First you need to drain the oil
Take off the clutch side cover
Remove the lock nut and the clutch springs
then check your push rod and make sure the BB is still in the middle of the push rods
If it is,reassemble your clutch
Now you need to put the pressure plate back on and torque the clutch springs
after that you need to have the locknut loose in the middle
Push your "push lever" completly forward,towards the fron of the bike
now holding it there,tightin the rod with a small screw driver until the arrow on the "push lever" lines with the arrow on the case.
Now you need to tightin your locknut,adjust the rest of the slack in your cable at the bars,if your cable is loose still,buy a new one