Reply To: QD16 tuning

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January 3, 2024 at 8:07 pm #283656
Don
Participant

    US Member

    Once the roller and sync is set up properly, it will run better.  I know it seems counter intuitive, but the engine will actually run very lean if the throttle opens too soon.

    I think you will do better once you can get the engine on a boat in the water and make the carb adjustments then.  Adjust the high speed mixture first, then dial in the low speed needle.