2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 232Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 232

5Secure the upper engine mounts to the frame with the cap screwsTighten only until snug6Install two engine mounting through-bolts,
the upper engine bracket to the engine with the existing cap screw and flange nutTighten to specifications 8Secure the exhaust
pipe to the engine with two cap screws making sure the mounting brackets engage the frame grommets; then install the muffler