13RAZOR13 Posted February 9, 2004 Report Share Posted February 9, 2004 i have an old 87 shee i bought the vehicle allmost 4years ago no problems today one of my pistons cracked:( .the pistons have some markings on them---- 1.00 513P4 or 517P4 --(Hard to read the "3" or "7") CD (arrow pointing to the exh.) . . i think the P4 stands for 80 over do you know what piston this is, and can i still bore the juggs? . THX's Quote Link to comment Share on other sites More sharing options...
OC-SHEE Posted February 9, 2004 Report Share Posted February 9, 2004 take it to your local maching shop that does boreing and ask them. They won't charge just to tell you. Quote Link to comment Share on other sites More sharing options...
Aussie Quad Racer Posted February 9, 2004 Report Share Posted February 9, 2004 by the "1.00" i would say 1mm over which is a 65mm bore Quote Link to comment Share on other sites More sharing options...
Yaxy Posted February 9, 2004 Report Share Posted February 9, 2004 Typically 1.00 means 40 over. Lots of room to go. Chris Quote Link to comment Share on other sites More sharing options...
13RAZOR13 Posted February 10, 2004 Author Report Share Posted February 10, 2004 thank you:) . 40 over not 60? . Thanks again for all the inputtttttttttttttttt:) Quote Link to comment Share on other sites More sharing options...
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