Timing Belt Inspection - Mercury 40 Jet Manual

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.
a
j
a - Spare fuse slot
b - Diagnostic circuit 4 pin connector ‑ 2 amp fuse
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 ‑ 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.
MAINTENANCE
b
2
5
c
i
79
e
d
15
25
20 25
h
28900
f
g