2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 318Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 318

9Remove the front cylinder head assembly and account for two alignment pins (A), cylinder head gasket (B), oil pipe (C),
shaft chain tensioner (A); then remove the circlip (B) and washer11Remove the intermediate shaft chain guides (C); then remove
the two Allen-head cap screws (D)Account for the intermediate cam drive position plate 13Hold the intermediate shaft (A)