Quote:
Originally Posted by juicy
Valve knocker reset isn't complete, the knocker resets a few mm higher than it should be to hit the valve properly. Valve knocker spring needs replacement, then?
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Open up the gun and check the interaction between the valve knocker and the valve knocker disconnector to confirm the engagement. Sometime the tension spring that hooks on to the valve knocker and anchored to the frame is out of place. You might also want to try to add some grease to ensure that the valve knocker can retract more smoothly.