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)
- Type – CMR6A (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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396019240
Spark plug (info from the User’s Manual)
- Type – A7RTC (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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396490834
Spark plug (info from the User’s Manual)
- Type – BPR7HS (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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396027207
Spark plug (info from the User’s Manual)
- Type – BPR7HS (NGK) or equivalent
- Gap – 0.024″– 0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
DIY Video – https://www.youtube.com/watch?v=DDmshsydQDY
Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS
Owner´s manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396017871
Spark plug (info from the User’s Manual)
- Type – BPR7HS (NGK) or equivalent
- Gap – 0.024″– 0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
DIY Video – https://www.youtube.com/watch?v=j-xTmq4-KIY
Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS
Owner´s manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396025487
Spark plug (info from the User’s Manual)
- Type – BPR7HS (NGK) or equivalent
- Gap – 0.024″– 0.028″ (0.6-0.7mm)
- Socket size – 13/16″ (21mm)
DIY Video – https://www.youtube.com/watch?v=j-xTmq4-KIY
Alternatives – https://www.sparkplug-crossreference.com/convert/NGK_PN/BPR7HS
Owner´s manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396019905
Spark plug (info from the User’s Manual)
- Type – F6RTC (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 manual – https://manuals.ttigroupna.com
Official product page – https://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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396024183
Spark plug (info from the User’s Manual)
- Type – F7RTC (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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396018250
Spark plug (info from the User’s Manual)
- Type – DJ168F-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 manual – https://manuals.ttigroupna.com
Official product page – https://www.ryobitools.com/products/details/46396023483
Spark plug (info from the User’s Manual)
- Type – F6RTC (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 manual – https://manuals.ttigroupna.com
Official product page – https://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. For more tips and symptoms of a bad spark plug, read this article on the RepairClinic.com website.
Further resources:
- Choosing the Best Spark Plug for Your Generator
- Honda Generators Spark Plug Gap & Socket Size Guide
- Honda Engines Spark Plug Gap & Socket Size Guide
- Predator Generators Spark Plug Gap & Socket Size Guide
- How to Change Spark Plug on Your Generator
- Choosing the Best Oil for Your Generator
- How to Store Your Portable Generator
- How to Easily Tune Up Your Generator
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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