Mercury 225 Manual page 136

Make the water pressure gauge hose connection to the tubing as
shown.
c
e
d
a - Water pressure tube
b - Speedometer water pickup tube (if required)
c - Coupler
d - Plug
e - Barb hose fitting
f - Speedometer hose or tubing
g - Water pressure tube
h - Remote fuel hose
i - Hose clamp
j - Oil hose with blue stripe
k - Oil hose without blue stripe
l - Cable tie
OUTBOARD INSTALLATION
a
g f
b
j
i
h
124
k
l
j
k
29069
eng