Asked by: Adolfa Muresanasked in category: General Last Updated: 29th April, 2020
Why does my riding mower backfire when I try to start it?
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Similarly, you may ask, how do you fix a backfire on a lawn mower?
Possible Fixes for Backfiring:
- Lower engine speed slowly.
- Follow small engine fuel recommendations and/or switch to brands with low or no alcohol.
- Adjust carburetor for optimum performance.
- Inquire with equipment manufacturer about increasing air volume to decrease engine temperature.
Also, why is my lawn mower popping? A backfire is a popping noise caused by gasoline igniting outside of the combustion chamber of the engine.
Just so, what causes a small engine to backfire through the carburetor?
Usually when the engine backfires through the carburetor when starting, something is wrong in the valve and rocker arm area. Remove the spark plug(s) from the engine. Put a clean small screwdriver into the spark plug opening so you can tell when the piston is at the top of the stroke.
Why does my Briggs and Stratton engine backfire?
A spark plug that is damaged, worn, or has an improperly set gap between its electrodes creates a weak spark. As a result, the fuel may not ignite in the cylinder, but it might ignite when it reaches the hot exhaust muffler. The result is a loud backfire. Poor spark also results in a mower that runs unreliably.