How to tell if a CARB is gas or fuel?
S&S Early Style carburators were made in both gas and fuel versions in two sizes, 1-3/4″ and 1-7/8″. Identification of an Early Style carb can be done by noting the serial number stamped in the body. below the cast-in wording “S&S Cycle”. The letter “G” stands for gas and the letter “F” stands for fuel.
How to troubleshoot a small engine carburetor?
So how do you troubleshooting a small engine carburetor? The most common issue with all small engine carburetors is gumming (old gas), cleaning the carb usually solves the problem. Typical carburetor related problems include: Tank – Outlet hole inside the tank blocks with grit stopping or slowing fuel flowing to the carburetor
What does high flow mean on S & S carburetor parts?
S&S carburetor service and rebuilt parts. Available individually. Items marked as “high flow” represent larger, higher capacity inlet seat and needle for use in ‘E’ / ‘G’ and ‘B’ carbs (standard issue in ‘D’ carbs). High flow seat must be used with high flow needle #198-197. Recommended for Racing Use Only
What are the parts of a s and S carburetor?
Rebuild Kit: Includes E/G Accel. Pump, Diaphragm, Diaphragm Spring, Pushrod, Check Balls, Springs and O-Rings – $ 28.59 S&S carburetor service and rebuilt parts. Available individually. Items marked as “high flow” represent larger, higher capacity inlet seat and needle for use in ‘E’ / ‘G’ and ‘B’ carbs (standard issue in ‘D’ carbs).
Why is there no fuel in my carburetor?
If you can, try cleaning the fuel line out and replacing the fuel filter to make sure you’re getting fuel to the carburetor. Inspect the fuel pump for wear and loose or cracked hoses. If there is no vacuum in the hose, you’re carb won’t get any fuel. This is most likely caused by a crack in the vacuum fuel lines or a bad fuel pump.
Why are S & S Shorty carbs air bleed # 13?
Since 2004 S&S shorty carbs have been fitted with an adjustable main jet air bleed (#13). Changing this jet to a larger size will delay the signal to the main jet, therefore aiding with high speed tuning as described in step 8. This also aides with tuning an engine that is fitted with an exhaust system that is not intended for high performance.
When to decrease the main jet on a carb?
If the engine is flat or will not accelerate, decrease the main jet by .004″. Since 2004 S&S shorty carbs have been fitted with an adjustable main jet air bleed (#13). Changing this jet to a larger size will delay the signal to the main jet, therefore aiding with high speed tuning as described in step 8.
What should I do if my CARB is not working?
If the engine does not run smoothly at low speeds, fouls plugs, blows black smoke or gets bad gas mileage a smaller (leaner) intermediate jet needs to be installed. Always readjust the idle mixture (#2) and idle speed (#1) screws after making a jet change.