![Honda HRU19D Lawnmower Full Service (Carburettor, Oil, Spark Plugs, Blades) - Life, the Universe and Fishing Honda HRU19D Lawnmower Full Service (Carburettor, Oil, Spark Plugs, Blades) - Life, the Universe and Fishing](http://phwl.org/assets/images/2020/04/mower2.jpeg)
Honda HRU19D Lawnmower Full Service (Carburettor, Oil, Spark Plugs, Blades) - Life, the Universe and Fishing
Is it necessary to adjust electrode gap on spark plug for lawnmower? What happens if I dont not? Will they usually work in a mower without adjustment if I replace it with
![How to set spark plug gap - small engine repair and tune-up on a Honda Harmony 215 lawnmower - YouTube How to set spark plug gap - small engine repair and tune-up on a Honda Harmony 215 lawnmower - YouTube](https://i.ytimg.com/vi/T06B0SF_w5U/sddefault.jpg)