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  • #1

    Carb diaphragms

    Got two sets of carbs with my recent purchase. Am in the process of cleaning them and was curious if anyone has any suggestions re: cleaning up the diaphragms. They seem to be in pretty good shape but I want to "lube" them a little to keep them from getting brittle.

    Appreciate the great help I get from this forum.
    1995 KZ100P
    Pods, jets, pipes, cam adjuster, oil cooler

    1977 Ironhead - custom build
    Hot engine, custom frame, KZ front and rear, high torque starter, alternator conversion, Progressive shocks, Thunderheart wiring, Dyna ignition, oil cooler, Dakota Digital instruments, etc.

    Sold all my XS's to Eastcoaster but still love to keep up with you guys. This is the best cycle forum on the web.
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  • #2
    Could rub them down with vasaline.
    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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    • #3
      I use spray silicon on them. I seams to work very well and returns some flexibility.
      '81 XS1100 SH

      Melted to the ground during The Valley Fire

      Sep. 12th 2015

      RIP

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      • #4
        Ive read around here not to put anything on them.
        I imagine hot, soapy water would work, but be careful to dry it well. I used alcohol on a paper towel and very lightly rubbed them clean, but that probably wasnt the best thing to do.
        79 Special
        2012 FJR1300
        78 E (project. Clutch problems from PO) Must sell

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        • #5
          Originally posted by Redshirt View Post
          Ive read around here not to put anything on them.
          I imagine hot, soapy water would work, but be careful to dry it well. I used alcohol on a paper towel and very lightly rubbed them clean, but that probably wasnt the best thing to do.
          No, alcohol is not good for rubber. I would recommend the silicon spray, as that stuff will often revitalize the rubber somewhat. I used to get stuff that we used on the rubber rollers of printers that was called "rubber revitalizer" that removed ink and dirt and paper crap from the rubber and made it nice and soft and sticky again (not tacky, just so it would properly grip the paper like when new), but I haven't seen that stuff in years.
          Cy

          1980 XS1100G (Brutus) w/81H Engine
          Duplicolor Mirage Paint Job (Purple/Green)
          Vetter Windjammer IV
          Vetter hard bags & Trunk
          OEM Luggage Rack
          Jardine Spaghetti 4-2 exhaust system
          Spade Fuse Box
          Turn Signal Auto Cancel Mod
          750 FD Mod
          TC Spin on Oil Filter Adapter (temp removed)
          XJ1100 Front Footpegs
          XJ1100 Shocks

          I was always taught to respect my elders, but it keeps getting harder to find one.

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          • #6
            Baby powder

            I have been putting baby powder on mine for years and they are original and still like new. I picked this tip up from the manual that I had with an old MGB my wife used to drive.

            MGB, now talk about a piece of engineering C$@p!
            Mike Giroir
            79 XS-1100 Special

            Once you un-can a can of worms, the only way to re-can them is with a bigger can.

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            • #7
              ky jelly works great
              careful what you wish for.........you might get it

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