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1983 GS400E complete rebuild to cafe racer?

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    #1

    1983 GS400E complete rebuild to cafe racer?

    Hello Everyone.
    New member. Looking to do a complete rebuild on a 1983 GS400E that has been sitting for 20 years in one spot. Flat tires and all. Gas and carbs drained. Considering converting it into something fun like a cafe racer. Does anyone recommend any parts to use since it will be completely torn down. Like a new cam, valves, pistons, springs, bars, etc....lets have fun with this. Thanks everyone!
    Tags: 1983, cafe, gs400, gs400e, racer
    #2
    2 valve or 4 valve motor? There's a bunch of options with the 2 valve motor as far as mixing and matching parts from the GR650 and GS500 to get a big bore motor......not too sure if you have the same scope with the 4 valve motor though.
    Current:
    Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

    Past:
    VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
    And a bunch of other crap Yamahas....

    Comment

      #3
      These bikes are famous for just changing the oil, plugs, and battery on a rusty old hulk and they fire right up. Keep that in mind (and your bank account in reference to how little the bike is worth) as you tinker.

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        #4
        It is the GS400ED model. Right now the wheels are seized, probably the brakes. Really not sure if its a 2 or 4 valve.

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          #5
          The cam end caps will tell you what the engine is - round caps are the 2 valve, rectangular are the 4 valve:

          2 valve:



          4 valve:
          Current:
          Z1300A5 Locomotive (swapped my Intruder for it), GS450 Cafe Project (might never finish it....), XT500 Commuter (I know - it's a Yamaha :eek:)

          Past:
          VL1500 Intruder (swapped for Z1300), ZX9R Streetfighter (lets face it - too fast....), 1984 GSX750EF, 1984 GSX1100EF (AKA GS1150)
          And a bunch of other crap Yamahas....

          Comment

            #6
            Sorry to high jack your thread but while we're talking about 2/4 valve 400s, what parts are interchangeable? I've got a 4valve and find it extremely hard to fine my bike listed anywhere.

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              #7
              http://www.thegsresources.com/_forum...Canadian-Issue this thread should help.Not much is interchangeable between the 2 and 4 valve 400's.

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                #8
                Just took a look and it is the 4 valve model.

                Comment

                  #9
                  Well firstly Welcome Aboard!!!!
                  Here's some info I highly recommend reading through before starting any big project.
                  Find your manual and get versed my brother in GSR!
                  http://members.dslextreme.com/users/bikecliff/


                  I say restore. The 83 GS400E is a cool looking bike! Keep it stock. I have seen so many cafe's flop or look horrid.

                  Should post some pics of the bike too!!! I Love seeing another twin GS rider join!

                  Good luck!

                  ....pics!

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