Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Timing off?? › Reply To: Timing off?? June 23, 2021 at 7:40 pm #991309 Richard KirshyParticipant Providing nothing moved during the replacement it should be good …. BUT …. I would bar the engine over twice by hand to make sure there are no clearance issues AND check mechanical timing of TDC on #1 BEFORE attempting to start it.