Quote:
Originally Posted by Jim Brierley
tom, no need to buy new pistons if they all come to the same height and weigh the same. have fun
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I've never been a fan of mismatched parts, and these are .015, which are hard to come by, so I may have to rigid hone to .020" and buy a new set. With the engine all apart there is no use in trying to get by with worn parts. I could maybe knurl the pistons, but my knurler has vanished (stolen) so I might as well buy new pistons.
When I was in the Army I took my Honda 50 to Texas, and it would only go 30 MPH, while it did 45 when I had it at home. I lapped the valves and installed new rings, but they helped very little. The Honda dealer said I should buy a new piston, even though I told him the rings fit the grooves very nicely with no excess side play. For $10 I put in a new piston and the bike was back to 45 MPH. I wouldn't have believed it if I hadn't seen it first hand.
