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gs750 8v crank seal replacment

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    gs750 8v crank seal replacment

    my 750 is leaking oil from the ignition side crank seal. behind the points. any tips on removing this seal without having to split the cases?

    #2
    Take the old one out with a couple of wood screws and yank it out.
    Put the new one in the freezer overnight and grease the outside rim.
    Using the bolt that goes in the end of the crank (or a shorter one) stacked with enough large washers to press in the seal.
    Make sure it is going in straight or you will cut the casing of the seal.
    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.

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      #3
      okay should i drill pilot holes or let the screws self tap?

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        #4
        What ever is easier.

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          #5
          Don't go too deep and hit the bearing.


          Life is too short to ride an L.

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            #6
            Make sure you don't install the seal backwards. There's a teensy directional arrow on the new seal; make sure it's correct.

            If you go with the wood screw route and/or drill pilot holes to remove the seal, be aware there's a large roller bearing pretty close behind the seal. It wouldn't be a very good idea to get shavings or a drill bit in the bearing. Vacuum out any debris.
            1983 GS850G, Cosmos Blue.
            2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
            2015 Yamaha FJ-09, Magma Red Power Corrupts...
            Eat more venison.

            Please provide details. The GSR Hive Mind is nearly omniscient, but not yet clairvoyant.

            Celeriter equita, converteque saepe.

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              #7
              Will this work on a 1985 GS1150ES as well ?

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                #8
                Originally posted by GSEScraze View Post
                Will this work on a 1985 GS1150ES as well ?
                Yes....................................
                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.

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                  #9
                  Originally posted by chef1366 View Post
                  Yes....................................
                  Cool thanks

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