Mercury 300XS OptiMax User Manual

MAINTENANCE
73
!
WARNING
Avoid equipment damage, serious injury or death. Visually
inspect all steering attachment components for wear, lubricate
all attachment hardware, and check for proper torque tightness
in accordance with the inspection and maintenance schedule.
or79
a
b
c
d
a - Special washer head
bolt (P/N 10-849838)
b - Nylon Locknut - used on
head bolt (P/N
11-826709113)
c - Flat washer (2)
d - Nylon Locknut - used on
cable coupler (P/N
11-826709113)
1. Assemble steering link rod to steering cable coupler with two
flat washers "c" and a self-locking nylon insert locknut "d."
Tighten the locknut until it seats, then loosen ¼ turn.
2. Assemble the steering link rod to the engine with the special
washer head bolt "a" and self locking nylon insert locknut "b."
3. Torque the head bolt, then the locknut to specifications.
Description Nm lb. in. lb. ft.
Cable Coupler Nylon Locknut "d"
Tighten locknut until it seats, then
loosen ¼ turn.
Head Bolt Nylon Locknut "b" 27 20
Special washer head bolt 27 20
Fuses
IMPORTANT: Always carry spare 5 and 20 amp fuses.

Mercury 300XS OptiMax Specifications

General

Engine Type	2-Stroke
Horsepower	300 HP
Alternator Output	60 amp / 756 watt
Gear Ratio	1.75:1
Starting System	Electric
Fuel System	2-Stage Direct Fuel Injection (DFI)
Weight	505 lbs / 229 kg
Cylinders	6
Steering	Hydraulic
Shaft Length	25"