Mercury GO BOLDLY SeaPro 500hp Operation And Maintenance Manual page 93

NOTE: Two clicks will indicate that the latch hook is engaged.
a
5. Using an M10 hex socket, and an 18 in. extension, tighten the two internal
fasteners to the specified torque.
a
Description
Internal fasteners (2)
eng
MAINTENANCE
a - Port side latch hook fastener—
counterclockwise
b - Starboard side latch hook fastener—
clockwise
c - Middle cowl
b
c
71935
a
a - Fastener (2)—M10
hex socket and 18 in.
extension required
b - Top cowl
b
71890
Nm
20
83
lb‑in. lb‑ft
– 14.75