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  • #1

    Oil Leak?

    My bike is an 1979 XS1100 special with a oil leak. Its hard for me to describe where the leak is so I will include some pictures of where it is. I was wondering if anyone else has had the same problem and what the fix was.

    This isnt my bike its just a picture off the internet so i can show where the leak is
    http://s1196.photobucket.com/albums/...nt=oilleak.jpg
    Last edited by JesseFaggioli; 03-27-2012, 01:53 PM.
    Tags: None
  • #2
    You mean there is oil coming out of the airbox? Presumablyfrom the drain hole in the middle of the bottom section?

    How much oil is coming out? What colour is it?
    XS1100F 1980 European model. Standard. Dyna coils. Iridium plugs. XS750 final drive (sometimes). Micron fork brace. Progressive front springs. Geezer regulator/rectifier. Stainless 4 into 2 exhaust. Auto CCT (Venturer 1300) SOLD. New project now on the go. 1980 European model.

    Comment

    • #3
      It looks to me like your are pointing to the bottom of the air box. It could be from a simple bit of oil coming from the breather because of an overfill or perhaps it's a combination of gas from the carbs combined with a little oil. Does it look like its coming from the bottom of the box? Is the breather connected properly at both ends? Hard to say without a picture of the actual situation.
      Can't beat the smell of gas & oil

      Comment

      • #4
        What you're pointing at means you have a fuel leak and not an oil leak. Your carburetors are flooding. Please verify.
        Marty (in Mississippi)
        XS1100SG
        XS650SK
        XS650SH
        XS650G
        XS6502F
        XS650E

        Comment

        • #5
          +1 on what Marty said. DON'T RIDE THE BIKE until you know what's up, as this usually results in fuel getting into the oil too. Oil with gas in it doesn't lubricate too well, and you can ruin the bearings (and the motor) if that's the case. Change the oil after you figure this out to be safe...
          Fast, Cheap, Reliable... Pick any two

          '78E original owner - resto project
          '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
          '82 XJ rebuild project
          '80SG restified, red SOLD
          '79F parts...
          '81H more parts...

          Other current bikes:
          '93 XL1200 Anniversary Sportster 85RWHP
          '86 XL883/1200 Chopper
          '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
          Cage: '13 Mustang GT/CS with a few 'custom' touches
          Yep, can't leave nuthin' alone...

          Comment

          • #6
            yes it is coming from the air box. This is the color of the oil coming out of it.
            http://s1196.photobucket.com/albums/...3-27144937.jpg

            Comment

            • #7
              It smells of gasoline, correct? You have a fouled airbox and the gasoline leaking into it is dissolving the mess. The fuel leak must be addressed first.

              Does it smell of gasoline?
              Marty (in Mississippi)
              XS1100SG
              XS650SK
              XS650SH
              XS650G
              XS6502F
              XS650E

              Comment

              • #8
                Have you checked your oil level? I see you're new, you do know that the bike has to be on the centerstand or level to get an accurate reading? If you checked and added oil while the bike was on the sideside, it will be overfilled badly and that could be your problem...
                Fast, Cheap, Reliable... Pick any two

                '78E original owner - resto project
                '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
                '82 XJ rebuild project
                '80SG restified, red SOLD
                '79F parts...
                '81H more parts...

                Other current bikes:
                '93 XL1200 Anniversary Sportster 85RWHP
                '86 XL883/1200 Chopper
                '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
                Cage: '13 Mustang GT/CS with a few 'custom' touches
                Yep, can't leave nuthin' alone...

                Comment

                • #9
                  Its in a shop right now to get a new tire and fork seals replaced. I will smell the leak and check the level on the center stand and post here again tomorrow.

                  Comment

                  • #10
                    Originally posted by JesseFaggioli View Post
                    Its in a shop right now to get a new tire and fork seals replaced. I will smell the leak and check the level on the center stand and post here again tomorrow.
                    Make sure the shop doesn't start the engine!
                    Nathan
                    KD9ARL

                    μολὼν λαβέ

                    1978 XS1100E
                    K&N Filter
                    #45 pilot Jet, #137.5 Main Jet
                    OEM Exhaust
                    ATK Fork Brace
                    LED Dash lights
                    Ammeter, Oil Pressure, Oil Temp, and Volt Meters
                    Green Monster Coils
                    SS Brake Lines
                    Vision 550 Auto Tensioner

                    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

                    Theodore Roosevelt

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                    • #11
                      so i figured out the problem and it is no longer leaking from the air box thanks for all the help

                      Comment

                      • #12
                        Originally posted by JesseFaggioli View Post
                        so i figured out the problem and it is no longer leaking from the air box thanks for all the help
                        Jesse, if you come on here, and ask for ideas, and get answers, it is polite to tell us how you fixed it.
                        Some of these guys keep a secret score.

                        CZ

                        Comment

                        • #13
                          I am a little embarrassed by this (this is my first bike) i left the fuelcocks on and that caused fuel to leak out of airbox and mix with oil that was leaking from broken seals. The seals have been replaced and there is no more leaks.

                          Comment

                          • #14
                            rebuild the petcocks

                            They are not supposed to leak regardless if Standard or Special.

                            I'd change the oil too. Fuel might be diluting your oil.

                            John
                            John is in an anonymous city with an Alamo (N29.519227,W-98.678980)

                            Go ahead, click on the bikes - you know you want to...the electrons are ready.
                            '81 XS1100H - "Enterprise"
                            Bob Jones Custom Navy bike: Tkat brace, EBC floating rotors & SS lines, ROX pivot risers, Geezer rectifier, new 3H3 engine

                            "Not all treasure is silver and gold"

                            Comment

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