spark plugs for honda generators

Honda Generators Spark Plug Gap & Socket Size Guide

Are you looking for a new spark plug for your Honda generator but have no idea how to choose one? I have great news for you! Our team here at Generatorist has helped over 350,000 visitors find information about generators and we will help you as well.

Data for this page is based on official manuals from Honda. We will show you the type of spark plug for specific models of Honda generators, the gap size, alternatives, cross reference charts and links to manuals. We also provide references where you can verify this info for yourself.

Just click on your model to see the specifications and have a 5/8″ (16mm) or 13/16″ (21mm) socket & ratchet at hand.

Honda Generators

Spark plug (info from the User’s Manual)

  • TypeLR4C-E (NGK) or equivalent
  • Gap – 0.024″– 0.028″
  • Socket size – 5/8″ (16mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/LR4CE

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeLR4C-E (NGK) or equivalent
  • Gap – 0.024″– 0.028″
  • Socket size – 5/8″ (16mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/LR4CE

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=WlKUwAgRhpc

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=WlKUwAgRhpc

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Video – https://www.youtube.com/watch?v=WlKUwAgRhpc

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • Type – CR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • Type – CR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • Type – CR5HSB (NGK) or equivalent
  • Official part number98056-55777
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Videohttps://www.youtube.com/watch?v=zfR1ikN_HZM

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com/pe/pdf/manuals/31Z07610.pdf

Spark plug (info from the User’s Manual)

  • Type – BPR5ES (NGK) / W20EPR-U (DENSO) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • Type – BPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Official part number98079-55846
  • Gap – 0.028″– 0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Videohttps://www.youtube.com/watch?v=ZPlFUNA2dYM

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR6ES (NGK) / W20EPR-U (DENSO) or equivalent
  • Official part number – 98079-56846
  • Gap – 0.028″– 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • Type – BPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Official part number98079-55846
  • Gap – 0.028″– 0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttps://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR6ES (NGK) or equivalent
  • Official part number98079-56846
  • Gap – 0.028″– 0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Videohttps://www.youtube.com/watch?v=Rv2O5Eg8hR8

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Replacement parts – https://cdn.powerequipment.honda.com/pe/pdf/manuals/otr54654.pdf

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Videohttps://www.youtube.com/watch?v=Rv2O5Eg8hR8

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • Type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manualhttps://www.equipcoservices.com/pdf/manuals/honda_em2500.pdf

Spark plug (info from the User’s Manual)

  • Type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manualhttps://www.equipcoservices.com/pdf/manuals/honda_em2500.pdf

Spark plug (info from the User’s Manual)

  • Type – BPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttps://www.equipcoservices.com/pdf/manuals/honda_em3500.pdf

Spark plug (info from the User’s Manual)

  • TypeBPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • Type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manual – http://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • Type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manual – http://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR5ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeCR5HSB (NGK) or equivalent
  • Gap – 0.024″– 0.028″
  • Socket size – 5/8″ (16mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/ngk_pn/cr5hsb

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR6ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR6ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR5ES (NGK) / W16EPR-U (DENSO) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeBPR5ES (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR5ES

Owner´s manualhttp://cdn.powerequipment.honda.com

Spark plug (info from the User’s Manual)

  • TypeZFR5F (NGK) or equivalent
  • Gap – 0.028″– 0.031″
  • Socket size – 5/8″ (16mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/ZFR5F

Owner´s manualhttp://cdn.powerequipment.honda.com

Is your generator missing from the list?

Feel free to check out the Honda website in case you didn’t find your generator on this list.

Symptoms of a Bad Spark Plug

Are you thinking about replacing your current spark plug? There are some universal signs you need to look for:

  • Your generator won’t start at all
  • The generator needs repeated attempts to start properly
  • The generator misfires
  • Fuel consumption is noticeably increased
  • There are deposits and a buildup of residue on your spark plug
  • The spark plug is damaged

Are there any deposits? You need to remove the spark plug with a proper tool, clean it using a small knife and make sure that it is gapped properly. You can find the ideal gap size in the list above. For more tips and symptoms of a bad spark plug, read this article on the RepairClinic.com website.

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