Piston Preperation Before Use by hoser.. A new piston will need some minor preperation before installing it into your engine, If you have ever looked close at a new piston you will notice they leave a lot of sharp edges, if you take a file and gently file those sharp edges off you will reduce the chance ot the piston scraping the oil off the cylinder wall.I went around the hole in the piston inside and out to remove casting flaws and put a small bevel inside and out.
The leading edge of the skirt also needs it done
I dont like to risk removing oil from the cylinder wall, check your old piston when it is removed you will notice that the edge is sharper than a new piston if the piston was run to long and shows a lot wear from rocking inside the cylinder bore. Click on "More Pictures" to see the piston I did for the wife's Pilot 3-17-01
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