XJ1100 J Carb Kits

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  • DenyP
    XSive Maximus
    • May 2008
    • 599
    • Staples, Minnesota 56479
    #1

    XJ1100 J Carb Kits

    I've a new project. My Nephew just purchased an '83 XJ1100 J. It hasn't been run for a couple years, and as you would expect, the float valve(s) are leaking. Anyone have a source for K&L carb kits for this mod. So far all I have found are "Po Boy Kits - needle valve and bowl gasket. If anyone has a Yamaha or Climers manual ya want to sell, please PM me.

    Deny
    1978 XS1100E - The TimeMachine
    1980 XS850 Special - Little Mo
    Tags: None
    • dbeardslee
      XS-XJ Super Guru
      • Nov 2007
      • 4385
      • Maineville, OH
      #2
      I checked the yamaha fiche, and they don't show an '83 XJ1100 J. They show an '82 XJ1100 J, though. I don't know for sure, but they look pretty much like the 81 XS carbs, with slightly different jets. You might be able to get georgefix to put some kits together for you with the appropriate size jets. JAT
      I think I have a loose screw behind the handlebars.

      '79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines

        Comment

        • DenyP
          XSive Maximus
          • May 2008
          • 599
          • Staples, Minnesota 56479
          #3
          Originally posted by dbeardslee
          I checked the yamaha fiche, and they don't show an '83 XJ1100 J. They show an '82 XJ1100 J, though. I don't know for sure, but they look pretty much like the 81 XS carbs, with slightly different jets. You might be able to get georgefix to put some kits together for you with the appropriate size jets. JAT
          Hey, Good to know. I will pull the vin to verify b/4 I proceed!

          Thanx

          Deny
          1978 XS1100E - The TimeMachine
          1980 XS850 Special - Little Mo

            Comment

            • XJOK2PLAY
              XS-XJ Guru
              • Jan 2009
              • 2099
              • Skiatook, Ok.
              #4
              Hi, DenyP...

              If indeed it is an '83, it would have to be a Canadian built version.
              They made them in '83, & '84 as well.

              If it's an American version... it'll be an '82.

              There's been a lot of discussion as of late about carb kits, Dynojet kits... etc.
              So you should be able to find some answers... & sources.
              Take care.
              Bob
              '82 XJ1100J Maxim (has been sold.)

              '79 F "Time Machine"... oh yeah, Baby.... (Sold back to Maximan)

              2011 Kaw Concours 14 ABS

              In the warden's words from Cool Hand Luke;
              "What we have here is a failure to communicate."

                Comment

                • DenyP
                  XSive Maximus
                  • May 2008
                  • 599
                  • Staples, Minnesota 56479
                  #5
                  The bike is in fact an '82. It might seem lame that I am asking for a source for XJ carb kits, but I have in fact spent several hours looking. George fix said he couldn't help me.

                  Thanks

                  Deny
                  1978 XS1100E - The TimeMachine
                  1980 XS850 Special - Little Mo

                    Comment

                    • dbeardslee
                      XS-XJ Super Guru
                      • Nov 2007
                      • 4385
                      • Maineville, OH
                      #6
                      What parts do you specifically want to replace? The basic kits with the viton tipped needles and gaskets are probably all you really need. With the 'rubber' tip, the needle deforms a bit, but the seat should still be fine. The rest of the parts can usually be cleaned and returned to service. Every now and then you hear about a member that has trouble getting a jet out, and winds up breaking them. Should you run into that kind of a problem, the jets are easy enough to find. Less expensive that way, too.

                      By the way, I don't think it's lame at all. I did some looking too, and kits for that XJ's in general aren't exactly growing on trees.
                      Last edited by dbeardslee; 05-14-2010, 06:19 PM.
                      I think I have a loose screw behind the handlebars.

