A common reason is that if you leave the outboard tilted down after running it, there can be oil build up in the cylinders. Which, as the engine sits, it can leak down into the cylinder and then, when you start it up, you will see smoke! Just trim the engine up to about a 45-degree angle and let it sit for a while. That should resolve the smoking.
Full Answer
Why is my Yamaha golf cart smoking?
A Yamaha golf cart may be smoking because the exhaust is plugged with burnt oil that causes back pressure. If it’s blowing the oil fill cap off, then oil is clogged up and causing pressure in the crankcase.
Why is there oil in the airbox of my Yamaha golf cart?
If that’s the case then you need to rebuild your engine to replace the rings and fix the problem. Why is there oil in the airbox of your Yamaha golf cart? There’s oil in your airbox because there’s too much oil in your engine. If there’s too much oil, it’s probably because of a mismarked dipstick in your engine.
Why is my Yamaha G9 smoking?
Your Yamaha G9 might be smoking because your oil rings are stuck on a piston due to engine sludge buildup. If this is the case, your engine needs to be rebuilt to fix it. Your G9 might be smoking because of oil in the muffler. Run your cart hard for 30 minutes to an hour or cook your muffler in a bonfire to fix this.
How do I Stop my G22 golf cart from smoking?
Replacing the fuel pump, fuel filter, spark plug and air filter of your cart can also fix smoking problems. If your G22’s oil is overfilled then it will smoke. Drain the old oil and clean out your airbox if there’s oil in it. Then fill in exactly one quart of oil to your G22. This should fix your smoking issue.
What causes a Yamaha golf cart to smoke?
Why is your Yamaha golf cart smoking bad? A Yamaha golf cart may be smoking because the exhaust is plugged with burnt oil that causes back pressure. If it's blowing the oil fill cap off, then oil is clogged up and causing pressure in the crankcase.
How do I fix my smoking golf cart?
Remove the valve with gloved hands to avoid getting stained by excessive grease or oil. Clean off the area where you are installing the valve and put the new valve in place. Tighten it down and your engine should stop smoking. If the clog is deeper in your engine or beyond the valve, you are going to need expert help.
What causes a golf cart to sputter?
Golf carts can spit and sputter for several reasons, but mainly due to worn out spark plugs or dirty filters inside the fuel system. There might be something wrong with the fuel system of your cart. You could be having a spit and sputter problem because the filter, pump and injectors in your golf cart are very dirty.
What causes gas in oil on golf cart?
If the fuel pressure in your car is too high that may cause gasoline to get into the engine oil. So check if the float in the gas tank is rising the way it should be rising or if it needs an adjustment. Check whether the oil level might be really high, or else this can cause problem.
How do I clean the exhaust on my golf cart?
0:566:41How To Clean Your Car Exhaust! FT. Golf R / Fiesta ST - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd yes you can see on screen that's just basically what I use auto Sol metal polish. I also justMoreAnd yes you can see on screen that's just basically what I use auto Sol metal polish. I also just used an old cloth to be honest I probably could use a newer one that that kind of does the trick.
What causes a gas golf cart to backfire?
The golf cart backfires through the carburetor because of an open throttle plate. The accelerator cable at the scale is out of adjustment and, in turn, stops the vessel from closing when the microswitch makes contact with the ignition.
How do you adjust the carburetor on a Yamaha golf cart?
How to Adjust Yamaha Golf Cart CarburetorPull out the pilot adjustment screw. ... Rethread the screw back until it's slightly seated.Turn the screw outwards by 1-1/2 turns.Push the throttle stop screw backward until the throttle shaft is closed completely.Turn the screw in by a 1/4 turn.
How do I stop my Yamaha golf cart from backfiring?
One simple way to stop the golf cart from backfiring is to use good quality fuel. Once this is done, ensure that the throttle plate is closed by adjusting the accelerator cable at the plate.
How do I reset my Yamaha golf cart?
Identify your main battery supply (usually the largest battery) on your motor. Check around this supply for a small red button that may or may not be labeled “Reset”. Press and hold this button for a few moments and then release it to reset the motor.
Will oil in gas harm engine?
Yes, you may pour the unused fuel mixture into your car, provided you don't fill the tank with the stuff. A couple gallons, if diluted by a tank-full of gas, will do no harm.
How can you tell if gas has oil in it?
If it smells like fuel, it means some fuel has found its way to the oil pan. Watch the oil as it drops off the dipstick. If the oil drops faster, it tells you to have an oil-gas mixture.
Why does my Yamaha golf cart smoke?
A Yamaha golf cart may be smoking because the exhaust is plugged with burnt oil that causes back pressure. If it’s blowing the oil fill cap off, then oil is clogged up and causing pressure in the crankcase.
Why is my Yamaha G9 smoking?
Your Yamaha G9 might be smoking because your oil rings are stuck on a piston due to engine sludge buildup. If this is the case, your engine needs to be rebuilt to fix it. Your G9 might be smoking because of oil in the muffler. Run your cart hard for 30 minutes to an hour or cook your muffler in a bonfire to fix this.
