2009 Arctic Cat 400/500/550/700/550/700/1000 ATV Service Manual, Page 104Get this manual
11Tighten the cap screws (from step 9) to ft-lb12Place the speed sensor housing and gasket into position and secure with the two cap screwsTighten securely
8Lubricate the magneto cover gasket with fresh engine oil; then place it into position on the two alignment pinsMake sure the outer shift shaft washer is in placeCD069