HI GUYS !!! I NEED TO WHAT YOU THINK, SOME OF YOU TOLD ME TO STROKE MY SHEE .4MM OR 6MM I RIDE MOSTLY TRAILS SO I DECIDED TO BUILD A 370 STROKER SO I DON'T WANT TO LOOSE MY TRAILS BY GOING TOO BIG.I FOUND A SET OF CYLINDERS ON EBAY THAT WAS SET UP FOR A 6MM CRANK WILL THEY WORK WITH A 4MM CRANK SORRY I DON'T KNOW ANYTHING ABOUT A 2 STROKE. THANKS FOR THE HELP!!!!!!!!!