so wen i bought my coolhead i was told that i could run 21 cc domes so i did and on the second run my right piston goes out so i though it was the cool head but i decided to still run it i bore it and put .20 over wiseco pistons with 22 cc domes i break it in and it runs good for about 6 months then im riding it in 6th gear wit the power on at about half throttle and all of a sudden blows out again and turns out it is my right cilinder the piston had a hole in the top so the question is am i doing something wrong or is it the coolhead my mods are esr pipes,k&N pod filters ,boyesen power reeds280 mains 30 pilots temperature 90-100 elevation 650 ft any help would be apreciated