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B8ES spark plug

Spark plug B8ES – Properties, Compatibility and Alternatives

The B8ES spark plug represents a standard heat range spark plug designed for reliable ignition performance in various internal combustion engines. This component serves as a critical element in the engine's ignition system, creating the electrical spark necessary to ignite the air-fuel mixture within the combustion chamber. The B8ES spark plug features a copper core electrode configuration that ensures consistent spark delivery and optimal engine performance across different operating conditions.

Advantages of the Spark plug B8ES

  • Superior heat dissipation capabilities through advanced electrode design and thermal management
  • Enhanced durability with Spark plug B8ES construction that resists fouling and electrode wear
  • Consistent ignition performance across various temperature ranges and operating conditions
  • Improved fuel efficiency through optimized B8ES spark plug gap specifications
  • Reduced emissions output contributing to cleaner combustion and environmental compliance
  • Extended service intervals reducing maintenance frequency and operational costs

Technical Data

Feature Value
Manufacturer NGK
Model B8ES
Type Standard copper core
Thread size 14mm
Thread length 19mm (3/4")
Wrench size 20.8mm (13/16")
Heat range 8 (medium-hot)
Electrode gap 0.7-0.8mm (0.028-0.031")
Resistance 5kΩ
Application Motorcycles, ATVs, small engines

Compatibility and Areas of Application

The B8ES spark plug demonstrates excellent compatibility with medium-displacement motorcycles and recreational vehicles requiring reliable ignition performance. This Spark plug B8ES component particularly excels in applications where consistent spark delivery is essential for optimal engine operation. The plug's heat range characteristics make it suitable for engines operating under moderate to high load conditions.

  • Motorcycle engines ranging from 250cc to 750cc displacement
  • All-terrain vehicles and utility task vehicles
  • Small marine outboard engines
  • Portable generators and power equipment
  • Recreational off-road vehicles

Suitable for the following vehicle models and equivalents

It is important to mention that alternative products can be found on AUTODOC. Currently, there are over 7000 items available in the spark plugs category.

Car maker Car Model
Honda CB400, CB500, XR400
Yamaha YZ250F, WR450F, TTR230
Suzuki DR350, LTZ400, DRZ400
Kawasaki KLX300, KX250F, Ninja 300

Application Notes and Important Questions

  • What is the recommended torque specification for installing Spark plug B8ES components? The standard torque range is 12-18 Nm to ensure proper sealing without thread damage.
  • How frequently should B8ES spark plug maintenance be performed? Inspection intervals typically range from 5,000 to 10,000 miles depending on operating conditions and manufacturer recommendations.
  • Can this spark plug withstand extreme temperature variations? The medium heat range design accommodates moderate temperature fluctuations while maintaining consistent performance.
  • What are the signs indicating replacement necessity? Common indicators include difficult starting, engine misfiring, reduced fuel economy, and visible electrode wear or carbon deposits.

Conclusion

The B8ES spark plug delivers reliable ignition performance for medium-displacement engines requiring consistent spark delivery and durability. Its proven design and technical specifications make it an excellent choice for various motorcycle and recreational vehicle applications. The B8ES spark plug represents a cost-effective solution that balances performance requirements with extended service intervals.

500 items
NGK 1015 Spark plug M14 x 1,25, Spanner Size: 20,8 mm, Quick
Article number: 1015 Trade numbers: B8ES
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Supplementary Info: Quick
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1015
  • Manufacturer: NGK
  • EAN number: 0087295010150
  • Condition: New
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NGK 2411 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2411 Trade numbers: B8ES
Reviews - 1
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 2411
  • Manufacturer: NGK
  • EAN number: 0087295124116
  • Condition: New
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€14.36 / Price per 4 items

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NGK 7311 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7311
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7311
  • Manufacturer: NGK
  • EAN number: 0087295173114
  • Condition: New
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€1.99
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€7.96 / Price per 4 items

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NGK 4028 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 4028
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  • Spark Plug: Connector Type SAE, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 4,0
  • Thread Size: M14 x 1,25
  • Item number: 4028
  • Manufacturer: NGK
  • EAN number: 0087295140284
  • Condition: New
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€2.29
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€9.16 / Price per 4 items

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NGK 5950 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 5950
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5950
  • Manufacturer: NGK
  • EAN number: 0087295159507
  • Condition: New
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NGK 2642 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2642
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 2642
  • Manufacturer: NGK
  • EAN number: 0087295126424
  • Condition: New
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NGK 1097 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 1097
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  • Spark Plug: with gasket seat, Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1097
  • Manufacturer: NGK
  • EAN number: 0087295110973
  • Condition: New
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NGK 1270 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 1270
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 1270
  • Manufacturer: NGK
  • EAN number: 0087295112700
  • Condition: New
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NGK 7023 Spark plug M10 x 1,0, Spanner Size: 16 mm
Article number: 7023
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  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,5
  • Thread Size: M10 x 1,0
  • Item number: 7023
  • Manufacturer: NGK
  • EAN number: 0087295170236
  • Condition: New
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€2.59
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€10.36 / Price per 4 items

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NGK 3725 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 3725
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 3725
  • Manufacturer: NGK
  • EAN number: 087295137253
  • Condition: New
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€10.36 / Price per 4 items

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NGK 6429 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6429
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 9,5
  • Thread Size: M14 x 1,25
  • Item number: 6429
  • Manufacturer: NGK
  • EAN number: 0087295164297
  • Condition: New
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NGK 7926 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7926
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 4,5
  • Thread Size: M14 x 1,25
  • Item number: 7926
  • Manufacturer: NGK
  • EAN number: 0087295179260
  • Condition: New
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  • Product line: V-Line
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5637
  • Manufacturer: NGK
  • EAN number: 0087295156377
  • Condition: New
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7811
  • Manufacturer: NGK
  • EAN number: 0087295178119
  • Condition: New
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Supplementary Info: BLISTER
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 91406
  • Manufacturer: NGK
  • EAN number: 0087295814062
  • Condition: New
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NGK 5638 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 5638
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5638
  • Manufacturer: NGK
  • EAN number: 0087295156384
  • Condition: New
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 4511
  • Manufacturer: NGK
  • EAN number: 0087295145111
  • Condition: New
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In stock
€2.99
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Supplementary Info: BLISTER
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 92010
  • Manufacturer: NGK
  • EAN number: 0087295820100
  • Condition: New
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€2.99
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€11.96 / Price per 4 items

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NGK 4632 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 4632
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  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 4632
  • Manufacturer: NGK
  • EAN number: 0087295146323
  • Condition: New
Details
In stock (Item(s) left: 10)
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7529
  • Manufacturer: NGK
  • EAN number: 0087295175293
  • Condition: New
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€3.29
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€13.16 / Price per 4 items

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