use the square head EZ out and some pb blaster to get the bolt out of your head...as a last resort, drill the hole/bolt and helicoil it.
__________________
El Pendejo Loco
2002 Suzuki Hayabusa
1507 "dry" block
Brocks megaphone
Spencercycle 10" swingarm
MPS auto shifter
Hays convertible clutch
Yea, that about sums it up...