New noise from RH Head area - high mileage 1150 ADV...

Discussion in 'GS Boxers' started by MikeO, Nov 7, 2012.

  1. Mike Ryder

    Mike Ryder Kriegerkuh

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    Steptoe, sir. I am sure that you know that countless 1150 owners are now removing their valve covers in dreaded anticipation. Well done. Thank you.
    I just ran out now to have a look at mine. Have you any thoughts as to what may have caused this damage? It looks to me as though that head was over heated a bit.
    Great pictures.
    #21
  2. vintagerider

    vintagerider Long timer

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    Two suspected causes of cam follower damage are valve lash too tight and lubrication failure. By the looks of those heavy varnish deposits there was overheating and/or extended oil change interval. The engine calls for API SF/SG. Newer automotive oils are SL/SM with low levels of ZDP.
    #22
  3. vagueout

    vagueout Long timer

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    Ok, i'll be the bunny, wtf is "zdp" / and is it a good thing or a bad thing?:eek1
    #23
  4. Rubber Cow

    Rubber Cow GS Dork

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    It's known as zddp here -Zinc Dialkyl Dithio Phosphate. A motor oil additive.
    It helps to reduce metal-on-metal wear...
    This resolution thread may not be an issue for Mike anymore....
    http://advrider.com/forums/showthread.php?t=838185&page=4
    #24
  5. MikeO

    MikeO Part-time wage slave...

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    Scarning, today...
    Well the good news is, I don't have to worry about the noise from the right hand valve gear...

    [​IMG]

    Mike
    #25
  6. pjm204

    pjm204 Long timer

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    Holy shit, what happened? Are you okay?
    #26
  7. Mike Ryder

    Mike Ryder Kriegerkuh

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    So was the ticking a bomb then?
    #27
  8. pcwirepro

    pcwirepro Aspiring Adventurer

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    I was really looking forward to learning from this one. Here comes a new thread.
    #28
  9. Jazz62

    Jazz62 Long timer

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    UNREAL!!! :eek1 :eek1 :eek1 :lurk
    #29
  10. Mike Ryder

    Mike Ryder Kriegerkuh

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    ?
    #30
  11. katego

    katego Been here awhile

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    yikes. yeah, must have been.

    -k
    #31
  12. Steptoe

    Steptoe steptoe

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    That's the righthand side of the engine in the pictures - The left hand side was in perfect condition :D
    #32
  13. Gintaronas

    Gintaronas hobbyist

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    Well, yes, I am one of those "countless 1150 owners". :wave
    I had a bad sound developing on the right side of the engine. Removed cam and - here you go, the same picture with the exception that only half of cam and one follower is broken - the exhaust side.:cry
    For the intake part all seems well. Maybe that's why the sound is not that loud compared to videos in this thread.
    I wonder if it would be possible to fix the cam somehow (welding/grinding/hardening)?:ear

    Also would be interesting to find out the cause of this problem. I would rule out the wrong oil, lack of oil and prolonged change intervals. Normally I keep valve lash on "tappy-happy" side...
    #33
  14. slartidbartfast

    slartidbartfast Love those blue pipes

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    :eek1 :eek1 :eek1

    That's not nice. I hope it is insured. Any idea what caused the fire?
    #34
  15. dirtsurfer

    dirtsurfer Thread killer

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    :lurk
    #35
  16. allonsye

    allonsye ("lets go!")

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    That's the sound of a worn TB shaft bushing. Been there had that. Put a finger against the the TB cam, pulley thingy and you'll be able to verify straightaway. Glad the problem was solved [sic] but hope you didn't get injured in the process.
    #36
  17. pcwirepro

    pcwirepro Aspiring Adventurer

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    You might want to read the ENTIRE thread.
    #37
  18. allonsye

    allonsye ("lets go!")

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    I had. Other than the bike having been destroyed (in effect "solving the problem") what else did I miss:confused
    #38
  19. Steptoe

    Steptoe steptoe

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    That is wasn't the throttle body causing the noise :lol3
    #39
  20. pcwirepro

    pcwirepro Aspiring Adventurer

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    My point exactly.
    #40