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  1. DevonD

    Piston Hitting Spark Plug

    I have a 2000 John Deere 425 that I just purchased with a Kawasaki liquid cooled 20HP FD620D engine and I pulled the plugs to check them and the plug on cylinder 2 was smashed down and a indent on the piston. Cylinder 1 piston has slight contact with piston. BPR4ES factory gap is .030 and...
  2. DevonD

    John Deere 425

    Hi everyone, First time user of this site and hoping to get some help on a 425 I just purchased. I bought this mower from a John Deere dealership that I had to make a 14 hr round trip to get. They had it listed for $1800 and it was a 2000, so that is why I drove so far to get it. I figured part...
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