1987-2003 Yamaha YFZ350 Banshee supplementary service manual, Page 118Get this manual
DISASSEMBLY
CRANKCASE 1Remove: Nuts (Crankcase) Bolts (Crankcase) NOTE: Loosen each bolt and nut 114 turn, and remove them after all are loosened
2Remove: Upper crankcase Dowel pins
Split crankcase by lightly striking the front and rear parts of the upper crankcase