spark plugs for generac generators

Champion Generators Spark Plug Gap & Socket Size Guide

Are you looking for a new spark plug for your Champion generator but have no idea how to choose one? I have great news for you! Our team here at Generatorist has helped over 600,000 visitors find information about generators and we will help you as well.

Data for this page is based on the official manuals from Champion. We will show you the type of spark plug for specific models of Champion 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.

Champion Generators

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR6HS (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100403-1200-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR6HS (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/42432-1400-watt-portable-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR6HS (NGK) or equivalent
  • Gap – 0.024″-0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100306-2000-watt-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR5HS (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100900-2000-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – A5RTC (TORCH)
  • Replacement type – CR6HSA (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 11/16″ (17mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/A5RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201047-2400-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR5HS (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200951-2500-watt-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – E6RTC (NHSP)
  • Replacement type – BPR5HS (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/E6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200962-2500-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F7RTC (NHSP)
  • Replacement type – BPR7ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F7RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200962-2500-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100100-3250-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100222-3400-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100233-3400-watt-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F7RTC (NHSP)
  • Replacement type – BPR7ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F7RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100263-3400-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Video – https://www.youtube.com/watch?v=Te0lnYy8wbQ

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/46597-3500-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Video – https://www.youtube.com/watch?v=Te0lnYy8wbQ

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100262-3500-watt-wireless-start-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F7RTC (NHSP)
  • Replacement type – BPR7ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Video – https://www.youtube.com/watch?v=Te0lnYy8wbQ

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F7RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100264-3500-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100406-3550-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100331-3650-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200972-3650-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201052-3800-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200921-4000-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100302-4000-watt-digital-hybrid-open-frame-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100574-4000-watt-dual-fuel-open-frame-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201056-4250-watt-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200977-4250-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 11/16″ (17mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200991-4500-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200992-4650-watt-inverter-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 11/16″ (17mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200994-4650-watt-dual-fuel-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100496-5000-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100452-5500-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201001-5500-watt-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100231-5500-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201033-6000-watt-portable-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100519-6250-watt-open-frame-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100592-6250-watt-dual-fuel-generator-with-co-shield/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100462-6500-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100320-6500-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100248-7200-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100814-7500-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100891-7500-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201062-8000-watt-dual-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F7RTC (NHSP)
  • Replacement type – BPR7ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F7RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100416-8000-watt-tri-fuel-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.024″-0.031″ (0.6-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/201083-8500-watt-dual-fuel-electric-start-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100520-8750-watt-open-frame-inverter/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100637-9000-watt-generator-with-co-shield/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100110-9200-watt-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/200929-9500-watt-remote-start-generator/

Spark plug (info from the Owner’s Manual)

  • OEM type – F6RTC (NHSP)
  • Replacement type – BPR6ES (NGK) or equivalent
  • Gap – 0.028″-0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/nhsp/F6RTC

Owner´s manual – https://www.championpowerequipment.com

Official product page – https://www.championpowerequipment.com/product/100111-12000-watt-generator/

Is your generator missing from the list?

Feel free to check out the Champion 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. 

Further resources:

About Generatorist

Matthew Gerther

Founder, Generator enthusiast

Our aim here at the Generatorist is to become the No. 1 resource for all things related to generators & your power needs. We have helped over 600,000 visitors with our tips, articles and reviews and we will help you as well.

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