High-performance iridium alloy spark plug engineered for exceptional durability and enhanced ignitability. Features an ultra-fine 0.6mm wire center electrode that ensures a stable, concentrated spark, quicker engine starts, improved throttle response, and superior anti-fouling characteristics. Like its standard counterpart, it features a unique "bantam" compact overall height and a tapered-cut, low-angled ground electrode explicitly engineered for applications with limited clearance above the cylinder head. Built with trivalent metal plating for advanced anti-corrosion and anti-seizing performance, a built-in resistor, a non-projected tip, and a solid terminal configuration to resist vibration loosening.
Specs & Details
- Stock Number: 2707
- Part Number: BR9ECMIX
- Thread Size: M14 - 1.25
- Reach: 19.0 mm (0.750 in)
- Seat Style: Gasket (Flat)
- Heat Range: 9
- Resistor Type: Resistor (5,000 Ohms)
- Terminal Type: Solid Terminal (Non-Removable Nut)
- Electrode Material: Iridium fine-wire center electrode (0.6mm)
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| KTM | 125 SX / 144 SX / 150 SX & XC | Two-Stroke Motocross | 2008–2019 |
| KTM | 85 SX / 105 SX | Two-Stroke Youth Motocross | 2008–2020 |
| Aprilia | RS 250 | Two-Stroke Sportbike | 1996–2002 |
| Yamaha / Husqvarna | YZ65 / TC85 / TE125 / TE150 | Two-Stroke Motocross / Enduro | 2012–2020 |
TSO Garage Note: A cold heat range (9) specialized fine-wire iridium upgrade featuring a compact "bantam" insulator height and a solid terminal. The BR9ECMIX serves as the premium high-performance counterpart to the standard BR9ECM (Stock #3252). It is heavily utilized as an anti-fouling upgrade for smaller-displacement, high-revving European motocross bikes (like the KTM 125/150 SX and Husqvarna TE125) and legendary two-stroke track bikes (like the Aprilia RS 250) where clearance above the cylinder head is extremely limited. The compact design prevents physical interference, the solid terminal resists vibration, and the colder heat range effectively dissipates heat during sustained high-RPM operation.
Compatibility
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