Spark plug NGK LKAR9BI-10

Reference 21030397

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Choose a better spark for your motorcycle with the NGK LKAR9BI-10 standard-type spark plug, designed for road use.

To unscrew your spark plug, you will need a spark plug wrench.

Spark plug sold individually

23,10 € incl. VAT

instead of 33,00 € incl. VAT

Quantity

Available [15 in stock] Shipped on 6/15/26. , expected delivery date 6/17/26

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Description

Compatible with

NGK standard-type spark plug, designed for road use. These spark plugs ensure optimal combustion of the air/fuel mixture, limiting exhaust system fouling and contributing to reduced pollutant emissions.

To guarantee the reliability and quality of its spark plugs, NGK uses a ceramic insulator, a premium material known for its resistance to heat and wear.

Sold individually – non-contractual photo.

What is a motorcycle spark plug used for?

As the first component involved in combustion in a gasoline engine, the spark plug plays an essential role since it is responsible for igniting the air/fuel mixture in the engine’s combustion chamber. This combustion generates the power needed to move the vehicle.

To ensure optimal combustion, the spark must occur when the piston reaches its highest compression point. The quality of this ignition influences many factors affecting riding and the environment, such as performance, engine efficiency, and reduced emissions.

Learn more about the NGK brand

This NGK Iridium spark plug is designed to meet manufacturer specifications and increasingly strict emission standards.

NGK Spark Plug is now the global leader and specialist in ignition and sensors. Worldwide recognized for its expertise and technological innovation, NGK has become a reference for manufacturers, distributors, and repair professionals in the automotive, motorcycle, gardening, and marine sectors.

The NGK range is extremely comprehensive: Iridium, Platinum, and Racing spark plugs. The choice is wide and perfectly suited to different uses, whether for mechanical optimization or replacing original spark plugs with higher-performance components.

This product is comptable with:

HUSQVARNA	Supermoto 701	2020 => 2026+
HUSQVARNA	Vitpilen	2018 => 2022
KTM	690 DUKE	2016 => 2019
KTM	690 DUKE R	2016 => 2017
KTM	1050 ADVENTURE	2015 => 2016
KTM	1090 ADVENTURE	2017 => 2017
KTM	1090 ADVENTURE	2018 => 2018
KTM	1090 ADVENTURE R	2017 => 2019
KTM	1090 SUPER ADVENTURE T	2017 => 2017
KTM	1290 SUPER ADVENTURE	2015 => 2016
KTM	1290 SUPER ADVENTURE S	2017 => 2020
KTM	SUPER DUKE 1290 GT	2016 => 2018
KTM	SUPER DUKE 1290 GT	2019 => 2021
KTM	SUPER DUKE 1290 R	2017 => 2019
KTM	SUPER DUKE 1290 R	2020 => 2023
KTM	SUPER DUKE 1290 R EVO	2022 => 2023