Briggs and Stratton Intek V-Twin Governor Issue: Engine Revs Uncontrollably / No Idle - SOLVED!

If you commenting on this video years later...the root cause of the problem is mentioned many times in the comments and here is the evidence of the failure:    • If your Briggs and Stratton Intek V-Twin o...   The engine's model number is 44S777-0016-G1 and the applicable Briggs and Stratton service manual for that engine is 273521 Initial Diagnosis: Governor spring pulls the throttle open when the throttle lever is opened but the engine immediately starts to race/over-rev and will not idle after starting. I am able to hold the throttle closed by hand to force it to idle but as soon as I let go, it wants to over rev. I don’t feel any force or movement in the governor linkage when the engine is operating. The shaft play in and out as shown towards the end of the video at 1:48 is not indicative of a failed governor. Where that play is coming from makes total sense once I have taken the engine apart:    • If your Briggs and Stratton Intek V-Twin o...