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  • #1

    Motion Pro

    I have read a few threads regarding the motion pro tool.
    some love em, some do not.
    I am thinking that people who love them have an older XS.
    and the people who do not, have an 81 XS

    I am thinking this tool does not work on the 81 XS.
    Steven


    1981 XS 1100 LH
    1979 XS 1100 SF
    Tags: None
  • #2
    Tools are unique to the individual. Some hate certain ones, while others revere them.
    I myself have never tried the valve shim tool, so I can't say either way, but I've had okay success with the cam removal method and others here have as well. We've gotten used to doing it that way and probably will never use the tool.

    I have read that some of these had to slightly modified to fit.
    Hi, my name is George & I'm a twisty addict!

    80G (Green paint(PO idea))
    The Green Monster
    K&N A/F, TC's fuse block, '81 oil cooler, TC's homemade 4-2 w/Mac Mufflers, Raptor 660 ACCT
    Got him in '04.
    bald tire & borrowing parts

    80SG (Black w/red emblems & calipers)
    Scarlet
    K&N A/F, TC's fuse block, WJ5, Shoei bags, Raptor 660 ACCT.
    Got her in '11
    Ready for the twisties!

    81H (previously CPMaynard's)
    Hugo
    Full Venturer, Indigo Blue with B/W painted tank.
    Cold weather ride

    Comment

    • #3
      yes you would have to grind away quite a bit of the tool to clear the cam.

      additionally, I am wondering what the harm is in turning the engine counter-clockwise???

      for the intakes, you can turn the engine clockwise with the tool in place.
      but for the exhausts, you would have to turn the engine CCW to get at the shim.
      Steven


      1981 XS 1100 LH
      1979 XS 1100 SF

      Comment

      • #4
        Originally posted by Gallaecus View Post
        I have read a few threads regarding the motion pro tool.
        some love em, some do not.
        I am thinking that people who love them have an older XS.
        and the people who do not, have an 81 XS

        I am thinking this tool does not work on the 81 XS.
        Same motor in all the xs1100 series, including the XJ(Maxim)......and same head. Only internal differences is the valve sizes/cam profiles.
        81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

        Comment

        • #5
          Originally posted by motoman View Post
          Same motor in all the xs1100 series, including the XJ(Maxim)......and same head. Only internal differences is the valve sizes/cam profiles.
          Not true.... While the bottom end/trans is the same for all XS/XJ motors, there's three distinct cylinder heads and two types of cylinders.
          http://www.xs11.com/forum/showthread.php?t=36652
          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
            Originally posted by motoman View Post
            Same motor in all the xs1100 series, including the XJ(Maxim)......and same head. Only internal differences is the valve sizes/cam profiles.
            cam profiles would have a huge difference in that tool working.

            what harm can be done by turning the engine CCW ?
            Steven


            1981 XS 1100 LH
            1979 XS 1100 SF

            Comment

            • #7
              I like em and use them on all of my bikes. I noticed no difference when using it on my 81 LH. I have two here and one is slighty different than the other, but both work fine. Neither one has been ground at all. We covered this all including a bunch of photos in a previous thread but I can not think of it right now.
              Maybe a poll is in order to see if there is any validity to the theory about earlier vs later engines on these. It would have to be a separate poll from who likes/dislikes them though, as that would drive the thread into a non meaning argument as so many have differing opinions on them.
              2-79 XS1100 SF
              2-78 XS1100 E Best bike Ever
              80 XS 1100 SG Big bore kit but not fully running yet.
              Couple of more parts bikes of which 2 more will live!

              Comment

              • #8
                Originally posted by Gallaecus View Post
                cam profiles would have a huge difference in that tool working.

                what harm can be done by turning the engine CCW ?
                Cam profile is not a factor in using the motion pro tool. The root diameter of the cams are the same for all models.

                No harm in turning the motor CCW, if your using the tool properly you have to turn it CCW to remove the shim after you install the tool. You just have to go slow and realize thee starter clutch will drag a little provide some resistance.

                The best tutorial I found came from the XJ owner site. Someone posted a link to their site, I highly recommend it to anyone using the tool.

                Also, the tool dosent require a lot of modification...10 mins with a chainsaw file and it works better then without it...
                '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

                • #9
                  I am learning how to service engines and am inexperienced with engine work but was able to replace valve shims on a 1981 very easily with the Motion Pro tool. I also changed out the shims on my 1979. The tool works great and I cannot figure out why experienced people cannot use this tool.
                  81H Venture - hope to ride summer 2013
                  79F Cafe Racer at Some Point;
                  68 CB175 Sloper - Cafe Racer
                  74 KZ400 - Restoration project nightmare
                  62 BSA Super Rocket - In Pieces
                  72 CB100 Super Sport - Not super or sporty but fun

                  Comment

                  • #10
                    Originally posted by mmatches1 View Post
                    The tool works great and I cannot figure out why experienced people cannot use this tool.
                    Because the MotionPro tool is made by sand casting, and not all the castings are the same (not-so-good quality control). Some fit great as-is, some need mods to fit right....
                    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

                    • #11
                      I guess I was lucky and purchased a good one. I find it strange that quality control at Motion pro is so poor. Has anyone contacted them to complain?
                      81H Venture - hope to ride summer 2013
                      79F Cafe Racer at Some Point;
                      68 CB175 Sloper - Cafe Racer
                      74 KZ400 - Restoration project nightmare
                      62 BSA Super Rocket - In Pieces
                      72 CB100 Super Sport - Not super or sporty but fun

                      Comment

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