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View Full Version : choosing piston size???



honda_400ex19
04-17-2002, 09:05 PM
IM FAIRLY NEW AT THIS SMALL ENGINE STUFF.
BUT HOWEVER I AM AWARE THAT THINGS USUALLY DONT CHANGE MUCH WHEN YOU TALK ABOUT DIFFERENT SCALES, ITS ALL PRETTY MUCH THE SAME PHYSICS. LIKE FOR INSTANCE A QUAD MOTOR TO CAR MOTOR.

MY QUESTION IS THIS.....
KIDS WERE I RIDE, COME INTO THE PITS AND ***** TO DADDY THEY DONT HAVE ENOUGH POWER AND THE NEXT THING YOU KNOW DADDY GOES TO THE PARTS TRAILER ON SITE AND HE HAS A HIGH COMPRESSION PISTON FOR THE DAMN THING...


HOW??????? HOW???????? NO MEASUREMENTS OR ANYTHING, JUST TELLS THE GUY "HEY MY SON HAS 400 & NEEDS H.C. PISTON" BOOM ON THE BIKE IT GOES.......


HOW???????????????????????????????????????

sly400ex
04-17-2002, 09:43 PM
It's not hard, just say you want a standard bore high comp. piston for a 400ex, what's the big deal?