2004-2005 660 Yamaha Rhino Factory Service Manual, Page 148Get this manual
CAMSHAFT AND CYLINDER HEAD
REMOVING THE CAMSHAFT AND CYLINDER HEAD 1Loosen: camshaft sprocket bolts 2Loosen: timing chain tensioner cap bolt 3Remove: timing chain tensioner timing chain guide (exhaust side) decompressor cam guide plates camshaft sprocket camshaft NOTE: Fasten safety wire to the timing chain to prevent it from falling into the crankcase When removing the camshaft sprocket, it is not necessary to separate the timing chain