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    #1

    Head Torque Specs

    Hello,

    I have a 1980 GS550. As part of the valve clearance checking and adjustment process, my Clymer's manual tells me I need to re-torque the head. Whether or not it is necessary, it has been a very long time since either procedure has been done. But, the book does not list the torque spec for the head nuts and I can not find that spec. Anyone here now what that spec is? Thanks for your help

    Mike
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    #2
    Yhe book WILL have an area that has all of the torque specs. It will probably be listed as a "table". Ray.

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      #3
      Most are 25-27 ft lbs

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        #4
        Back each bolt out a little and take them back in to thirty pounds.
        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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          #5
          Steady On With That Tension Wrench

          STEADY ON WITH THAT TENSION WRENCH. It's a 550 we're working on here. Not a 1000. The 6mm head bolts are 5 to 8 lb-ft. The 8mm head nuts are 16.5 to 19.5 lb-ft.

          Hope this helps

          Cheers Don

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