NGK Spark Plug LMAR8A-9 – Standard 🔥⚙️

This is clean ignition done the right way. The NGK LMAR8A-9 is built for consistent spark, controlled heat, and long-term reliability—no misfires, no drama, just smooth combustion every time you thumb the starter. Street-tested, precision-built, and trusted by riders who actually put miles on their machines.

The Breakdown

🔥 Reliable Spark Performance – Resistor-style plug delivers stable ignition and reduced electrical noise
🧱 Pure Alumina Ceramic Insulator – High strength with excellent heat transfer to prevent overheating
🛡️ Trivalent Metal Plating – Superior resistance to corrosion and thread seizing
🔒 Triple-Seal Construction – Prevents compression leakage under real riding conditions
⚡ Copper Core Center Electrode – Pulls heat away fast for consistent performance
🧠 Nickel Alloy Electrode Tip – Durable, dependable, and made for long service life
🔩 Solid Terminal Design – Secure connection with standard ignition systems
🏍️ Street-Tuned Specs – Heat range 8 with a 0.8 mm (0.031") preset gap

This is a standard NGK spark plug with a 26.5 mm thread reach, 14.3 mm hex size, projected center electrode, single ground electrode, and 5k ohm resistance—built to fire clean and stay cool under everyday riding.

Fitment

Designed for select street models including:
2016 Triumph Street Twin
2016 Triumph Thruxton 1200
2016 Triumph Thruxton R
2016 Yamaha XSR700
2014 Yamaha MT-07
2008–2011 Honda SH300i

If your bike calls for an LMAR8A-9, this is the plug that keeps it running sharp and starting strong.