Hyundai Kona: Ignition System / Spark Plug Description and operation

A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator.

Spark Plug Specifications

Specification Item Specification Type SILZKR8E8G Gap 0.7 - 0.8 mm (0.0275 - 0.0314 in.) ...

Spark Plug Repair procedures

Inspection [On vehicle Inspection] 1. Accelerate the engine to about 3,000rpm 3 times or more. 2. Remove the spark plug. ...

Other information:

Hyundai Kona (OS) 2018-2024 Owners Manual: Rear center seatbelt (3-point rear center seat belt)
1.Insert the tongue plate (1) into the buckle (2) until an audible “click" is heard, indicating the latch is locked. Make sure the belt is not twisted. When using the rear center seat belt, the buckle with the “CENTER” mark must be used. WARNING Always have the metal tab inserted into the b ...

Hyundai Kona (OS) 2018-2024 Service Manual: Gear Actuator Assembly Repair procedures
Removal 1. Remove the air cleaner assembly and air duct. (Refer to Engine Mechanical System - "Air Cleaner") 2. Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery") ...