Mercury 10 TwoStroke Operation, Maintenance & Installation Manual page 52

1. Shift outboard to neutral (N) position.
N
F
R
The neutral‑speed‑protection device is inoperative when starting the engine
with the emergency starter rope. Set the engine speed at idle and the gear
shift in neutral to prevent the outboard from starting in gear.
2. Remove the fuel filter.
OPERATION
28577
3022
!
N
WARNING
3032
42
26838
eng