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  • #1

    oh great !

    I broke a cam chain tensioner the other day while almost home.bike started make noise.Coasted into the shop checked the tensioner the locking bolt stripped.Yamaha had on back order until end of aug so I did the Vmax mod.Every thing was looking good cams all set up ready to put it back together and test ride!Quick compression check and wallah!! 60lbs in #3 and 0lbs in #4.I'm guessing bent valves.I think I have enough parts to get it fixed I just hope I don't see any holes when I get in there.I'm getting ready to go out and pull the head now I just had to come in and have a cup of coffee and blow off steam for a minute or two.Thanks for listening Terry
    1980 special (Phyllis)
    1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod
    Tags: None
  • #2
    Good luck!!
    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

    • #3
      Bummer. Sorry to hear that Terry....hope its a simple swap and back on the road.


      Glad you got the ACCT now.

      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

      • #4
        Bent exhaust valve in 4,and ever so slightly intake and exhaust in 3.Had the valves but needed to run by Napa and pick up some valve grinding compound.Also 7-11 for some aaah beer.Looks like I lucked out.I should get back on the road tomorrow.
        1980 special (Phyllis)
        1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

        Comment

        • #5
          Glad to hear it wasn't too bad and that you don't have to wait for parts!
          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

          • #6
            That was a close one. Glad it was no more serious. I was gonna offer a spare head, but it would need a bunch of valves too. I'll let you know next time I'm headed your way.
            1980 XS 11 Special: The King of Kong, 9th wonder of the world. Pacifico fairing, chopped shield, Yamaha hard bags, Diamond seat, T-Kat fork brace, XJ top end, YICS Eliminator, '80 carbs from Spyder Cycle Works, K&N Air filter, Fuse block, stainless steel valves & reg/rect from Oregon MC Parts. Raptor CCT, XJ air shocks, 850 FD, Sportster mufflers, Standard handle bar, Tusk Bar Risers, SS braided brake lines. Cat Eye speedometer. HID projector beam headlight, LED running lights.

            Comment

            • #7
              OK sorry I took so long to report back but I had to watch grand kids on Sunday and work a Mon-Tue and didn't get any thing done.Just like Crazy Steve reported the Vmax is tighter !!.That is makes the cam chain tighter.Also you need to file or use Dremal tool to make the bolt holes closer together.I also had a harder time lining up the cam gears.I couldn't get as much advance on the intake cam as I wanted to appox 3 deg instead of the 5 I wanted but I noticed that it does idle a bit smoother and have a little smoother power band.But I seem to have lost a little bit of top end btwn 9 & 10 k.I'm out of valves now so if I bend any more I'll have to order a stainless steel set from geezer.Terry
              1980 special (Phyllis)
              1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

              Comment

              • #8
                You could do worse than putting in a set of Geezer's valves. I'm running a set of his on the intake side of my SG. It really lit up the low end. They are polished. Evidently this improves the flow. I popped a wheelie with mine the first trip across the driveway after the install. I was impressed.
                1980 XS 11 Special: The King of Kong, 9th wonder of the world. Pacifico fairing, chopped shield, Yamaha hard bags, Diamond seat, T-Kat fork brace, XJ top end, YICS Eliminator, '80 carbs from Spyder Cycle Works, K&N Air filter, Fuse block, stainless steel valves & reg/rect from Oregon MC Parts. Raptor CCT, XJ air shocks, 850 FD, Sportster mufflers, Standard handle bar, Tusk Bar Risers, SS braided brake lines. Cat Eye speedometer. HID projector beam headlight, LED running lights.

                Comment

                • #9
                  Originally posted by Poprock View Post
                  You could do worse than putting in a set of Geezer's valves. I'm running a set of his on the intake side of my SG. It really lit up the low end. They are polished. Evidently this improves the flow. I popped a wheelie with mine the first trip across the driveway after the install. I was impressed.
                  Hmmm good to know I've been debating weather to do the change out you may have helped me make up my mind.I'll decide this winter when I do my annual tear down.
                  Terry PS we are trying to plan a coast trip some time Sep 8 - 18 if I make it over I'll shoot you a pm.
                  Last edited by tw1980; 08-23-2012, 08:49 PM. Reason: sp
                  1980 special (Phyllis)
                  1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

                  Comment

                  • #10
                    Originally posted by tw1980 View Post
                    ...But I seem to havelost a little bit of top end btwn 9 & 10 k.I'm out of valves now so if I bend any more I'll have to order a stainless steel set from geezer.Terry
                    I would advise keeping the tack out of the red. The usable power beyond redline (8.5 k rpm FYI! ) usually drops off. The risk of engine damage increases the more you visit the red area...but Im sure you already know this. Glad to hear its back and running.
                    '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
                      I would advise keeping the tack out of the red. The usable power beyond redline (8.5 k rpm FYI! ) usually drops off. The risk of engine damage increases the more you visit the red area...but Im sure you already know this. Glad to hear its back and running.
                      The mega cycle cams give harder pull between 6.5 & 10 k But I agree I do run a greater risk of engine damage.If it happens we'll rebuild her again.But these engines are pretty tough I don't race this bike but I run her pretty darn hard at times.This is the first break down I have had and I think I could be blamed for over tightening the locking bolt on the cam chain tensioner and stripping the threads.I guess just one more reason why we love these bikes!!
                      1980 special (Phyllis)
                      1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

                      Comment

                      • #12
                        Hey Terry, give me a shout if you make it over this way.
                        1980 XS1100LG Midnight
                        1991 Honda CBR1000F Hurricane


                        "The hand is almost valueless at one end of the arm if there be not a brain at the other"

                        Here's to a long life and a happy one.
                        A quick death and an easy one.
                        A pretty girl and an honest one.
                        A cold beer and another one!

                        Comment

                        • #13
                          Originally posted by XS1100 Newbie View Post
                          Hey Terry, give me a shout if you make it over this way.
                          Will do Bob I haven't forgot I still owe you that beer.
                          1980 special (Phyllis)
                          1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

                          Comment

                          • #14
                            i am utterly amazed at the casual attitude some of you guys have towards tackling what, for me at least, would be a massive job. and i mean that in the most respectful way. replacing valves, heads, removing transmissions to monkey with the gears, pulling/rebuilding carbs at the drop of a hat you guys are tremendous and fearless mechanics and i salute you! i would sooner do my own dental work than remove my xs1100 engine and take it apart. my previous 1 and 2 cylinder engine rebuilds seem like kids play when compared to this bike. but i sure have learned some valuable tips that so far i've been able to do myself: new a.c.c.t, new fuse block, r.l.u. removal, headlight relay bypass, and new pulse unit wiring. thanks for posting this valuable stuff for the rest of us "newbies". here's hoping this is as complicated as i must get.

                            Comment

                            • #15
                              Thank you Mark I can only speak for myself but I enjoy working on and tinkering with these machines almost as much as riding them.The massive amount of info stored on this site also makes most projects go a bit smoother. Terry
                              1980 special (Phyllis)
                              1196 10.5 to 1 kit,megacycle cams,shaved head,dynojet carb kit,ported intake and exhaust,mac 4 into 1 exhaust,drilled rotors,ss brake lines,pods,mikes xs green coils,iridium plugs,led lights,throttle lock,progressive shocks,oil cooler,ajustable cam gears,HD valve springs,Vmax tensioner mod

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