Your timing is off in most cases, or your carburetor needs adjusting.
advance the timing a little.
Your lawn mower spark plug may be wet due to excess fuel in the engine or a faulty carburetor. To fix it, you can try cleaning or replacing the spark plug, adjusting the carburetor, or checking for any fuel leaks in the system.
To fix backfire on a 1968 Volkswagen Beetle, start by checking the ignition timing; it should be set to the manufacturer's specifications. Next, inspect the spark plugs for wear or fouling and replace them if necessary. Ensure the fuel mixture is correct, as an overly rich mixture can cause backfiring; adjusting the carburetor may be needed. Finally, check for any vacuum leaks in hoses or intake manifolds, as these can also contribute to backfire issues.
To fix an improper gas-air mixture, you may need to adjust the carburetor settings on the engine. This can involve tweaking the air-fuel ratio or adjusting the idle speed screw. If the issue persists, it may be necessary to clean or replace the carburetor components to ensure proper fuel delivery.
how do i fix leaking spray pump on a 2 barrel carburetor
It doesn't have a carburetor, it is fuel injected. What seems to be the problem?
replace spark plugs and wires
It will if that's what it needs and it is done right.
Look on the carburetor on left or right side. On it, look for a gold/brass colored screw with a spring on it. Turn in and out to adjust the idle speed. Nothing can be damaged with this as the importent screw jet screws are out of way and not easy to get at.
Replace coil
You repair an ATV by first getting the materials required to fix it. You will need a wide range of materials in order to fix your ATV. I would suggest getting help from an individual who is experienced in this area, so no accidents happen while you are repairing it.