How do you raise the needle on a CV carburetor?
If you use the OEM needle, place 1 (approx. .050″ or 1/16″ thick) of the small brass washers over the long end of the needle jet (Slide Detail 3). These washers will raise the jet needle taper, richening the low RPM fuel mixture. Place the jet needle into the slide, making sure the washers remain in place.
How do you change the jet in a CV carburetor?
Turn the carburetor over so the bottom is facing upward. Remove the float bowl by removing the four screws. Carefully remove the fuel bowl. Using a flat blade screwdriver, replace the stock #42 slow jet with a #45 jet (CV Carburetor Cutaway 8). If you use the OEM needle, the main jet will be replaced with a jet 10 larger than the OEM.
How much does it cost to change a CV carburetor on a Harley Davidson?
Pre-1989 Harley’s used a two bolt flanged manifold, whereas a CV carburetor simply slips onto a rubber boot and is held in place by the air cleaner’s backing plate. Total conversion shouldn’t cost more than 200 bucks… less if you can find a buddy with a spare CV carb in good condition.
Do you need a flange adapter for a CV carburetor?
The upgrade is quite straight forward and for the majority of models only requires a Flange Adapter be fitted between the carb and the manifold. Pre-1989 Harley’s used a two bolt flanged manifold, whereas a CV carburetor simply slips onto a rubber boot and is held in place by the air cleaner’s backing plate.
How do you set the float on a Harley CV carburetor?
The float level on a Harley CV carburetor is adjusted by gently bending the metal tab that extends from the float and presses on the float needle plunger.
Where do you change the choke on a CV carburetor?
Place the fuel line on the carburetor before you place it on the bike. Replace the carburetor, directing the fuel line and choke cable into position as you move the carburetor into place. Remember to replace the vacuum hose from the VOES to the top rear of the carburetor.
Where do you put the jet needle in a CV carburetor?
If you are using the XLH needle, place the jet needle into the slide without using any washers. Replace the spring seat into the slide and over the jet needle. Place the carburetor slide into the carburetor body. Carefully place the edges of the diaphragm into the grove around the top of the carburetor.
Which is the correct float setting for a carburetor?
While measuring the float position (below) is the most accurate method, it is also possible to “eye-ball” the setting by making sure the line on the side of the float is exactly parallel to the bottom edge of the carburetor body when tilted as in diagram B.