Description
Overview:
The NGK B8ES is a genuine spark plug (MPN 2411) sold individually for maintaining reliable ignition in petrol engines. Built with a robust steel shell and a durable ceramic insulator for electrical insulation and heat resistance, it delivers a consistent spark to aid smooth starting and clean combustion. The 19 mm thread reach (0.75 inches) helps ensure a secure, accurate fit where specified by the engine maker. Suitable for a wide range of agricultural and powersports engines, it is commonly used in Allis-Chalmers tractors and Yamaha motorcycles, including the Allis-Chalmers 180 and Yamaha YTZ250. Chosen by tradespeople and DIY users alike, this genuine NGK part supports dependable performance when replacing worn or fouled plugs.
Key Features:
- Genuine NGK part for assured quality and consistency (MPN 2411)
- 19 mm thread reach (0.75 inches) for correct seating in specified cylinder heads
- Designed to deliver a stable spark for smooth idling and reliable starting
- Durable construction with a corrosion-resistant metal shell and ceramic insulator
- Helps maintain efficient combustion and reduce misfires when fitted correctly
- Suitable for a broad range of agricultural and motorcycle petrol engines
- Straightforward to fit using a suitable spark plug socket; always check gap as per the service manual
- Sold individually, ideal for single-plug replacements or building a full set
- Widely supported by service information for Allis-Chalmers and Yamaha applications
- Built to withstand vibration and heat cycles typical of outdoor power equipment
Typical Applications:
Used in tractor and motorcycle petrol engines where a B8ES specification is called for. Common in Allis-Chalmers agricultural machinery and Yamaha two-stroke motorcycles such as the YTZ250. Suitable for routine maintenance, plug changes during engine tuning, and troubleshooting hard starting, rough running, or poor throttle response caused by worn or fouled plugs.
Also known as:
Ignition plug, spark igniter, engine plug, petrol plug, ignition element, combustion igniter, plug for petrol engines, high-tension plug. These terms refer to the same component in the ignition system that creates the spark to ignite the air-fuel mixture.
Fits Models:
Allis-Chalmers 180, Allis-Chalmers 190, Allis-Chalmers 190XT, Allis-Chalmers G-226, Allis-Chalmers G-262, Allis-Chalmers D-17, Allis-Chalmers D-19, Yamaha YTZ250
Product Specifications
| L&S Part No. | B8ES |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | NGK |
| OEM No. | 2411 |
| Unit of Sale | 1 |
| Applications | Allis-Chalmers 180, Allis-Chalmers 190, Allis-Chalmers 190XT, Allis-Chalmers G-226, Allis-Chalmers G-262, Allis-Chalmers D-17, Allis-Chalmers D-19, Yamaha YTZ250, Allis-Chalmers180, Allis-Chalmers190, Allis-Chalmers190XT, Allis-ChalmersG-226, Allis-ChalmersG-262, Allis-ChalmersD-17, Allis-ChalmersD-19, YamahaYTZ250 |
| Machine Type | Tractors |
