NGK LMAR8E-J / 90398 Spark Plug Nickel Fits Yamaha

The NGK LMAR8E-J / 90398 spark plug is engineered for Yamaha engines, delivering reliable ignition and efficient combustion. Nickel alloy electrode provides durability, with an M10 thread, 14 mm hex, and a 0.7 mm gap for precise spark delivery. Designed for petrol applications, it tolerates heat and vibration to support smooth starts and steady idle. With robust construction and resistance to fouling, this plug enhances performance and longevity, making it a dependable choice for riders seeking consistent power and responsiveness from their ignition system.