spark plugs for ryobi generators

RYOBI Generators Spark Plug Gap & Socket Size Guide

Are you looking for a new spark plug for your RYOBI 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 & engines and we will help you as well.

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

RYOBI Generators

Spark plug (info from the User’s Manual)

  • TypeCMR6A (TORCH) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Alternatives https://www.sparkplug-crossreference.com/convert/NGK_PN/CMR6A

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

Official product pagehttps://www.ryobitools.com/products/details/46396019240

Spark plug (info from the User’s Manual)

  • TypeA7RTC (NHSP LD) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 5/8″ (16mm)

Alternatives https://www.sparkplug-crossreference.com/convert/ld/A7RTC

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

Official product pagehttps://www.ryobitools.com/products/details/46396490834

Spark plug (info from the User’s Manual)

  • TypeBPR7HS (NGK) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

Alternatives https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS

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

Official product pagehttps://www.ryobitools.com/products/details/46396027207

Spark plug (info from the User’s Manual)

  • TypeBPR7HS (NGK) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

DIY Videohttps://www.youtube.com/watch?v=DDmshsydQDY

Alternatives https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS

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

Official product pagehttps://www.ryobitools.com/products/details/46396017871

Spark plug (info from the User’s Manual)

  • TypeBPR7HS (NGK) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

DIY Videohttps://www.youtube.com/watch?v=j-xTmq4-KIY

Alternatives https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS

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

Official product pagehttps://www.ryobitools.com/products/details/46396025487

Spark plug (info from the User’s Manual)

  • TypeBPR7HS (NGK) or equivalent
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

DIY Videohttps://www.youtube.com/watch?v=j-xTmq4-KIY

Alternatives https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS

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

Official product pagehttps://www.ryobitools.com/products/details/46396019905

Spark plug (info from the User’s Manual)

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

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

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

Official product pagehttps://www.ryobitools.ca/products/details/3500-watt-portable-generator

Spark plug (info from the User’s Manual)

  • Type – LG F6RTC or equivalent (Manufacturing # 099930627 or 099930667)
  • Type – TORCH F7TC (Manufacturing # 099930628 or 095930628)
  • Gap – 0.024″– 0.028″ (0.6-0.7mm)
  • Socket size – 13/16″ (21mm)

Alternatives https://www.sparkplug-crossreference.com/convert/torch/F7TC

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

Official product pagehttps://www.ryobitools.com/products/details/46396024183

Spark plug (info from the User’s Manual)

  • TypeF7RTC (TORCH) or equivalent 
  • Gap – 0.028″– 0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

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

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

Official product pagehttps://www.ryobitools.com/products/details/46396018250

Spark plug (info from the User’s Manual)

  • TypeDJ168F-18500-A
  • Gap – 0.028″– 0.031″ (0.7-0.8mm)
  • Socket size – 13/16″ (21mm)

Alternatives https://www.sparkplug-crossreference.com/convert/torch/F7TC

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

Official product pagehttps://www.ryobitools.com/products/details/46396023483

Spark plug (info from the User’s Manual)

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

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

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

Official product pagehttps://www.ryobitools.com/products/details/46396015815

Is your generator missing from the list?

Feel free to check out the RYOBI 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.

Changing Spark Plug on Your Generator

Here is a quick overview of our 7-step guide to replacing the spark plug in your generator:

  1. Make sure the power switch on your generator is off and all power cords are unplugged from it. Also, ensure the surface of the machine is not too hot, and wear protective gloves and glasses.
  2. Locate the spark plug by following the black cable connected to the engine and ending with a boot.
  3. Remove the wire that is connected to the old spark plug by grabbing onto the boot firmly, twisting it, and pulling it off at the same time.
  4. Clean the area around the old plug to avoid any debris, dirt, or oil residue from falling into the engine.
  5. Remove the old plug using the correct spark plug socket and a ratchet. Use the ratchet only to make the spark plug loose and then remove it by turning the socket manually.
  6. Check the new spark plug for the correct model, size, and gap using a gap measuring tool.
  7. Install the new spark plug by inserting it into the empty spark plug socket and placing it into the empty socket on your engine. Tighten the spark plug with a ratchet, being careful not to overdo it, and remove both the ratchet and the spark plug socket.

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Matthew Gerther

Founder, Generator enthusiast

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