predator spark plugs for generators

Predator Generators Spark Plug Gap & Socket Size Guide

Are you looking for a new spark plug for your Predator 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 official manuals from Harbor Freight. We will show you the type of spark plug for specific models of Predator 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.

Predator Generators

Spark plug (info from the Owner’s Manual)

  • Type – A5RTC (Torch) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7 mm)
  • Socket size – 5/8″ (16mm)

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeE6RTC (LG)
  • Gap – 0.028″−0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeA5RTC (Torch) or equivalent
  • Gap – 0.023″– 0.027″ (0.6-0.7 mm)
  • Socket size – 5/8″ (16mm)

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – F7RTC (Torch) or equivalent
  • UpgradeBPR6EIX – NGK Iridium Spark Plug
  • Gap – 0.027″– 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

DIY Video – https://www.youtube.com/watch?v=nNtWTGmd6qI

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeF6TC (Torch) or equivalent
  • Gap – 0.027″– 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – F6TC (Torch) or equivalent
  • Gap – 0.027″– 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeF6RTC (Torch) or equivalent
  • Gap – 0.028″ – 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeF6RTC (Torch) or equivalent
  • Gap – 0.028″ – 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – F6TC (Torch) or equivalent
  • Gap – 0.028″– 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • TypeF6TC (Torch) or equivalent
  • Gap – 0.028″ – 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC

Owner´s manual – https://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – F6RTC (Torch) or equivalent
  • Gap – 0.028″ – 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

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

Owner´s manual – https://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – F6TC (Torch)
  • Gap – 0.028″ – 0.031″ (0.7-0.8 mm)
  • Socket size – 13/16″ (21mm)

Alternatives – https://www.sparkplug-crossreference.com/convert/torch/F6TC

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Spark plug (info from the Owner’s Manual)

  • Type – BPR6ES (NGK) or equivalent
  • Upgrade – BPR6EIX – NGK Iridium Spark Plug
  • 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

Owner´s manualhttps://manuals.harborfreight.com

Official product pagehttps://www.harborfreight.com

Is your generator missing from the list?

Feel free to check out the Harbor Freight 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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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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1 thought on “Predator Generators Spark Plug Gap & Socket Size Guide”

  1. I have a predator generator 1,600-2,000 it belongs to a friend and he said that it gets compreshion. And gets spark in not to sure if it gets gas but their is gas and oil in it

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