Description
Overview:
The NGK BR9ES is a genuine, resistor-type spark plug (MPN 5722) designed for dependable ignition in small engines and powersports machines. Built with a durable nickel-alloy centre electrode, a robust ceramic insulator, and a corrosion-resistant plated steel shell, it delivers a clean, consistent spark to ignite the fuel-air mix efficiently. Typical uses include motorcycles, ATVs and utility quads, light plant, and garden machinery where BR9ES is specified. It suits models such as the Honda ATC250R-F and TRX250 RH among others. With a 14 mm thread and long-reach form factor, it is easy to fit and service using a common 13/16 in socket (20.8 mm). Sold individually for straightforward maintenance and replacement.
Key Features:
- Genuine NGK part for consistent quality and reliability (MPN 5722)
- Resistor design to reduce electrical interference with onboard electronics
- 14 mm thread with long reach for secure seating and good heat transfer
- 13/16 in hex (20.8 mm) for easy installation with standard sockets
- Durable nickel-alloy electrode for stable spark and long service life
- Strong ceramic insulator for excellent heat dissipation and fouling resistance
- Corrosion-resistant metal shell to withstand moisture and vibration
- Stable ignition helps cold starts, smooth running, and efficient combustion
- Suitable replacement when BR9ES is specified by the engine manufacturer
- Sold individually for convenient one-for-one replacement
Typical Applications:
Used in two-stroke and four-stroke small engines found in ATVs, off-road bikes, utility quads, light construction equipment, and selected garden machinery. Ideal for routine servicing, troubleshooting misfires, restoring throttle response, and maintaining fuel efficiency where an NGK BR9ES is specified.
Also known as:
Resistor plug, 14 mm long-reach plug, 13/16 in hex plug (20.8 mm), ignition component, nickel-electrode plug, engine ignition part, NGK 5722.
Fits Models:
ATC250R-F, ATC250R-G, TRX250 RH, TRX250 RJ, TRX250 RK, TRX250RH, TRX250RJ, TRX250RK
Alternate Part Numbers:
5722
Product Specifications
| L&S Part No. | BR9ES |
|---|---|
| Manufacturer | NGK |
| OEM No. | 5722 |
| Unit of Sale | 1 |
| Machine Type | All Terrain Vehicles |
| Key Features | - 14 mm thread with long reach for secure seating - 13/16 in hex (20.8 mm) for easy installation - Resistor design reduces electrical interference - Durable nickel-alloy electrode for long service life - Suitable for ATVs, motorcycles, and garden machinery |
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