I thought all spark plugs were 5/8" or 13/16". Trying to work on my atv and finally figured out it was 18mm. is that common? i cant seem to find a specific spark plug socket in an 18mm. what all sizes are out there?
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I thought all spark plugs were 5/8" or 13/16". Trying to work on my atv and finally figured out it was 18mm. is that common? i cant seem to find a specific spark plug socket in an 18mm. what all sizes are out there?
Knowledgeable Member
Yup many different sized. Sounds like a Yamaha? Just get a set of spark plug sockets or any set of deep sockets will work. Usually though the kit under the seat has on in it.
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its a honda rancher 4x4. so they can come in any size? think ive heard of 14mm too. 5/8, 13/16,14mm, and 18mm or even more sizes?Originally Posted by lovbyts
Knowledgeable Member
surprisingly yes I think so, you just need to always be prepaired with the right one for what you are riding. I always keep the stock tool under the seat and a NEW spare plug in case I drown it in water and it gets fouled.
AR's Mass Monster
Can find out 100% for you monday! My Brother works on Small Engines , he ownes a Repair . Machine shop! Bu I would Say from Experiencs that is why most of the companies give you a tool kit with a Plug Wrench in that way you have the correct size!
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Thanks. Yea i bought this used and got no wrench or manuals with it. its a pain, they got manuals online but the cheapest are $29. so im just figuring stuff out on my own. if you could ask your bro what oil type too id appreciate it. im thinking 5w-20
Grateful
I use 10w40 myself.
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Ok found out there are 4 sizes: 5/8, 13/16, 3/4, and 18mm. it makes sense now. Also got a guy to lookup the oil i need and it was 5w-30.
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