well your bike should easly be able to turn all of those tires and the type of tire u get also depends on how u ride.. heres my opinion
Mostly trail riding
ITP 589 M/S
-front- 26x9x12
-back- 26x12x12
Mostly mud
HL outlaws
-front- 27x9.5x12
-back- 27x12x12
About half and half
Mud Machine bi/tri claws
-front- 27x9.5x12
-back- 27x12x12
thats just my opinion i hope it helps
Mostly trail riding
ITP 589 M/S
-front- 26x9x12
-back- 26x12x12
Mostly mud
HL outlaws
-front- 27x9.5x12
-back- 27x12x12
About half and half
Mud Machine bi/tri claws
-front- 27x9.5x12
-back- 27x12x12
thats just my opinion i hope it helps