NGK BR9ES Spark Plug

Reliable standard plug for many 2-stroke engines. Ideal for tuned setups needing a cold heat range. Ensures stable ignition, good performance and long life.

• Thread : M14, long thread (E)
• Model: NGK BR9ES (5722)
• Heat range: 9 (cold) – ideal for sport / midrace / racing cylinders
• Reliable ignition performance
• Long service life
• Easy to install

Recommended Use :

• 50cc / 70cc sport & racing engines
• Aluminum racing cylinders
• Also suitable for many stock scooters needing heat range 9

Heat Range Guide (NGK) :

Higher number = colder plug

• Stock cylinders: B7 / B8
• Sport / Midrace: B8 / B9
• Racing aluminum: B9
• With internal rotor: +1 step (e.g., B10)