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Pinging when warm

Discussion in 'Other Norton Motorcycles' started by Paul W., Jun 7, 2018.

  1. dynodave

    dynodave

    Joined:
    May 28, 2003
    Well 31 was bad and 28 is better?

    You need information.
    1. what is the RPM point and RPM range that it pings at.
    Simultaneously:
    2. What is amount of throttle opening at which it pings---to understand the cylinder pressure it pings at.

    Please identify the pistons now that you have seen them.
     

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