If you encounter "Can't find /System/Library/Kernel/Kernel" and your Yosemite Installed Drive shows as RAID, do the following:
Boot with the USB installer, open up terminal and enter the following command:
diskutil cs list
you see something like below. Note the UUID in red and Revertible = Yes
run diskutil cs revert UUID> , you can copy and paste the UUID
reboot when finish. Boot with USB and select your Installed drive to complete your install