Compression test

Discussion in 'Maintenance' started by mickey, Jun 3, 2019.

  1. mickey

    mickey New Member

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    Hi all just a quick question I’m going to do a compression test on my bike as number 3 cylinder isn’t right it’s not getting as hot as the other down pipes can anyone tell me is there a hard and fast rule on how many times I have too turn the engine over?? Or do I turn it over till the gauge max’s Out ??
     
    #1 mickey, Jun 3, 2019
  2. nigelrb

    nigelrb Elite Member

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    I haven't done them for a while, but the 'old school' rule was that the gauge would stabilise upon two or three revolutions of the compression stroke.
     
    #2 nigelrb, Jun 4, 2019
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  3. Blade runner 1

    Blade runner 1 Elite Member

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    As Nigel said, also open the throttle so there is an unrestricted flow of air.
     
    #3 Blade runner 1, Jun 4, 2019
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