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Old 12-02-2011 | 12:27 PM
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RTK
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From: Left Coast , CA
Default RE: Replacing Piston Rings

ORIGINAL: w8ye



Some people want to run a hone in the cylinders and hone them until the cross hatch marks are consistent top to bottom. This is not going to work on our small engine.

Frank is talking about some 400 W or D in your fingers and just scratch around in there a little to take the glaze off.

I have not been doing anything to the cylinders that were smooth to begin with and the rings usually seat with the first tank.


I usually take a little kerosene and a scotch brite pad and run it around in the nikasil coated cylinders before placing a new ring in.

If the hardness of Nikasil is reported correctly then you would need a diamond hone to cut it any way, that is not counting the chinese flame coatings.