2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 204Get this manual
Clamp bracket and swivel bracket (manual tilt model)
Removing the clamp bracket
1Remove the tilt pin 1, and then remove the clamp bracket bolt 2, clamp bracket nut, and collar2Remove the tilt stopper plate bolts (swivel bracket side)3Remove the self-locking nut and hanger 54Remove the through tube and tilt lock lever 7, and then disassemble the clamp bracketsNOTE: Unhook tilt lock rod from the tilt lock lever when removing it5Remove the tilt stopper plate bolts (clamp bracket side) and tilt stopper plates 0