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  • #1

    Fuel filter installation SG

    I'm in the middle of fixing a lot of issues with my bike. Carbs are off, it's still upside down.

    The last time I rode it, I got trash under one of the needles and it flooded when I closed the throttle. Maybe my tank isn't as nice as I thought it was. I bought 2 of these:


    I have a new shut-off valve (octy), so bypass isn't what I want to do. I have new OEM style fuel hose from Mike's XS. I thought I would install the filters between the carbs, just above the tees. I have brass tees to replace the plastic ones in the lines.

    Am I asking for trouble, putting them there? Who has gone here before me and sees trouble? These are the only filters available from the local motorcycle shop. Parts availability is pretty much limited to what I can find at Autozone or Advance Auto Parts, i.e. nothing.
    Last edited by jetmechmarty; 03-29-2011, 07:04 PM. Reason: content-spelling
    Marty (in Mississippi)
    XS1100SG
    XS650SK
    XS650SH
    XS650G
    XS6502F
    XS650E
    Tags: None
  • #2
    I run that type filter(s) on my SF with no problems so far, I don't have the octy though.
    2H7 (79) owned since '89
    3H3 owned since '06

    "If it ain't broke, modify it"

    ☮

    Comment

    • #3
      Phil,

      OK to put them between the carbs. I have stock airbox as well.
      Marty (in Mississippi)
      XS1100SG
      XS650SK
      XS650SH
      XS650G
      XS6502F
      XS650E

      Comment

      • #4
        Use the same filters crossing the lines on my Venturer giving extra line to tank when syncing carbs. Should work fine being small and should be easy enough to tap in even with all the hosery and limited area on the Specials.
        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 jetmechmarty View Post
          Phil,

          OK to put them between the carbs. I have stock airbox as well.
          If they'll fit it should be fine. Just make sure the lines aren't kinked any to put sideways pressure on the ends of the filter. The heat can deform them and lead to problems.
          2H7 (79) owned since '89
          3H3 owned since '06

          "If it ain't broke, modify it"

          ☮

          Comment

          • #6
            The filter that you have on the right side should feed the left carbs and the left filter feeds the right carbs. There isn't enough height to have the filter on top of the carb tee.
            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

            • #7
              The filter that you have on the right side should feed the left carbs and the left filter feeds the right carbs. There isn't enough height to have the filter on top of the carb tee.
              I'm not sure I follow. I thought the filters might fit between the carb inlets. That would be the tees between the carbs as opposed to the ones above. Are we on the same page? Or, are you suggesting a plumbing modification after the shutoff valve?
              Marty (in Mississippi)
              XS1100SG
              XS650SK
              XS650SH
              XS650G
              XS6502F
              XS650E

              Comment

              • #8
                Remember Nate, he's got a special and he's still using the octi, so his plumbing is different...
                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

                • #9
                  That's right, that cursed little mess of hoses!
                  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

                  • #10
                    MArty,

                    I use that same filter on Banshee. I do not have the ocy in place, but I also do not criss cross the hoses like most folks. My fuel lin comes straight down from the petcock in between the air box tubes for carbs 1 and 2 and then again netween 3 and 4 on each respective side. The filters will slip between the tubes fromt he air box to the carbs with no problem. In fact when I pull the tank, I pull the lines with the filters up to get my fat fingers on the line to push it onto the petcock nipples.
                    Life is what happens while your planning everything else!

                    When your work speaks for itself, don't interrupt.

                    81 XS1100 Special - Humpty Dumpty
                    80 XS1100 Special - Project Resurrection


                    Previously owned
                    93 GSX600F
                    80 XS1100 Special - Ruby
                    81 XS1100 Special
                    81 CB750 C
                    80 CB750 C
                    78 XS750

                    Comment

                    • #11
                      Hi Marty,
                      as you will be running the stock multi-tube + octy set up you more or less gotta put those two filters between the octy and the carb fuel tees. If you put the filters up near the gas taps you'll need four of them.
                      Fred Hill, S'toon
                      XS11SG with Spirit of America sidecar
                      "The Flying Pumpkin"

                      Comment

                      • #12
                        Here's how I ran them on my SG



                        XS1100SG - Obsession

                        Like I told my last wife, I says, "Honey, I never drive faster than I can see. Besides that, it's all in the reflexes."
                        -- Jack Burton

                        Comment

                        • #13
                          DGXSER,

                          If I do it your way, I'll be in filter bypass when I select "PRI", unless I do as Fred said and attempt to find room for four filters. I considered the bypass option after speaking to another member. It might be a good way to get the bike home if the filters clogged, but I'd lose the "PRI" feature for regular use.

                          Kit,

                          Yours is similar to what I had in mind. I envisioned the filters sitting between the airbox ports after installation.
                          Marty (in Mississippi)
                          XS1100SG
                          XS650SK
                          XS650SH
                          XS650G
                          XS6502F
                          XS650E

                          Comment

                          • #14
                            Kit,
                            that's GREAT stuff! I've been wondering how to include filters with my octi. Now my mind has been freed from that mystery. Thanks!
                            79 Special
                            2012 FJR1300
                            78 E (project. Clutch problems from PO) Must sell

                            Comment

                            • #15
                              Originally posted by jetmechmarty View Post
                              Yours is similar to what I had in mind. I envisioned the filters sitting between the airbox ports after installation.
                              Yup, could just as easily be done that way as well. Doesn't really matter where they go, as long as your hoses don't get crimped. I just did it this way to keep my lines from flopping around as much when I pull the carbs.

                              Originally posted by Redshirt View Post
                              Kit,
                              that's GREAT stuff! I've been wondering how to include filters with my octi. Now my mind has been freed from that mystery. Thanks!
                              Glad to be of help.
                              XS1100SG - Obsession

                              Like I told my last wife, I says, "Honey, I never drive faster than I can see. Besides that, it's all in the reflexes."
                              -- Jack Burton

                              Comment

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