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  • All the tech tips worked!

    Hi.

    Finally making a post to the website after 2 years of trolling through the forums while I was fixing up an old Australian 81 XS1100.

    Here are some photos. Story follows below with a tech tip.




    Bought the bike off a friend about 2 years ago when it had 75,000 k's on the clock and he threw in a heap of spares - filled a crate with a mix of 1100 and 1.1 version of parts. It came with the 4 into 1 exhaust.

    The bike started life as Queensland Police special, that's why it has a white speedo. Even still has the switches for the siren and lights on the starter button assembley. Adds to the bike's history so I feel obliged to leave them.

    When I bought it was blue. But I resprayed it about a year ago and tried to get it back to an original cardinal red with gold pinstriping version. Did all the work myself. Went to a local decal business and they did the Yamaha and 1.1 decals. I'm keeping the original badges in my filing cabinet as I don't want to lose them.

    With the hot weather in Queensland I sandblasted the paint off the barrels (not easy to do!) to make it run a bit cooler and given I commute each day in traffic. Hence the luggage rack.

    About 10 months ago an unlicensed car driver ran into the back of me at a stop sign. Along with the trip to the hospital, I got a new front faring out of the accident thanks to insurance. There's always a bright side.

    Anyway, the point I really want to make is that I have followed the techtips (and they do work!).

    These include replacing the coil leads, numerous electrical fixes (eg. replaced the fuse box with a more modern one) and all the maintenance tips.

    One little anoying problem for some time has been a low end stumble under 3,000 RPM.

    After much investigation, fine tuning of carbs and thinking, I reckoned due to old age the carby slides (diaphram assembly) were not all coming up and down together at the same time. These don't get lubricated with fuel and are dry.

    I didn't feel like pulling it all apart again, so I took off the aircleaner and sprayed some aerosol spray lubricant (RP7) into the carby throats.

    The bike now runs smoother than my friends new fuel injected FJR1300 - I'm not joking! Low end stumble competely gone has has been for about 2 months.

    Anyway, I think the occasional spray of RP7 or carby cleaner into the carby throats is one you could try.

    I have got it up to 100mph (got there very quickly too) and everything got a bit too blurry for my liking. Must be getting old.

    Couldn't have got this far without all of the advice on this website.

    Cheers

    Russell
    It ain't over until there's dirt on the box

  • #2
    Man... that's one clean lookin' machine! Nice job!
    (carb slides can stick due to gummy fuel-varnish build up.)
    "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

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    • #3
      Man... that's one clean lookin' machine! Nice job!

      DOWN-Under statement

      Dam near looks like it belongs on a dealers floor as a new model from the factory

      Great pics.


      mro

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      • #4
        It looks great,
        I like the seat , and the fairing looks cool too.
        And I like how clean it looks aswell.
        Nice going....
        1979 xs1100sf
        1972 cb500 four

        Comment


        • #5
          A well done job to be proud of !
          Ride hard !
          Don 79sf

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          • #6
            I'm wondering if there's something different with that model XS as far as the charging system goes. How to get enough 'juice' to run lights and siren? Just a pair of 55watt foglights does my bike in after 15 minutes so riding.
            I have a photo of a NZ XS1100 in full police trim
            Pat Kelly
            <p-lkelly@sbcglobal.net>

            1978 XS1100E (The Force)
            1980 XS1100LG (The Dark Side)
            2007 Dodge Ram 2500 quad-cab long-bed (Wifes ride)
            1999 Suburban (The Ship)
            1994 Dodge Spirit (Son #1)
            1968 F100 (Valentine)

            "No one is totally useless. They can always be used as a bad example"

            Comment


            • #7
              Thanks for nice comments.

              Pat, I think the charging system on my bike is the same as standard.

              I thought I had a gremlin in this area when I was trying to fix the low end stumble. Turned out it wasn't charging well at idle and the battery voltage was dropping.

              I did a check of the generator and regulator as per the manual and forums and all seemed well. I went around and cleaned up all of the earths/grounds on the bike. I also added another earth strap directly from the battery to the engine. My bike had one to the frame and then another to the engine, which didn't seem to be that smart and from experience a lot electrical problems can be traced to bad grounds/earths.

              Voltage problem gone, but I still had the low end stumble which turned out to be the carbies anyway.

              BTW - to make your bike shine, use some good quality silicone lubricant spray to give the wet new look. Been using it for over a year and hasn't affected the paint and the grime doesn't stick to the silicone and your bike stays cleaner.
              It ain't over until there's dirt on the box

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