Top end rattle

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  • wdavie
    • Feb 2026

    #1

    Top end rattle

    Had my 850 out today for it's first rum since rebuilding it and when running it 'hardish' there is a very loud rattle from the engine top end. I'm assuming it's the cam tensioner and what i'd like to know is can I adjust, check this without taking the engine out of the bike? Many thanks
    Wayne
  • Guest

    #2
    You should be able to do both without taking the engine out. You might have to remove the carbs... Do a search as there is a great tutorial on Basscliff's website... He is my hero...
    Curt

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    • wdavie

      #3
      Cheers Curt I had a quick look on Basscliffs site but couldn't find tutorial on there. Will have another look. Thanks again
      Wayne

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      • gearhead13

        #4

        Quite often they need to be taken apart and cleaned to work properly

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        • Guest

          #5
          Sorry, wrong good guy site... Gearhead has the right one for you...
          Curt

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