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Skunk tank fitting on later GS 1000

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    #1

    Skunk tank fitting on later GS 1000

    Having purchased a NOS skunk tank a while ago, I decided to fit it on my GS 1000 XP that has CV carbs fitted
    Guess what, the OEM fuel valve ( worth a pure fortune in itself!) interferes with the carb bodies
    Not to worry, I decided to buy a Pingel fuel valve as it looked far more compact than the OEM model.
    I got the valve and a 46 mm adapter plate and tried fitting them today.
    Well it still doesn't fit without interfering with the carb body.
    In fact the adapter plate has a hole spacing of 46 mm and in reality you need a spacing of 44 mm!
    I had made a quick measurement before ordering but...I thought that Z1 knew better and maybe my measurement was off by 2 mm
    In practice I'm going to have a new adapter plate made with a 44 mm hole spacing and on top ensure the fuel valve is offset by at least 4 mm backwards with respect to the adapter plate.
    I'm surprised no one else has encountered this issue?



    sigpicJohn Kat
    My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
    GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020
    Tags: None
    #2
    You can buy offset adapter plates. I use one.
    1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
    1985 GS1150ES stock with 85 Red E bodywork.

    Comment

      #3
      I guess the dreaded 80 petcock was made for this reason.

      1978 GS1000C
      1979 GS1000E
      1980 GS1000E
      2004 Roadstar

      Comment

        #4
        Originally posted by Rover View Post
        I guess the dreaded 80 petcock was made for this reason.
        At least partly.
        In fact on the later tanks the hole for the fuel valve is set further back
        sigpicJohn Kat
        My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
        GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

        Comment

          #5
          Originally posted by chef1366 View Post
          You can buy offset adapter plates. I use one.
          Good news!
          Where did you get yours from?
          sigpicJohn Kat
          My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
          GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

          Comment

            #6
            Originally posted by John Kat View Post
            Good news!
            Where did you get yours from?
            Pingel Enterprise, Inc. – High Quality Motorcycle Performance Products
            http://pingelonline.com/powerflo.htm
            Manufacturer and distributor of high performance motorcycle parts and accessories for street and drag. Find fuel valves (petcocks), wheel chocks, air shifters, all electric shifter kits, wheelie bars and more here. Products for Yamaha, Harley-Davidson, Kawasaki, Suzuki and Honda available.
            1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
            1985 GS1150ES stock with 85 Red E bodywork.

            Comment

              #7
              Originally posted by chef1366 View Post
              http://pingelonline.com/powerflo.htm
              Many thanks
              sigpicJohn Kat
              My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
              GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

              Comment

                #8
                How much clearance does it get you?
                I have only a 1979 tank for my 1980 1000E.
                It has the same problem.


                Life is too short to ride an L.

                Comment

                  #9
                  Originally posted by tkent02 View Post
                  How much clearance does it get you?
                  I have only a 1979 tank for my 1980 1000E.
                  It has the same problem.
                  I used one on my 80 and it cleared. Just point the actuator away from the carbs.
                  1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
                  1985 GS1150ES stock with 85 Red E bodywork.

                  Comment

                    #10
                    I got my offset adapter plate today from Z1 enterprises and in no time I had the Pingel fuel tap on the tank and the tank on the bike.
                    Here's what a NOS Skunk tank looks like on a later GS 1000
                    The space is tight but...it works!




                    Many thanks to Z1 enterprises for accepting to take the previous adaper plate back!
                    sigpicJohn Kat
                    My bikes: CB 77, GS 1000 ST Cafe Racer with GSXR 1052 engine, GS 1000 ST, XR 41 Replica with GS 1085 engine,
                    GS 1100 SZ Katana with GS 1135 EFF engine, KTM Superduke 1290 R 2020

                    Comment

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