Fuel Hose Connection; Oil Hose Connections; Speedometer Tubing Connection; Water Pressure Tubing Connection - Mercury 150 EFI Service Manual

OUTBOARD MOTOR INSTALLATION

Fuel Hose Connection

Fuel Hose Size – Minimum fuel line inside diameter (I.D.) is 5/16 in. (8mm), with separate
fuel line/fuel tank pickup for each engine.
Fasten remote fuel hose to fitting with hose clamp.

Oil Hose Connections

Connect the remote oil hoses to the engine hose connections as shown. Fasten hose con-
nections with sta-straps.

Speedometer Tubing Connection

This outboard has a speedometer water pick-up located in the leading edge of the gear
case. If you want to use this water pickup for the speedometer, connect the water tubing
as shown.

Water Pressure Tubing Connection

If the boat is equipped with a water pressure gauge, make the water connection to this
tubing as shown.
h
i
j
a -
b -
c -
d -
e -
f -
g -
h -
i -
j -
k -
l -
Page 1D-8
f
g
l k
Remote Fuel Hose
Hose Clamp – Secure Remote Fuel Hose
Oil Hoses with Blue Stripe - Secure With Sta-Strap
Oil Hoses without Blue Stripe - Secure With Sta-Strap
Sta-Strap (2) - Secure Oil Hoses
Speedometer Water Pickup Tubing (Black Color)
Water Pressure Tubing (Gray Color)
Coupler – Push In on End of Coupler to Disconnect Plug or Tubing
Plug – Remove when Making Coupler Connection
Barb Hose Fitting (2) Provided with Outboard – Install this fitting into Coupler, if
a Rubber Hose Connection is Required
Speedometer Hose – Insert the barb hose fitting (j) into Coupler and Connect
Hose
Water Pressure Tube – Insert into coupler, pull on tube to verify that it is locked
a
b
c
d
e
90-883728 JULY 2001