2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 134Get this manual
CYLINDER HEAD
NOTE: Fasten safety wire to the timing chain to prevent it from falling into the crankcaseG When removing the camshaft sprocket, it is not necessary to separate the timing chain
5.Remove: Cylinder head NOTE: Loosen the mm bolts firstG Working in crisscross pattern, loosen each 10 mm bolt 14 of turnAfter all the bolts are loosened, remove them