je piston install help ( ring end gap)

[Grant Casey]

ay got a je 13.5:! piston im gona install on me trx 450er


abotu the ring end gap its only a 1 ring piston. on the tech sheet it says to set it too .0018 ( .05 mm )

and when i put a feeler guage in it its bigger than that ? i can fit a .18 tho guage in it

is it still gona be ok run ?. or have i read the measuerments wrong ?

help

[Grant Casey]

or am i reading the feel gauge wrong when its say .0018 on the sheet dose it mean .18 feeler gauge

[DnB_racing]

Originally posted by Grant Casey
or am i reading the feel gauge wrong when its say .0018 on the sheet dose it mean .18 feeler gauge the formula is bore x .0055 inches if your stock bore is 96mm that converted to 3.78 inches times .0055 equals .020 inches for a flat track or mx gap


or .005 times the bore for late model stock which would equal .018inch end gap for top ring and oil rings are .015 inch

im thinking the sheet actually reads 0.018 and your copy you cant see the decimal point

[Grant Casey]

ay thank for that ay, i understand now wat aobut the oil ring set it to the same .020

[DnB_racing]

Originally posted by Grant Casey
ay thank for that ay, i understand now wat aobut the oil ring set it to the same .020 oil ring gap is .015 for all

[Grant Casey]

ay thanks for ya help mate i got it installed today ,, cheers