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  • #1

    Carbon Buildup Removal

    So I have my cylinder head off and some of the valves have a nice hard buildup of carbon on them. The tops of the pistons look pretty clean (there is even some writing on the crowns of three of them that I can see).

    What do you use to get rid of the carbon buildup?
    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
    Tags: None
  • #2
    If the valaves are out, squirt them with oven cleaner. Don't use it around aluminum, it will it the s*#t out of it. CZ

    Comment

    • #3
      Originally posted by CaptonZap View Post
      If the valaves are out, squirt them with oven cleaner. Don't use it around aluminum, it will it the s*#t out of it. CZ
      I used oven cleaner on my engine with no ill effects. OFC, my engine is painted black, but it worked quite nicely.
      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

      • #4
        Originally posted by CaptonZap View Post
        If the valaves are out, squirt them with oven cleaner. Don't use it around aluminum, it will it the s*#t out of it. CZ
        I have not pulled them out yet. Any suggestions on how to get them out without having a valve spring compressor?
        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

        Comment

        • #5
          Gasket remover will devolve carbon and won't eat aluminum like oven cleaner will.

          Geezer
          Hi my name is Tony and I'm a bikeoholic.

          The old gray biker ain't what he used to be.

          Comment

          • #6
            Originally posted by natemoen View Post
            I have not pulled them out yet. Any suggestions on how to get them out without having a valve spring compressor?
            They dont cost that much, as someone else told you.....get one.
            Trapped in time. Surrounded by evil. Low on gas.

            1980 XS1100G 1179 kit, Tkat brace, progressive springs & shocks, jardine spaghetti, Mikes coils, Geezer's rectifier

            Comment

            • #7
              Well I have to ask. Pretty much any valve spring compressor I have ever used or seen has either a straight jaw on top or a very very slight bend. How does it work with the springs recessed into the head like they are?
              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

              Comment

              • #8
                I have the second spring compressor down on this page and it works great.
                http://www.mikesxs.net/products-7.html?category_id=7.1

                Geezer
                Hi my name is Tony and I'm a bikeoholic.

                The old gray biker ain't what he used to be.

                Comment

                • #9
                  What I did was pour some seafoam in a tin cup and let my valves soak in it over night then brushed it off with a brass brush. If your valves are in you could turn the head upside down an fill each of the recessed areas with the seafoam and let it soak. (you will also find out if the valves ar sealing properly) there may be some other product that is cheaper to use.
                  Ty

                  78 XS1100E - Now in Minnesota
                  80 XS1100LG - The Punisher
                  82 XJ1100 - Current project - The Twins
                  82 XJ1100 - Wife's Bike - The Twins
                  82 XJ1100 - Daughter's Bike
                  72 Suzuki TS125 - Daughter's Bike
                  72 Yamaha Mini JT2 - Youngest Daughter's bike (She wants a bigger one now)

                  Comment

                  • #10
                    Originally posted by natemoen View Post
                    I have not pulled them out yet. Any suggestions on how to get them out without having a valve spring compressor?
                    You have the head off why not just take the cams off? It wouldn't take much to do at this point and you can save the money from the spring compressor and buy valve guides instead!
                    '79 XS11 F
                    Stock except K&N

                    '79 XS11 SF
                    Stock, no title.

                    '84 Chevy K-10 "Big Blue"
                    GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                    "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                    Comment

                    • #11
                      Originally posted by WMarshy View Post
                      You have the head off why not just take the cams off? It wouldn't take much to do at this point and you can save the money from the spring compressor and buy valve guides instead!
                      Cams are off
                      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

                      Comment

                      • #12
                        Sorry nate, I've never taken the valves out of the head so Im a little inexperienced. Origionally I was thinking the valves would just slide out then I remembered that something has to stop them from dropping into the cylinder. Probably has some type of clip eh, hence the need for the spring compressor.
                        Last edited by WMarshy; 08-06-2010, 03:09 PM.
                        '79 XS11 F
                        Stock except K&N

                        '79 XS11 SF
                        Stock, no title.

                        '84 Chevy K-10 "Big Blue"
                        GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                        "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                        Comment

                        • #13
                          Originally posted by WMarshy View Post
                          Sorry nate, I've never taken the valves out of the head so Im a little inexperienced. Origionally I was thinking the valves would just slide out then I remembered that something has to stop them from dropping into the cylinder. Probably has some type of clip eh, hence the need for the spring compressor.
                          You are correct about the clip!
                          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

                          Comment

                          • #14
                            You'll have to take back all those empties and fork out for a new spring compressor. You're welcome to use mine but the shipping would be the same cost for a new one.
                            BDF Special
                            80SG Vetter bagger 1196 Wiseco big bore kit, Mega Cycle Cams, slotted cam gears, ported and flowed head, bronze intake seats, Dyno Jet kit, Dyno coils and Mikes XS air pods, Venture cam chain adjuster,Geezer's regulator, Clutch mod, Mac 4 into 1 with custom built and tuned baffle, Oil cooler,MikesXS emulators mod.
                            Dyno tuned to 98 hp at the rear wheel.

                            Comment

                            • #15
                              Originally posted by tinman905 View Post
                              You'll have to take back all those empties and fork out for a new spring compressor. You're welcome to use mine but the shipping would be the same cost for a new one.
                              Yeah I ordered the one from MikesXS. I could not think of a way to get the retainer clips back on without it. Getting them off would not have been a problem.......
                              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

                              Comment

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