Description
NGK B7ES Spark Plug – NGK Stock No. 1111
The NGK B7ES is a non-resistor, gasket-seat spark plug designed for reliable ignition and stable performance. It uses a copper core for fast heat dissipation and a nickel alloy tip for durability. Heat range 7 in NGK terms makes it a slightly colder option than common road plugs, helping under higher loads or temperatures.
Why it matters
– Strong, consistent spark for smoother starting and idle
– Resists fouling better under sustained load due to colder heat range
– Robust construction for long service intervals when installed correctly
Fitment guidance
Suitable for many classic motorcycles, marine engines, karts, and older vehicles that specify NGK B7ES. Always confirm with the vehicle lookup or the Vehicle Fitment tab before ordering. Check your owner’s manual for the correct heat range and gap.
| Part Number | B7ES |
|---|---|
| NGK Stock Number | 1111 |
| GTIN | 087295111116 |
| Category | 686 – Spark Plug |
| Thread Diameter | 14 mm |
| Thread Reach | 19 mm |
| Hex Size | 20.8 mm (13/16 in) |
| Seat Type | Flat seat with gasket |
| Heat Range | 7 (NGK scale) |
| Resistor | No |
| Centre Electrode | Copper core with nickel alloy tip |
| Ground Electrode | Standard J-type, nickel alloy |
| Projected Tip | No |
| Terminal Type | Removable terminal nut |
| Factory Gap | 0.7 mm (adjust to vehicle spec) |
| Typical Applications | Classic motorcycles, small engines, older automotive and marine engines requiring NGK B7ES |
Important: Always set the spark plug gap to the vehicle’s specification and tighten to the correct torque. Incorrect gap or installation can cause misfire or damage.
The price displayed is for a single plug, please add the desired amount to your basket.
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