ckff10
New member
Hello new to this site, I am replacing rebuilding a 2T80 yanmar. did not mark pistons previous to removal. does it matter the direction of install?
JD 650 2T80UJ Yanmar
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pmsmechanic
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On most engines yes. The wrist pin is off set just a tiny bit to dampen piston slap. A John Deere service manual should tell you how to figure it out. Some online are available a down loads so you wouldn't have to wait very long for the manual.
joecdeere
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I have a PDF of the TEch manual you're welcome to, shoot me your email
Joe
Joe