Mercury 60 FourStroke EFI Formula Race Manual page 93

OUTBOARD INSTALLATION
4. Thread the water pressure gauge hose through the bottom
cowl along side the main engine harness.
a - Hole in bottom cowl
where main engine
harness is routed.
5. Install the water pressure gauge hose to the hose fitting.
6. Secure the hose along side the engine to prevent flow
restrictions.
a
b -
85
33672
Approximate location of
water pressure access
port.
b