Twin motorcycle.#Harleydavidsonfix, The Harley CV carb uses an Idle mixture adjustment screw instead of an Idle Jet but many motorcycle carbs do not. Slow Jet: Controls fuel mixture from 1/8th throttle opening to 1/4 throttle opening Needle jet (both the taper of the needle and the circlip position on the end): Controls fuel mixture through the midrange from 1/4 throttle opening …
