bansheemaniac1 Posted September 6, 2009 Report Posted September 6, 2009 I CLEANED THE TOP OF MY PISTONS TODAY, GETTING READY TO PUT A DIFFERENT HEAD ON. AND WHAT I THOUGHT WAS A STOCK ENGINE, NOW I'M NOT SURE. THE PISTONS HAVE "50" STAMPED ON THEM AND AN ARROW POINTING TOWARD THE FRONT. DOES ANYONE KNOW WHAT KINDA PISTON AND SIZE THIS IS?? THANKS FOLKS Quote
hercalmighty Posted September 6, 2009 Report Posted September 6, 2009 Is there any other numbers? Can you maybe snap a pic of it and post it? Quote
x_doug_x Posted September 6, 2009 Report Posted September 6, 2009 Is there any other numbers? Can you maybe snap a pic of it and post it? i do believe i just pulled .50s out of my 250r they were 2 sizes over stock, whatever stock is. Quote
bansheemaniac1 Posted September 6, 2009 Author Report Posted September 6, 2009 Is there any other numbers? Can you maybe snap a pic of it and post it? i measured across the inside of the cylinder wall and it measured at 64mm. i just didn't know about these pistons. and the walls look honed out before? Quote
hercalmighty Posted September 6, 2009 Report Posted September 6, 2009 Might be 64.50mm pistons. Quote
bansheemaniac1 Posted September 6, 2009 Author Report Posted September 6, 2009 i do believe i just pulled .50s out of my 250r they were 2 sizes over stock, whatever stock is. so they had 50 stamped on top? Quote
swrbansheeboy Posted September 11, 2009 Report Posted September 11, 2009 grab a set of digital callipers that does mm's and measure the piston, takes the guesswork out of it. http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=93293 Quote
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