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  1. R

    Tuning Imapct MKII losing speed, HELP please

    Thank you. It should be something external as the micro hex adjustment stays in place. I took it a couple of weeks ago to the FX offical repair and they changed the front spring that closes the valve, but the problem continued. I sent it back to FX yesterday, hopefully they solve it but I will...
  2. R

    Tuning Imapct MKII losing speed, HELP please

    Hi there, My FX Impact MKII is gradualy losing speed and has nothing to do with the regulator as the pressure remains stable, also no leaks anywhere. If I tighten the hammer spring I get again the FPS but after a few shots then FPS go down again. Any hints on this? Can it be the hammer spring...