                      '79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines

                        Comment

                        • DGXSER
                          Doctor of XSology(Deceased)
                          • Nov 2008
                          • 12001
                          • Cincinnati, Ohio
                          #7
                          IIRC, and I am sure one of the XJ owners will correct me if I am wrong, the XJ carbs are no different than the 80-81 XS carbs. The jetting I think might be different, but the jets, float needle seats and valves and the mix screw are the same. That is what comes in the 81 carb kits from George Fix. So I am pretty sure you can order the 81 carb kits and use them on your XJ.
                          Life is what happens while your planning everything else!

                          When your work speaks for itself, don't interrupt.

                          81 XS1100 Special - Humpty Dumpty
                          80 XS1100 Special - Project Resurrection


                          Previously owned
                          93 GSX600F
                          80 XS1100 Special - Ruby
                          81 XS1100 Special
                          81 CB750 C
                          80 CB750 C
                          78 XS750

                            Comment

                            • SFerinTEXAS
                              XSive Maximus
                              • Jun 2006
                              • 876
                              #8
                              The carb kit obsession . I bought a spare set of xj carbs for my XJ restore off Ebay. Looked really nice . The carbs on the bike were completely frozen, slides,jets plugged etc. After a few years of gunk and berryman gallon approach of cleaning I went and got the yamaha carb cleaner that mixes with gasoline. Am running the original carbs and did not buy a single part. Just replace what you need. save your money

                              Not meaning a few years on these carbs.

                              Remember the HOW MANY DO YOU OWN POLL. I did not participate
                              Last edited by SFerinTEXAS; 05-14-2010, 11:29 PM.
                              79SF
                              XJ11
                              78E

                                Comment

                                • bikerphil
                                  Master of XSology
                                  • Jan 2008
                                  • 8636
                                  • South Flori-DUH
                                  #9
                                  Yep, you probably won't need anything more than needle/float valve/o ring and possibly bowl gaskets. IIRC, same as the 81 Special. XJ uses a 47.5 pilot pretty sure.
                                  2H7 (79) owned since '89
                                  3H3 owned since '06

                                  "If it ain't broke, modify it"

                                  โ˜ฎ

                                    Comment

                                    • DenyP
                                      XSive Maximus
                                      • May 2008
                                      • 599
                                      • Staples, Minnesota 56479
                                      #10
                                      Thanks to all of you for your input and advice. I will order the po mans kit and run all the jets etc through the carb cleaner. My reasoning in looking for complete kits - I would have everything I might need so there would not be any interruption or delays. You have convinced me!

                                      Thanks

                                      Deny
                                      1978 XS1100E - The TimeMachine
                                      1980 XS850 Special - Little Mo

                                        Comment

                                        • XJOK2PLAY
                                          XS-XJ Guru
                                          • Jan 2009
                                          • 2099
                                          • Skiatook, Ok.
                                          #11
                                          DenyP,

                                          Here's the stats on the '82 XJ1100J carbs:

                                          Mikuni BS-34 II

                                          Main Jet - 112.5

                                          Pilot Jet - 47.5

                                          Start Jet - 25

                                          Main Air - 140

                                          Pilot Air - 170

                                          NO THROTTLE VALVE.

                                          HTH's ya.
                                          Bob
                                          '82 XJ1100J Maxim (has been sold.)

                                          '79 F "Time Machine"... oh yeah, Baby.... (Sold back to Maximan)

                                          2011 Kaw Concours 14 ABS

                                          In the warden's words from Cool Hand Luke;
                                          "What we have here is a failure to communicate."

                                            Comment

                                            • DenyP
                                              XSive Maximus
                                              • May 2008
                                              • 599
                                              • Staples, Minnesota 56479
                                              #12
                                              Originally posted by XJOK2PLAY
                                              DenyP,

                                              Here's the stats on the '82 XJ1100J carbs:

                                              Mikuni BS-34 II

                                              Main Jet - 112.5

                                              Pilot Jet - 47.5

                                              Start Jet - 25

                                              Main Air - 140

                                              Pilot Air - 170

                                              NO THROTTLE VALVE.

                                              HTH's ya.
                                              Bob
                                              Bob,
                                              Thanks for the detail!

                                              Deny
                                              1978 XS1100E - The TimeMachine
                                              1980 XS850 Special - Little Mo

                                                Comment

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