Description
The NGK BR9ECMIX Iridium IX Spark Plug is engineered for high-performance engines, delivering superior ignition efficiency, improved throttle response, and long-lasting durability. Designed with a fine-wire iridium center electrode, this plug provides exceptional ignitability and consistent spark performance, making it ideal for racing, modified, and high-output applications.
Its advanced construction includes a solid copper core for optimal heat dissipation and a tapered cut ground electrode that enhances combustion efficiency. With superior anti-fouling characteristics and corrosion-resistant trivalent metal plating, the NGK Iridium IX ensures reliable starts and smooth operation even under demanding conditions.
Features:
- Fine-wire iridium center electrode (0.6 mm) for strong, consistent spark
- Superior acceleration, throttle response, and fuel efficiency
- Solid copper core for excellent heat transfer and conductivity
- Tapered cut ground electrode for improved ignitability
- Outstanding anti-fouling performance for high-performance engines
- Trivalent metal plating for corrosion resistance and anti-seizing
- Designed for modified, racing, and high-performance applications
Specifications:
- Brand: NGK
- Part Number: BR9ECMIX
- Stock Number: 2707
- Resistor: Yes (5,000 Ohms)
- Electrode Material: Iridium (center), Nickel (ground)
- Center Electrode Design: Fine wire
- Ground Electrode Design: Taper cut, slant configuration
- Thread Size: M14 x 1.25
- Reach: 19.0 mm
- Hex Size: 13/16"
- Seat Type: Flat (crush washer included)
- Pre-Gap: 0.8 mm
- Heat Range: 9
- Terminal Type: Solid (non-removable nut)
- Insulator Material: Ceramic
Fitment Highlights:
Compatible with a wide range of performance motorcycles and off-road bikes, including:
- Aprilia RS 250 (1996–2002)
- KTM 85 SX / 105 SX / 125 SX / 150 SX / XC / XC-W models (2008–2025, varies by model)
- Yamaha YZ65 (2018–2020)
- Sherco 125 SE Factory (2023–2025)
(Verify exact fitment by year, model, and engine.)
