How to rebuild an Ironhead Zenith Bendix carb?
My carb is marked Zenith Bendix with the adjustable main jet. Soaked, cleaned and comp. air blown out. I bought a “facet” 38mm rebuild kit (may use it all or just some stuff from it). The long pointed adjusting screw closest to the a/c has no spring, missing??? and then back them off (CCW) 1.5 turns, that a starting point for tuning.
What should idle speed be on Zenith Bendix?
On the Idle jet, between 1.0 @ 2.0 turns . Just try between that range for smoothness @ 900RPM. A lean idle mixture adjustment runs poor when cold and the idle speed increases when warmed up. This is what works for me, just my 2 cents.
How many turns does a Bendix jet engine have?
Dee. “Stock” setting on the Bendix adjustable main jet kit is 4 turns out…I’ve tuned too many bendix carbs to count…most engines are comfortable in the range of 3 turns. Some of the kits sold a while back came with instructions that said 1 1/2 turns, but that was/is a HUGE misprint.
Where can I buy Zenith carburetor rebuild kits?
Zenith Carburetor Rebuild Kits, Zenith Carburetor Parts, Zenith Carburetors, Zenith Accessories & Tools available from a wide range of online sources collected all in one spot. Check-out the wide selection and discount prices.
Which is the correct position for a zenith carburetter?
POSITION: The vertical type of Zenith Carburetter must be placed in an accessible position in order to be able to quickly take out the jets and unscrew the petrol union.
Can a zenith jet pass the same quantity of fuel?
In this case, however, the jets are specially marked with c/c after the number, and we shall be pleased to send a list of equivalents to an interested customer. All the jets are very carefully gauged to pass a certain quantity of fuel in a stated time, and therefore two jets bearing the same number pass exactly the same quantity.
Can a zenith carburetter cap be reamered out?
The correct working of the ZENITH Carburetter cap only be .assured when it is not tampered with in any way; the jets must not be reamered out or hammered up, and the hints which are given in this booklet must be strictly adhered to.
How is an air fuel mixture screw adjusted?
Adjusting this screw changes how fast or slow an engine idles and how smoothly it runs. The basic process for adjusting an air fuel mixture screw is the same for all small engines, whether it’s on a car, motorcycle, or other type of engine. Make adjustments with the engine warmed up and running.
How big is the main jet needle on Ironhead?
Screw the main jet needle (closest to the air cleaner) inward until the spring is almost but not quite coil bound. Yeah, I know you do not have a spring. Get one. After you have the spring, turn out the needle 4 full turns. The spring…… sitting in the palm of your hand is .640 inches long.
How to adjust air mixture on Edelbrock carbs?
Turning the screws in (clockwise) leans the mixture, and turning them out (counterclockwise) makes it richer. Your goal is to increase the rpm with this adjustment. Stop adjusting when the highest rpm is reached. Correct the idle speed with the idle-speed screw after you adjust idle mixture.
My carb is marked Zenith Bendix with the adjustable main jet. Soaked, cleaned and comp. air blown out. I bought a “facet” 38mm rebuild kit (may use it all or just some stuff from it). The long pointed adjusting screw closest to the a/c has no spring, missing??? and then back them off (CCW) 1.5 turns, that a starting point for tuning.
Where is the adjustment needle on a Bendix carburetor?
Tuning a Bendix carburetor is a job you can complete in just a few minutes. The Bendix carburetor has two adjustment needles on the top of the carburetor. The low-speed adjustment needle is near the mounting bolts in the back, and the high-speed adjustment needle sits just forward of the low-speed needle.
How to tune carb with wide band air fuel ratio?
I was planing on buying a wide band air fuel ratio gauge to help tune the carb on my Y block. From what I understand, I can weld in a “bung” into the header and install the sensor, run the wires inside the car and watch the gauge then make changes in jet size as needed.