Posted by andy r on June 11, 2023 at 17:42:31 from (208.126.193.44):
My Cub Cadet zero turn mower lost power. Engine is a Kawasaki FR651V twin cylinder 22 horsepower. Cleaned the carburetor, new fuel filter, new air cleaner, and new spark plugs with no improvement. This engine model has problems with coils, so I put a new coil on the dead cylinder with no improvement. Engine would not start with the other cylinder's spark plug wire removed. Switched the coils around with no change. Left cylinder always dead. Pulled the valve cover off on the dead cylinder side and a push rod feel out. Push rod was bent. Not a wonder it fell out of the rocker arm. Upon further examination the other push rod was bent as well. I attached a picture of the bent push rods. I guess this engine is known for excessive valve/rocker arm clearance. I subpose the excessive clearance let the push rod fall out or it was hammered into its bent shape. Anyone experience bent push rods on the Kawasaki engines? I really can't see how you would adjust the valve clearance. Any ideas appreciated. Thank you.
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