How do you tighten the chain on a 2007 Raptor 700?

first, loosen the 4 screws at the bottom by the chain second, take a screw driver, or a thin rod, and insert it into 1 of the two holes on the left side of the sprocket in the rear barron third, push forward to loosen the chain and pull forward to tighten it. Lastly, tighten back the four screws. K.W.J. D'VILL, LA