pistons

[rossthaboss11]

just blew my top end now looking for
a top end kit. i can hone my cylinders but if anyone has some ported ones or bored let me know whatch ya got. but just wondering what pistons are good/bad ive seen a bunch of kinds. Pro-x, sbt, wsm, weisco

 

[QuickMick]

just blew my top end now looking for
a top end kit. i can hone my cylinders but if anyone has some ported ones or bored let me know whatch ya got. but just wondering what pistons are good/bad ive seen a bunch of kinds. Pro-x, sbt, wsm, weisco

OEM Yamaha.

 

[750SX]

Pro-x and wiseco are good

 

[Captain PegLeg]

I have had good experiences with wsm so far in my kawi. My freind has had some in his 550 for a season now.

 

[rossthaboss11]

ok thanks for the input. are aftermarket pistons better than stock performance wise? are they lighter or anything