I HAVE A PREDATOR 500 05'...I WAS TIGHTENING MY CHAIN AND WHEN I WAS DONE MY REAR SHOCK IS NOW EXTREMLY SOFT...LIKE OLD CADILAC SOFT...WHAT THE F HAPPENED..ALL I DID WAS MOVE MY AXLE TO TIGHTEN MY CHAIN. NOW WHEN I HIT A BUMP MOVIN UP AND DOWN LIKE AN 85 CADI...ANY SUGGESTIONS