2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 172Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 172

22Depress the spring-loaded lock and push the plunger into the tensionerMD1137 18Rotate the crankshaft until the second
into the cylinder making sure the ratchet side is facing toward the top of the cylinder and secure with the two Allen-head
screws 19Rotate the crankshaft until the first cap screw (from step 17) securing the sprocket to the camshaft can be addressed;
then tighten to specificationsBend the tab to secure the cap screw20Install the cylinder head plug with the cupped end facing