There are many method to create the USB Installation for Mac OS X Yosemite this is one of them,The following guide is just USB Creation of Mac OS X Yosemite 10.10 (Build 14A389) with the help of UniBeast Application from Tonymacx86 which is pure vanilla installer creation with GPT and Vanilla Kernel(Original kernel)
Requirements
1:-Install OS X Yosemite.app Download it from Mac App Store
2:-UniBeast App From Tonymacx86
3:-MBR Patch only if you want to install OS X in MBR
Steps for Creating a Bootable USB Drive with UniBeast
- Insert the USB drive
- Open /Applications/Utilities/Disk Utility
- Highlight the USB drive in left column
5. Click Current and choose 1 Partition
9. Under Format: choose Mac OS Extended (Journaled)
10. Click Apply then Partition
12. Click Continue, Continue, Continue, Agree
15. Click Continue
17. If using a laptop, choose Laptop Support
18. Click Continue
Read Yosemite all one in Beta Guide it is tested on Beta 1 to Beta 4
Read Extract Kernel From Pacifist For Extracting Kernel
Read Mac OS X Yosemite Hackintosh Guide 10.10 (14A389)