Cool [Q] galaxy s2 gt-i9100 rooting and CWM installing

hey... i want help about my galaxy s2 gt-i9100 running 4.1.2
i want to root my phone and install Clockworkmod recovery
but i need help....i am little confused that ... can i install clockworkmod without installing custom kernel..... i mean can i install clockworkmod directly after rooting my device using framaroot ....