2006 Arctic Cat DVX 400 Service Manual, Page 76Get this manual
ATV2178
3Tighten the engine mounting fasteners to the specificationsALower rear and lower frontBUpper front (inside the bracket) and upper front (topside of engine)CUpper engine mount-to-frame cap screws and engine to engine mount cap screw with nut and flat washer4Install the exhaust pipe and muffler; then tighten the exhaust pipe nut (1), muffler mounting bolts (2), and the connector bolt (3) to specifications
6Install the engine coolant hose; then install the spacer (1) with O-ring to the engine oil outlet pipe and tighten the cap screws (2) securely