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Spark plug socket size???

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  • #1

    Spark plug socket size???

    Could someone please help me? I can't seem to find a spark plug socket that will fit my 1990 Katana 600. I tried an 18mm spark plug socket but it is not working. Is this a special order part from Suzuki or is there another place to purchase one?

    I purchased my Katana 600 last year and it didn't come with a tool kit. Right now I am in the process of getting it cleaned up and changing a leaky valve cover gasket.

    Any help would be appreciated.

    Thanks,

    Doug Campbell
    Tags: None
  • #2
    could be 19mm, 3/4 " or 5/8"
    TDA Racing/Motorsports
    1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
    Who knows what is next?
    Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
    Please look at this build! http://katriders.com/vb/showthread.php?t=91192

    Comment

    • #3
      Go buy the new spark plugs. Then pop by sears and buy the right socket based on the plug itself... can't go wrong that way.

      Or you could do the other way -- visit www.ngksparkplugs.com and look up the PDF cross-reference chart on how to read plugs. It will tell you the plug size, the tool size, etc., among other things.

      Cheers
      =-= The CyberPoet
      Remember The CyberPoet

      Comment

      • #4
        I am betting your socket set jumps from 18mm to 20mm. At least mine was like that. Or I think it was the 19 that was missing. All I know is that I have like half a dozen sockets sets and each one seems to skip one size for some stupid reason.
        Cyber has the best answer though.
        I don't have a short temper. I just have a quick reaction to bullshit.




        Comment

        • #5
          Originally posted by Mojoe
          I am betting your socket set jumps from 18mm to 20mm. At least mine was like that. Or I think it was the 19 that was missing. All I know is that I have like half a dozen sockets sets and each one seems to skip one size for some stupid reason.
          Cyber has the best answer though.
          19mm and 3/4" are damn near the same so if you have a 3/4" spark plug socket then it should work.
          TDA Racing/Motorsports
          1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
          Who knows what is next?
          Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
          Please look at this build! http://katriders.com/vb/showthread.php?t=91192

          Comment

          • #6
            Thanks a lot for your help.

            I'm heading to Sears tonight.

            Comment

            • #7
              You'll need to find a thin-walled socket , as a standard "good" socket won't fit down in there . Look for a "cheapy" . And I THOUGHT it was a 17mm , but it HAS been a while since I've checked . Yeah , use a new plug for a size reference .
              I am a fluffy lil cuddly lovable bunny , dammit !



              Katrider's rally 2011 - md86

              Comment

              • #8
                Originally posted by md86
                You'll need to find a thin-walled socket , as a standard "good" socket won't fit down in there . Look for a "cheapy" . And I THOUGHT it was a 17mm , but it HAS been a while since I've checked . Yeah , use a new plug for a size reference .
                I think the old plugs used in the pre-96 (yes, 96) bikes are 19mm and the later ones are 17mm... In the bike's factory tool-kit should be an appropriate tube-style tube with holes on one end to put a screwdriver through for leverage.
                Meanwhile, MD86 is correct -- you need a thin-walled, deep socket for this to work; the standard socket is normally to broad on the outside to fit down into the recess for the plug. And if they offer a socket with a rubberized bottom (to help hold the plug in place when putting the new ones in and taking the old ones out), get it

                Cheers
                =-= The CyberPoet
                Remember The CyberPoet

                Comment

                • #9
                  Mine are 19mm (95 750)
                  I used a standard socket.
                  The plugs in my bike are fat..
                  I don't think "good" plug sockets acount for that,
                  like Md86 stated..
                  It drove me nuts for a while digging for sockets.
                  (I tend to only keep commonly used sockets handy)

                  Comment

                  • #10
                    The pre 96 are definitely 19mm, I had to go buy a 19mm plug socket so I could put plugs in the 771. The 97 and up are 17mm because I had that plug socket.

                    Comment

                    • #11
                      If the plugs are stock NGK, sockets should be:

                      88-95 600 (DR8ES) - 18 mm
                      96-97 600 (CR9EK) - 5/8" (~16 mm)
                      89-97 750 (JR9C) - 18 mm

                      No idea for 98+. The 18 mm worked fine on my 88 600...
                      - Samuel

                      My 1988 Katana 600

                      Comment

                      • #12
                        18mm thin walled socket for my 91 750, NGK JR9C's to be exact, yellow is correct. i use a thin pin-like magnet scope thing to put them back in since i don't have the rubberized bottom. the magnet gets them in place and turns them just enough to get the threads started correctly....


                        "If you ain't first, you're last..." - Ricky Bobby
                        "Your stuck on an anger bridge man, you gotta cross the anger bridge and come back to the friendship shore..." - Magic Man

                        Comment

                        • #13
                          Got mine at advanced auto for like $3. Drove me crazy because I checked the fit on the plug first and when I went to tighten it down I couldn't get the socket in place. The cool thing is the cheap one has a red line around it so I can find it quick.
                          92 Katana 600 Project bike
                          Some assembly required is my middle name!!!

                          Comment

                          • #14
                            http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=73691&group_ID=19397&store=snapon-store&dir=catalog
                            TDA Racing/Motorsports
                            1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
                            Who knows what is next?
                            Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
                            Please look at this build! http://katriders.com/vb/showthread.php?t=91192

                            Comment

                            • #15
                              Originally posted by THAZKAT
                              http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=73691&group_ID=1939 7&store=snapon-store&dir=catalog
                              $137.90 for four pieces of metal under 7" long and a 79 cent plug-gapper? Are you on drugs? For something that cost about $10 to make in good metals and $5 in cheap metals?
                              Seriously, though, aside from the fact that they will finance their increadibly over-inflated prices on a revolving-credit account, and the fact that they come out to the job-site, there is no reason in hell's green acre I would buy snap-on for any tool I could find elsewhere (Craftsman, etc). I own one snap-on tool: a thin-wall 7mm 1/4 drive socket with an integrated universal joint -- it was the only solution I could find to some specific issue I ran into in the past once (I think it had to do with a lightswitch for a previous bike).

                              Cheers
                              =-= The CyberPoet
                              Remember The CyberPoet

                              Comment

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