Why does my Yamaha G16 burn oil?
Your Yamaha G16 is burning oil because it has fuel in the oil. The first thing you should try to fix the burning oil problem is replace the old oil in your cart with exactly one quart of high quality oil. Hopefully this immediately fixes your problem. If your oil is overfull then your G16 will burn oil.
Why is my G16 oil overfilled?
Your oil being overfull might be because you lifted your cart which causes your oil dipstick reading to be off (the full mark is incorrect). This causes you to overfill your oil. If your oil smells like gas and is too overfull then gas will get dumped into the crankcase of your G16 and cause smoking.
How to fix a G16 engine?
To fix this, take out your airbox and clean it, clean your carburetor, drain your oil and fill in exactly one quart of oil.
Why is there oil in my Yamaha golf cart?
Why is there oil in the airbox of your Yamaha golf cart? There’s oil in your airbox because there’s too much oil in your engine. If there’s too much oil, it’s probably because of a mismarked dipstick in your engine. To fix this, drain out all the oil in your engine then fill in exactly one quart of oil.
How to fix a G16 airbox?
Fix this by draining your G16’s oil and then filling in exactly one quart. Clean out the excess oil in your airbox as well.
Why does my golf cart blow out?
How to Fix Golf Cart Blowing Out (White Smoke) White smoke usually means your engine is running hotter than normal. If there’s a bit of smoke when you’re just starting the cart, it might just be the cart warming up. Excessive amounts of white smoke might mean there’s a problem with your cooling system.
Why does my golf cart spit?
Golf carts can spit and sputter for several reasons, but mainly due to worn out spark plugs or dirty filters inside the fuel system. There might be something wrong with the fuel system of your cart. You could be having a spit and sputter problem because the filter, pump and injectors in your golf cart are very dirty.
Why does my carburetor spit gas?
Problems with the timing chain in your cart might also be making your carburetor spit gas. If you have a timing belt that jumps, it’s probably causing your gas spitting problems. Jumping belts are more common when you have plastic camshaft timing gears rather than metal timing gears. Lastly, bad reeds can lead to gas spitting.
How to fix gas spitting from valve cover?
Here’s what you can do to fix gas spitting from the valve cover. Replace the needle in the carburetor or replace the whole carburetor. The other thing that’s likely to cause gas to spit from the valve cover of your cart is your carburetor float being stuck open. This is simple enough to fix.
How to tell if your carburetor is dirty?
Lastly, it might be that your carburetor is too dirty. If your carburetor is dirty, your cart engine will sputter.
Why is my cart blue?
It might be a leaking valve which could lead to fires in your engine. Blue smoke might be caused by damaged rings in your engine. Check if the rings in your cart engine are busted and if they are, do a ring job and replace them.
What to do if your golf cart is spitting gas?
Lastly, if your golf cart is spitting gas, you may need to replace your air box. A relatively common problem is getting replacements that aren’t the stock air box for your cart. Something that most people don’t know or forget about is that if you’re using aftermarket filters, you absolutely must reset your carburetor.
Why do golf carts get fouled up?
The spark plugs and valves of the cart may get fouled up due to the richness of the engine. They will have to be removed and cleaned using a brake or carburetor cleaner followed by their reinstallation. The speed of the golf cart tends to reduce considerably if it has been driven with the choke on for a long time.
When to use a golf cart choke?
A golf cart choke is often used when a cold engine is started. It controls the airflow when fuel is moved to the engine. The choke is released when the mixture is stabilized and the engine can operate by itself without any restriction of air.
Why does my car have air leaks?
There may be air leaks because of cracks in the adapter plate housing the carburetor, carburetor, spacer, gaskets or air hose from the fuel pump to the engine. A missing plug in the bottom of the air box also causes the problem.
Why does my gas cart show poor gas economy?
The cart shows signs of poor gas economy because the choke opens only partly. The engine of the cart tends to lose power or run rough due to incorrect choke adjustment. The cart shows poor performance when running at low speed because the choke is on or pulled out. The spark plugs of the cart get damaged due to choke seizure when ...
How to fix a carburetor?
To fix it, Check the cable of the carburetor to see if it’s in good condition. Press the accelerator and check if the engine begins turning over before the carburetor gets opened up by the cable. If this is not happening, the accelerator cable that is present inside the electrical component box must be adjusted.
What is a dirty check valve?
Dirty or damaged valve in fuel tank. The fuel tank has a dirty or damaged check valve. Alternatively, the check valves under the Welch plug is at fault. Inspect the fuel tank for a dirty or faulty check valve. Also, check the one under the Welch plug.
Why does my carburetor heat up?
The carburetor needs cleaning or is missing a component. Check for dirt accumulation in the carburetor and clean it up immediately. The dirt build-up can cause the carburetor to heat up. Inspect the carburetor closely to see if all components are present. The absence of parts like fuel filters can trigger this problem.