Standard OE-approved copper core spark plug featuring a solid 98% pure copper core for enhanced heat dissipation and wider heat ranges. Built with trivalent metal plating for superior anti-corrosion and anti-seizing properties, a built-in resistor, and a non-projected tip design tailored for moderate-to-high performance two-stroke applications.
Specs & Details
- Stock Number: 5122
- Part Number: BR7ES
- Thread Size: M14 - 1.25
- Reach: 19.0 mm (0.750 in)
- Seat Style: Gasket (Flat)
- Heat Range: 7
- Resistor Type: Resistor (5,000 Ohms)
- Terminal Type: Removable Nut
- Electrode Material: Nickel alloy center electrode (Copper core)
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| KTM | 250 / 300 XC & XC-W | Two-Stroke Enduro / Cross-Country | 2006–2018 |
| Beta | 250 / 300 RR & EVO | Two-Stroke Enduro / Trials | 2008–2018 |
| Suzuki | JR 80 / DS 80 | Two-Stroke Youth Trail | 1996–2004 |
TSO Garage Note: A medium-cold heat range (7) standard resistor plug with a 19mm reach and removable terminal nut. It serves as a highly reliable, cost-effective replacement for modern 250cc and 300cc two-stroke woods bikes (like the KTM XC-W and Beta RR series), as well as classic air-cooled two-stroke enduros operating under moderate thermal loads.
Compatibility
Fetching compatibility details...
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