Yamaha F100B F100C Outboards Factory Service Manual, Page 248Get this manual
Bracket unit
5Install the manual valve to the pump housing, tighten it to the specified torque, and then install the circlip B
6Install the new O-ring to the downrelief valve E7Install the filters and down-relief valve into the pump housing as shown
Installing the pump housing
1Install the ball and pin into the valve seat 3T
2Install the valve seat 3, new O-rings 4, and valve pin into the cylinder body
Pump housing bolt 7: Nm (0.9 kgfm, 6.5 ftlb) Manual valve A: Nm (0.3 kgfm, 2.2 ftlb)