Service Information
7) Cooling Water Check Port
Check that cooling water check port 1 discharges water
during engine operation.
1
8) Trim Tab
Adjustment of trim tab angle
After installing outboard motor on the boat, use trim tab to
achieve balance between port and starboard steering
loads. Loosen trim tab nut or bolt 2, adjust angle of trim
1
tab 1 as described below, and then tighten the nut to
2
specified torque.
Trim Tab Nut or bolt 2 :
2 Trim Tab
Do not reuse.
13 N · m (9 lb · ft) [1.3 kgf · m]
Example of Adjustment
å If it is necessary to steer to starboard to make boat run
straight or if boat steers itself to port when steering is
held amidships, move trailing edge of trim tab to port
side, or
3
∫ If it is necessary to steer to port to make boat run
å ∫
straight or if boat steers itself to starboard when
steering is held amidships, move trailing edge of trim
tab to starboard side.
Change trim tab angle a little for each test run and
1 1
repeat the process several times until the best
2 2
position is found.
3 3
1 Trim Tab
2 Anti-Ventilation Plate
3 Steering Pivot (Swivel Shaft)