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Mercury 305 CID - Engine Connections

Mercury 305 CID
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2C-6 - INSTALLATION - BRAVO DRIVES 90-823225--1 1096
Engine Connections
IMPORTANT: When routing all wire harnesses
and hoses, be sure they are routed and secured
to avoid coming in contact with hot spots on en-
gine and avoid contact with moving parts.
1. Connect seawater hose to water tube at gimbal
housing with hose clamp. Tighten clamp se-
curely.
NOTE: In the following view the engine is not in
position, for visual clarity in this step.
b
c
72590
a
a - Water Inlet Tube
b - Hose Clamp (Tighten Securely)
c - Seawater Inlet
2. Connect instrument harness to engine harness
with hose clamp. Tighten clamp securely.
72025
b
c
a
a - Engine Wiring Harness Receptacle Bracket
b - Instrumentation Wiring Harness Plug
c - Hose Clamp - Tighten Securely
3. Connect trim position sender leads from gimbal
housing to leads from engine harness.
72582
b
c
d
a
a - BROWN/WHITE (From Engine Harness)
b - BLACK (From Engine Harness)
c - BLACK (From Transom)
d - BLACK (From Transom Assembly)
!
WARNING
Be careful when working on fuel system. Gaso-
line is extremely flammable and highly explosive
under certain conditions. Do not smoke or allow
spark or open flame in area. Wipe up any spilled
fuel immediately.
FUEL SUPPLY CONNECTIONS
!
WARNING
Avoid gasoline fire or explosion. Improper instal-
lation of brass fittings or plugs into fuel pump or
fuel filter base can crack casting and/or cause a
fuel leak.
Apply #592 Loctite Pipe Sealant with Teflon to
threads of brass fitting or plug. DO NOT USE
TEFLON TAPE.
Thread brass fitting or plug into fuel pump or fuel
filter base until finger tight.
Tighten fitting or plug an additional 1-3/4 to 2-1/4
turns using a wrench. DO NOT OVER-TIGHTEN.
Install fuel line. To prevent over-tightening, hold
brass fitting with suitable wrench and tighten fuel
line connectors securely.
Check for fuel leaks.

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