What should I do if my Weber carburetor is not running?
Remove air inlet duct or air cleaner and plug any vacuum sources removed. With the engine idling, spray carburetor cleaner into the air inlet of the carburetor to determine the effect of running. Wait until the engine returns to the previous idle. Spray carburetor cleaner on the outside of the carburetor and intake manifold.
Where did the original Weber carburetor come from?
There is only one original Weber and that is the European produced, Italian designed, carburetor built in Spain. These carburetors were originally designed and engineered by the Weber Carburetor company in Italy.
How is the choke thermostat on a Weber carburetor?
E. Testing the choke thermostat assembly The electric choke terminal must have a key hot 12 volt source. The carburetor is grounded to the engine by a metal to metal connection. If the vehicle was originally equipped with an electric choke and or an idle solenoid use that wire.
Who is the owner of the Weber Company?
The founder of WEBER carburetors was Eduardo Weber. The WEBER carburetor company as we know it started in 1935 in Bologna, Italy. They produced carburetors there till 1992 when production was moved to Spain. When we think of WEBER carburetors this is the company that we refer to. The “WEBER” name is currently owned by Magneti Marelli of Italy.
How do you set up a Weber choke carburetor?
This is done on automatic choke carburetors by first opening the choke butterfly by hand and inserting a wood block or wedge of some kind to hold open while the linkage is cycled (linkage operated through its full movement) to clear the choke cam. (You will hear a metallic click as the cam is released.
What to do if your Weber carburator is leaking?
Using the method of pinching off hoses is helpful when you have hoses that are leaking, such as air cleaner hoses and other devices. Install the air inlet duct or air cleaner. Start the engine and let it run at idle. One by one pinch off vacuum hoses with pliers and listen for a change in engine RPM.
Where is the mixture screw on a Weber carburetor?
4) When the idle jets are right-on, idle speed is controlled by the idle mixture screw, not the throttle stop adjustment. The mixture screw is at the carb base on the passenger side, pointing diagonally back at the firewall. The screw should be set by turning it in all the way (clockwise), then backing it out two full turns.
How big should the jetting be on a Weber carburetor?
Usually, no more than 5 points difference in the size of primary to secondary jets works well. For example, a 145 in the main primary to a 140 in the main secondary. The same holds true for the idle jets, 50 to a 45. 2) There is no “standard” jetting, although common combinations do exist, like 140/135 main to 50/45 idle jets.