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  • #1

    middle drive leak?

    it just started, bike on side stand, and it don't seem like motor oil,

    it is coming from the round chrome plate just above the gearshift and foot peg.

    it has 4 allen cap screws, 2 on the bottom side by side.

    what is the seal for this a gasket or o ring?

    if i open it up will the gear oil gush out?

    i tighten it up, one screw was looser than the others but nowhere being loose if you know what i mean., it did crack when i tightened it with an allen with a crescent wrench on it.


    help please and thanks very much.
    "a good man knows his limitations" dirty harry
    History
    85 Yamaha FJ 1100
    79 yamaha xs1100f
    03 honda cbr 600 f4
    91 yamaha fzr 600
    84 yamaha fj 1100
    82 yamaha seca 750
    87 yamaha fazer
    86 yamaha maxim x
    82 yamaha vision
    78 yamaha rd 400
    Tags: None
  • #2
    The cover you're talking about is called a "Cap, Housing", P/N: 2H7-17538-00-00



    The seal is called "Gasket, Housing Cap", P/N: 1J7-17519-Y0-00



    you can remove the cover without a tremendous oil dump, as it is above the level of the oil in the oil pan. However, oil is pumped through there while it's running. You might be able to fix it by removing the old gasket, and replacing it with some RTV.
    1980 XS850SG - Sold
    1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
    Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
    Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

    Whether you think you can, or you think you cannot - You're right.
    -H. Ford

    Comment

    • #3
      thanks

      where can i get the gasket? yamaha?
      "a good man knows his limitations" dirty harry
      History
      85 Yamaha FJ 1100
      79 yamaha xs1100f
      03 honda cbr 600 f4
      91 yamaha fzr 600
      84 yamaha fj 1100
      82 yamaha seca 750
      87 yamaha fazer
      86 yamaha maxim x
      82 yamaha vision
      78 yamaha rd 400

      Comment

      • #4
        This place has it for sale for $1.00. Not bad!
        1980 XS850SG - Sold
        1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
        Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
        Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

        Whether you think you can, or you think you cannot - You're right.
        -H. Ford

        Comment

        • #5
          Originally posted by CatatonicBug View Post
          This place has it for sale for $1.00. Not bad!
          + 5 s and h


          still not bad, at least it's not some other leak.
          i could take it apart and see how bad it really is i guess....
          "a good man knows his limitations" dirty harry
          History
          85 Yamaha FJ 1100
          79 yamaha xs1100f
          03 honda cbr 600 f4
          91 yamaha fzr 600
          84 yamaha fj 1100
          82 yamaha seca 750
          87 yamaha fazer
          86 yamaha maxim x
          82 yamaha vision
          78 yamaha rd 400

          Comment

          • #6
            cut one out of a waxed 1/2 gallon milk carton
            careful what you wish for.........you might get it

            Comment

            • #7
              cut one out of a waxed 1/2 gallon milk carton

              Or a roll of gasket material from the auto parts store.

              What I would check though, is to make sure that is where it's coming from. Kind of a stange place to develop a leak since there SHOULDN'T be any pressure there. Make sure it's not coming out from under the starter cover.. and could the breather tube be blocked/stopped up? (Big hose coming off the cap on the right rear of the engine..)


              Tod
              Try your hardest to be the kind of person your dog thinks you are.

              You can live to be 100, as long as you give up everything that would make you want to live to be 100!

              Current bikes:
              '06 Suzuki DR650
              *'82 XJ1100 with the 1179 kit. "Mad Maxim"
              '82 XJ1100 Completely stock fixer-upper
              '82 XJ1100 Bagger fixer-upper
              '82 XJ1100 Motor/frame and lots of boxes of parts
              '82 XJ1100 Parts bike
              '81 XS1100 Special
              '81 YZ250
              '80 XS850 Special
              '80 XR100
              *Crashed/Totalled, still own

              Comment

              • #8
                you are right, mea culpa, i left my aftermarket petcock on and it flooded the air cleaner and that stuff was air fliter oi, looks like i'll have to clean the filter and change the oil now....
                "a good man knows his limitations" dirty harry
                History
                85 Yamaha FJ 1100
                79 yamaha xs1100f
                03 honda cbr 600 f4
                91 yamaha fzr 600
                84 yamaha fj 1100
                82 yamaha seca 750
                87 yamaha fazer
                86 yamaha maxim x
                82 yamaha vision
                78 yamaha rd 400

                Comment

                • #9
                  If you're leaking middle drive fluid, should be easy enough to tell. Gear oil smells pretty funky.
                  2H7 (79) owned since '89
                  3H3 owned since '06

                  "If it ain't broke, modify it"

                  ☮

                  Comment

                  • #10
                    Originally posted by mason79 View Post
                    you are right, mea culpa, i left my aftermarket petcock on and it flooded the air cleaner and that stuff was air fliter oi, looks like i'll have to clean the filter and change the oil now....
                    And fix the leaky needle valve!
                    1980 XS850SG - Sold
                    1981 XS1100LH Midnight Special (Sold) - purchased 9/29/08
                    Fully Vetterized and Dynojet Kit added, Heated Grips, Truck-Lite LED headlight, Accel Coils, Irridium plugs, TKAT Fork Brace, XS850LH Final Drive & Black SS Brake lines from Chacal.
                    Here's my web page devoted to my bike! XS/XJ User's Manuals there, and the XJ1100 Service Manual and both XS1100 Service manuals (free download!).

                    Whether you think you can, or you think you cannot - You're right.
                    -H. Ford

                    Comment

                    • #11
                      you are right the gear oil is thicker, but it's been a while, i aint goin into those carbs again.... i aint got not time.... but the bike is runnin bitchin
                      "a good man knows his limitations" dirty harry
                      History
                      85 Yamaha FJ 1100
                      79 yamaha xs1100f
                      03 honda cbr 600 f4
                      91 yamaha fzr 600
                      84 yamaha fj 1100
                      82 yamaha seca 750
                      87 yamaha fazer
                      86 yamaha maxim x
                      82 yamaha vision
                      78 yamaha rd 400

                      Comment

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