Block Water Pressure Is Below Specification; Block Water Pressure Is Above Specification - Mercury HP 500 EFI Bravo XR/XZ/III User Manual

Block Water Pressure Is Below Specification

(DUAL WATER INLET GEARCASE)
Possible Cause
Insufficient water supply.
Block Water Pressure Is Below Specification
(LOW WATER INLET GEARCASE)
Possible Cause
Insufficient water supply.

Block Water Pressure Is Above Specification

(DUAL AND LOW WATER INLET GEARCASE)
Possible Cause
High boat speed causing high Hi h b t
ram pressure ram pressure
500 EFI Bravo
TROUBLESHOOTING
pp y
d i hi h
Remedy
Lower the "X" dimension.
Plug upper 4 strut water holes.
Install low water pickup
gearcase.
Install a transom or
through-hull water pickup.
Remedy
Lower the "X" dimension.
Change propeller that reduces Change propeller that reduces
trim out positioning.
Remedy
Install water bypass kit
(Available at MerCruiser (Available at MerCruiser
Dealerships) Dealerships)
135