Mercury 40 4-Stroke User Manual

MAINTENANCE
56
Open the fuse holder and look at the silver colored band inside the fuse. If band is broken, replace the
fuse. Replace fuse with a new fuse with the same rating.
20
15
25
25
20
2
5
j
i
a
b
c
d
e
f
g
h
28900
a - Spare fuse slot
b - Diagnostic circuit 4-pin connector
c - SmartCraft data bus circuit - 5 amp
fuse
d - Main circuit - 25 amp fuse
e - Spare 20 amp fuse
f - Main relay/accessories - 15 amp fuse
g - Ignition coil circuit - 25 amp fuse
h - Fuel pump/idle air control/fuel injector
circuits - SFE 20 amp fuse
i - Blown fuse
j - Good fuse
Timing Belt Inspection
1. Inspect the timing belt and have it replaced by an authorized dealer if any of the following
conditions are found.
a. Cracks in the back of the belt or in the base of the belt teeth.
b. Excessive wear at the roots of the cogs.
c. Rubber portion swollen by oil.
d. Belt surfaces roughened.
e. Signs of wear on edges or outer surfaces of belt.
26958
Lubrication Points
1. Lubricate the following with Quicksilver or Mercury Precision Lubricants Anti-Corrosion Grease
or 2-4-C with Teflon.

Mercury 40 4-Stroke Specifications

General

Engine Type	4-Stroke
Horsepower	40 hp
Cylinders	3
Fuel Induction System	Electronic Fuel Injection (EFI)
Starting	Electric
Displacement	747 cc
Shaft Length	20 in
Dry Weight	216 lbs
Steering	Remote
Alternator Amp	18 amp / 226 watt
Full Throttle RPM	5500 - 6000 RPM