sublime777

Just had my 01 shee bored from 64.5 to 65.25 I am installing coolhead with 21cc domes. Are these the right size? What compression should I be at?I tried to install this head with new V force 3, FMF FATTYS, K&N,open airbox. What jetting should I use for this setup? I tried a 320main 30 pilot but it won't idle and it backfires. My elevation is 1,100 and temp 75 -85 degrees running pump gas 32/1 yamalube any help would be great THANKS!

Make sure the choke tube is connected to both carbs.