can i put a 800r motor in 07 renegade

Hey guys i have af riend who blew his motor in his 07 renegade and he bought a use 800r to put in his bike,we know the stator plugin is different and intake and injectors but is there any other reason why this wont work,also we were thinking about putting old stator in new motor so we have the right plug…thxs for any help