Mercury Racing 1550 STERNDRIVE, Operation, Maintenance & Warranty

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4 - O
PERATION
30 90-8M0114812 JANUARY 2016
q - Accessory fuses
r - Trim pump down relay
s - Trim pump up relay
t - Fuel pump relays
u - Port fuse holder
Starboard Fuse
Holder ‑ a
Port Fuse Holder ‑
u Accessory Fuses ‑ q
(1)—Cyl. 6 coil and
fuel injector
(1)—Cyl. 5 coil and
fuel injector
(1)—Wastegate actuators
(2)—Cyl. 2 coil and
fuel injector
(2)—Cyl. 1 coil and
fuel injector
(2)—Main power relays and
diagnostic fuse feed
(3)—Cyl. 8 coil and
fuel injector
(3)—Cyl. 7 coil and
fuel injector
(3)—Shift relays
(4)—Cyl. 4 coil and
fuel injector
(4)—Cyl. 3 coil and
fuel injector
(4)—(+) 12 volt power
R
EMOTE
C
ONTROLS
(C
ONSOLE
M
OUNTED
Z
ERO
E
FFORT
)
1. Shift only with the engine at idle speed. Always move to the
desired gear position with a quick, firm motion.
2. The throttle control handle friction is adjustable using a 5/16 in.
hex head wrench; clockwise increases friction.
a - Trim switch
b - Port friction adjustment
c - Starboard friction adjustment
a
b
c
45691
S
TARTING
, S
HIFTING
,
AND
S
TOPPING
!
WARNING
Explosive fumes contained in the engine compartment can cause
serious injury or death from fire or explosion. Before starting the
engine, operate the bilge blower or vent the engine compartment
for at least five minutes.
N
EW
E
NGINES OR
E
NGINES
C
OMING
O
UT OF
S
TORAGE
IMPORTANT: Observe the following:
• Do not start the engine without supplying water to the seawater
pickup pump (to prevent pump or engine damage).
• Never shift the drive unit unless the engine is at idle RPM.
Perform the following as appropriate:
Check all items listed in
Operation Chart.
Perform any other necessary checks, as indicated by your
dealer, or specified in your boat owner's manual.
Place the drive unit in the full down/in position.
Place the control handle in neutral.
C
OLD OR
W
ARM
E
NGINE
EFI engines require no throttle advance to start. The boat can be
operated after the engine has started and is idling smoothly.