How to remove the spark plug of parking diesel heater

Take it off with our usual wrench. The spark plug electrode and its surroundings are covered with black soot, which seriously affects the start of motorcycle. The black spark plug can be clamped with wire cutters, and the electrode section of the spark plug is burned on the gas flame. It can be seen that the black electrode gradually brightens and the black residue disappears.

The way to replace the spark plug is

Open the engine hood, lift the plastic cover of the engine, lower the high-voltage branch line, mark it according to the position of each cylinder to avoid confusion, and then remove it. First, put the spark plug into the spark plug hole, turn it by hand for several turns, then tighten it with a sleeve, install the removed high-voltage branch line according to the ignition sequence, and tighten the cover plate after installation.

Spark plug is an important part of the ignition system of gasoline engine, which can introduce high-voltage electricity into the combustion chamber, make it jump over the electrode gap to generate sparks and ignite the combustible mixture in the cylinder. Spark plug is mainly composed of connecting nut, insulator, connecting screw, center electrode, side electrode and shell.