Hi,everyone just wondring if anyone has had this problem with a wiseco piston,ok here goes the problem, went bought wiseco piston and rings top end gasket kit, top end bearing and new reeds,well after i waited a week for my gaskets put it back together,and while i was on the inside of the piston where the clip goes looked like it wasnt a deep as grove on other side,well thought about said well ethier it holds or it dont,well needless to say it didnt:( cranked up second kick let run for little bit didnt rev it well rolled back in put all plastic back on said well see what happens,i went down road about 2 tenths of a mile there and back on way back it let a wipper out and died so right then pulled in clutch and rolled in yard pushed back to basement ,and sure enough it locked up so tore back down and the clip come out,you may ask how do u know that, well the clip is in beded in my head now,has anyone had this problem with wiseco piton kit,cause seems to me i heard of it somewhere just cant remember,and does anyone buy chance think wiseco replace my 150 in parts? any responce we be appricated !