
What causes an ezgo golf cart to backfire? Golf cart backfiring is nearly always caused by the accelerator cable being out of tune at the throttle plate of the carburetor A carburetor or carburettor is a device that mixes air and fuel for internal combustion engines in the proper air–fuel ratio for combustion. It is sometimes colloquially shortened to carb in the UK and North America or carby in Australia. To carburate or carburet means to mix the air and fu…Carburetor
Full Answer
Why does my golf backfire through the carburetor?
The exhaust system has poor quality gas. The exhaust system has accumulated unburned fuel. The micro-switch gets engaged with the ignition. A golf can backfire due to the throttle plate inside the carburetor being open, or a incorrect throttle cable adjustment. A golf cart backfires through the carburetor because of an open throttle plate.
How do I Stop my EZGO TXT golf cart from backfiring?
The following are some ways EZGO TXT golf cart owners have stopped backfiring in their carts. Adjusting the governor so that the rev limiter doesn’t reach the maximum limit helps to resolve the problem. Readjusting the valves to 0.005 or 0.006 inches solves the issue. This adjustment may be needed because the engine is cold.
What are some of the common problems with gas EZGO Kawasaki engines?
Factory problems inherent to gas ezgo Kawasaki engines include valve problems because some engineers put two 90 degree turns in the exhaust which creates excessive backpressure and heat on the valves. The buildup of carbon in the exhaust contributes to the problem.
What causes a backfire from the intake manifold?
Backfires in the intake manifold are caused by defective intake valves, build-up of fuel in the intake system, or ignition timing that is out of adjustment. Again address the issue to eliminate the symptom.

Why is my Golf Cart Backfiring?
The adjustment of the accelerator cable at the throttle plate has changed.
Why does my air filter backfiring?
An incorrectly adjusted throttle or an improperly seated air filter assembly triggers backfiring. Adjusting the throttle or proper seating of the air filter assembly will fix this problem.
How to tighten accelerator cable?
If the accelerator cable passing through the throttle plate is held in position using a cable nut, loosen the nut and press the throttle plate till it’s closed. Once the plate is closed, tighten the nut once again. Ensure that the accelerator cable spring remains pressed against the throttle plate.
How to stop a Yamaha G16 golf cart from backfiring?
The steps below can stop a Yamaha G16 golf cart from backfiring. Replace the plastic manifold spacer between the carburetor and head if it’s cracked. Also, replace a leaky exhaust pipe or gasket. Loosen the big mixture screw which may be very tight, by a few turns. Often, you’ll not need to turn more than 1-1/2 turns.
What to do if throttle cable spring is missing?
If the spring over the throttle cable between the cable stop and cable arm is missing or has lost its tension, do a replacement. Follow up with a recalibration of the governor.
What to do if muffler is blocked?
Replace the muffler if there is a hole causing a leak. If it’s blocked, getting it cleared will fix this issue.
Why set valve lash to 0.005 inches?
Set the valve lash to 0.005 inches because the valves may have gone out of adjustment due to a cold engine.
Why does my golf cart backfire?
Golf Cart Backfires Because Fuel Mixture Is Too Rich. Always check the air and fuel ratio to make sure your engine is not receiving too rich of a fuel mixture. The following adjustments are an example of most carburetors, but you should look up the proper number of screw turns your model requires.
Why is my piston red?
If you find that there is a buildup of coke on the top of your piston be sure and use a blunt tool to scrape it off because the piston material is very soft and can scratch or gouge easily. A scratch or gouge would glow red at the edges and cause just as much of an ignition point as the original issue would have and would defeat the purpose of de-coking.
How Do I Clean The Carburetor To Stop Backfiring On My Golf Cart?
Cleaning the golf cart carburetor will require you to obtain a rebuild kit, or at the very least, a gasket kit. The gaskets and seals will not re-compress properly if you try to reuse them. If you buy a kit online, specify the year and make of your golf cart and make sure that it includes the main jet and gaskets required to finish this job.
Why is my throttle plate not closing?
If none of these accelerator cable adjustments solve the problem, then the throttle plate may not be closing all the way due to an obstruction or internal mechanism being bent. Unfortunately, the only way to find out if this is true is to remove the carburetor and inspect it.
How to uncook a muffler?
It sounds crazy, but the common method of un-coking a muffler is to remove it from the cart and barbecue it over a fire for about half an hour. This will burn off all of the debris inside the muffler and turn it to ash.
What is the ignition system on a golf cart?
Older golf carts used a set of points and a condenser to produce the spark needed to run the engine, but the more modern carts have a solid-state ignition system . The solid-state system utilizes an internal magnetic pickup device inside the engine that sends an electrical signal down the line to the igniter.
How to put air mixture back in?
When putting the air mixture screw back in, turn it to a soft seat and then back it off to the number of turns you took note of earlier. Bolt the carburetor back on to the engine head and reattach the cables and other lines. Replace the fuel filter and reconnect the line to the carburetor inlet.
Carburetor
More often than not, golf cart backfiring is caused by the throttle plate inside the carburetor being slightly open. This allows fuel to flow into the cylinder before the ignition system is activated to produce a spark for combustion.
Accelerator Cable
In almost all cases, whether it is a 2 cycle or 4 cycle engine, golf cart backfiring is caused by the accelerator cable being out of adjustment at the throttle plate of the carburetor. This problem has a relatively simple cure.
Adjustment
For proper symbiosis between the fuel and ignition systems, the accelerator micro switch must click BEFORE the throttle lever of the carburetor moves. The accelerator cable may move through the plate, but the plate itself cannot move prior to the micro switch click.
How to prevent backfire in engine?
1. Check Your Spark Plugs. If your engines spark plugs are not able to fully burn the air and fuel mixture in the cylinder this can cause the air-fuel mixture to ignite in the exhaust manifold causing a backfire. If you are unsure of when your spark plugs were last replaced it would be a good idea to inspect them for carbon buildup and corrosion. ...
Why does my engine backfire through the carburetor?
If cylinder one is supposed to be sucking in the air into the cylinder but the cylinders spark plug ignites during that process this can cause your engine to backfire back through the carburetor.
Why Is My Engine Backfiring?
An engine backfire is when an internal combustion engine causes an explosion that occurs either in the air intake or the exhaust system instead of within the engine cylinder combustion chamber as designed. This will usually be accompanied by a loud bang that will come from your engine and exit through your exhaust.
Why does my car's distributor go bad?
Eventually, distributor caps can go bad and cause them to not send enough electricity through your spark plug wires to be able to fully burn the air-fuel mixture in your engine cylinder which can cause engine backfiring.
What happens if the intake valve is open when the spark plug ignites?
If your intake valve is still open when your spark plug ignites this will cause the spark plug to ignite the air and fuel mixture and shoot that out of the air intake port back towards the carburetor of your engine. If you have a newer vehicle then you probably do not have a carburetor and will instead have an electronic ...
Why does my car's carburetor backfire?
If your carburetor is sending too much fuel into the air intake of your engine this can cause your engine to backfire. If you know how to adjust your carburetor on your car then you can adjust it to send less fuel into the air intake so that this no longer happens.
What does it mean when your engine is running rich?
If your engine is running rich this means that it is injecting more fuel into the cylinder of your engine than can be burned off during the combustion process. When this happens the unburnt air and fuel mixture can be ignited in the exhaust chamber and shoot out of your car through your tailpipe.