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Thread: 86 200sx engie noise

  1. #1
    Join Date
    May 2009
    Location
    indiana
    --
    14

    86 200sx engie noise

    hello i have a 86 200sx 4 wheeler im hearing a slapping sound from the right side of the motor but only when i blip the throttle off idle. i thought it was the cam chain so i tore it down and the chain seems tight but the oil pump chain seems really loose could that be it or is it something else

  2. #2
    Join Date
    Jul 2005
    Location
    Manheim, PA
    --
    5,817
    its prob the cam chain, my xr200 is doing the exact same thing, i put my ear to the motor and its the cam chain, but it didnt do before i did the top end.

  3. #3
    Join Date
    May 2009
    Location
    indiana
    --
    14
    well i thought it was the cam chain too but there's no slack in it. i guess that could still be it

  4. #4
    Join Date
    Jul 2005
    Location
    Manheim, PA
    --
    5,817
    same here, ive about had it so mines going to a dealer.

  5. #5
    Join Date
    May 2009
    Location
    indiana
    --
    14
    well ive already got everything to replace the cam chain. i guess i'll get a oil pump chain too while its apart and hope that fixes it

  6. #6
    Join Date
    Oct 2002
    Location
    Northeast
    --
    17,460
    ALL those oil pump chains are loose...... Even new ones!

    You have to have that thin side cover next to it or it can come off and probably smacks the right case and makes noise.
    All our government does is distract us while they steal from us, misspend our tax $ and ruin our country

  7. #7
    Join Date
    May 2009
    Location
    indiana
    --
    14
    ya ive heard those oil pump chains are loose. and that thin piece of metal was in place so who knows

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