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NGK Laser Iridium spark plugs are NGK's highest-specification iridium plug — featuring both a laser-welded iridium centre electrode and a platinum-tipped ground electrode for the ultimate combination of ignitability, durability, and precision. NGK is the world's leading spark plug manufacturer and OEM supplier to the majority of major motorcycle manufacturers.
The Laser Iridium series uses a laser welding process to attach the iridium tip to the centre electrode — a more precise and durable bond than mechanically pressed tips used in lower-specification plugs. The ultra-fine iridium tip requires minimal voltage to produce a spark, maximising available ignition energy for combustion. The platinum-tipped ground electrode provides matched durability at both electrodes, ensuring consistent gap geometry is maintained over the plug's extended service life.
Laser Iridium plugs are typically specified as OEM equipment in modern high-performance motorcycle engines that require precise spark delivery for electronic fuel injection and ignition management systems to function optimally.
Key Features:
| Bike make | KTM |
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NGK is a Japanese manufacturer established in 1936 and the world's largest supplier of spark plugs. NGK plugs are OEM-specified for the majority of motocross, enduro, and road bike engines produced by Honda, Yamaha, KTM, Husqvarna, Kawasaki, and Suzuki.
The spark plug range for off-road applications includes standard copper core, iridium, and racing grade plugs, each manufactured to precise heat range specifications matched to individual engine requirements. NGK publishes exact part number cross-references by make, model, and year, ensuring correct heat range and electrode configuration for every application. Iridium plugs provide extended service life over copper equivalents without heat range compromise.
