Blown Engine?

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  • ohgoodtimes
    #1

    Blown Engine?

    I took my bike in two have it tuned after moving to arizona and the guy at the shop told me the engine was blown and that it would need to be replaced! What?! I was riding it before I brought it down here so I am confused. he said the compression was 130-125-55-140. What are the suggestions for fixing this problem.

    Bike 83 750e with 28K... it is tkents old bike.
    Tags: None
    • Guest
      #2
      Originally posted by ohgoodtimes
      I took my bike in two have it tuned after moving to arizona and the guy at the shop told me the engine was blown and that it would need to be replaced! What?! I was riding it before I brought it down here so I am confused. he said the compression was 130-125-55-140. What are the suggestions for fixing this problem.

      Bike 83 750e with 28K... it is tkents old bike.
      Time for some new rings, or you have a blown gasket, or maybe a valve problem. Those compression numbers are fine except for #3. Run as fast as you can and get your bike back from Mr. guy at the shop. He's an idiot.

        Comment

        • 67fire
          #3
          Exactly! And you might just want to take your own compression readings.
          A tightly (incorrect) exhaust valve could be stuck open or not closing all of the way on #3.

          Eric

            Comment

            • rustybronco
              Forum LongTimer
              Bard Award Winner
              GSResource Superstar
              Past Site Supporter
              • Jul 2005
              • 14961
              • Marysville, Michigan
              #4
              Adjust valves and go from there.

              Originally posted by ohgoodtimes
              What are the suggestions for fixing this problem.
              unless you have the ability to hire and fire, there isn't much you can do about it...
              Last edited by rustybronco; 08-18-2009, 02:01 PM.
              De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

              http://www.thegsresources.com/_forum...35#post1625535

                Comment

                • ohgoodtimes
                  #5
                  Any suggestions as to where to get pistons that are .05 over? also how do i check for a stuck valve?

                    Comment

                    • blowerbike
                      Forum Guru
                      GSResource Superstar
                      • Aug 2008
                      • 7057
                      • Ohio Closer to KY Than Cleveland
                      #6
                      strange...
                      i would get a second and 3rd opinion.
                      cylinders just don't go bad like that.
                      find a mechanic that can say more than...
                      ENGINES BAD....PAY ME.
                      don't go looking for parts before you know 100% whats wrong inside of the engine.

                        Comment

                        • TheCafeKid
                          #7
                          Originally posted by rustybronco
                          Adjust valves and go from there.

                          unless you have the ability to hire and fire, there isn't much you can do about it...
                          Originally posted by blowerbike
                          strange...
                          i would get a second and 3rd opinion.
                          cylinders just don't go bad like that.
                          find a mechanic that can say more than...
                          ENGINES BAD....PAY ME.
                          don't go looking for parts before you know 100% whats wrong inside of the engine.
                          +1 to both. Adjust the valves, do a compression test for YOURSELF, then if you find there are still problems, FIND THEM, then go from there. Unless of course you like wasting money..

                            Comment

                            • first timer
                              Forum Sage
                              • Aug 2002
                              • 3429
                              • Tucson, Arizona
                              #8
                              where you at phx , flag or tucson?
                              78 GS1000 Yosh replica racer project, 82 Kat 1000, 10 990 ADV-R, Some dirt bikes

                                Comment

                                • tkent02
                                  Forum LongTimer
                                  Past Site Supporter
                                  • Jan 2006
                                  • 35571
                                  • Near South Park
                                  #9
                                  Originally posted by ohgoodtimes


                                  Bike 83 750e with 28K... it is tkents old bike.
                                  Sorry, the warranty is up.
                                  Adjust the valves, check the compression again, take two aspirin and call me in the morning. The idiot probably forgot to open the throttle on that cylinder.

                                  Happy to hear it's still up and running.
                                  http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                                  Life is too short to ride an L.

                                    Comment

                                    • ohgoodtimes
                                      #10
                                      I am in tucson. And I wasn't implying anything about a warranty haha but will be checking the valves.

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