Mercury 300R HD CMS Mechanical User Manual

IMPORTANT: Replace the fuse with a new fuse with the same amp rating.
a - Ignition coils ‑ 20 amp
b - Oxygen sensor ‑ 10 amp
c - Fuel pumps ‑ 20 amp
d - Diagnostics ‑ 2 amp
e - Fuel injectors ‑ 20 amp
f - Advanced sound control driver ‑ 5 amp
g - Power driver ‑ 20 amp
h - Spare fuses (3)
i - Good fuse
j - Open fuse
Alternator Drive Belt
The alternator drive belt is located under the flywheel shroud–intake air
induction plenum. The alternator drive belt inspection must be completed by an
authorized Mercury dealer at the recommended interval. Refer to Inspection
and Maintenance Schedule.
Lubrication Points
1. Lubricate the following with Extreme Grease or 2‑4‑C with PTFE.
Tube Ref
No.
Description Where Used Part No.
Extreme Grease Swivel bracket, tilt lock, propeller shaft 8M0071842
63805
j
5
20
2
10
20
20
20
a
b
c
d
e
f
g
SPARE FUSES
h
i
MAINTENANCE
66 eng

Mercury 300R HD CMS Mechanical Specifications

General

Brand	Mercury
Model	300R HD CMS Mechanical
Category	Outboard Motor
Language	English