Description Specifications
Cooling system type
Twin circuit cooling system:
Closed‑cooling system with separate expansion tank,
thermostat controlled
Heat exchange system cooled with a seawater/freshwater
impeller pump
Overpressure valve opening 1.4–1.6 bar (20.3–23.2 psi)
Coolant temperature (maximum) 105 °C (221 °F)
Coolant specification 50% water and 50% antifreeze (lilac colored)
Oil temperature (maximum) 135 °C (275 °F)
Oil volume difference between minimum and maximum
markings on the dipstick
1.3 L (1.4 US qt)
Electrical system 12‑volt negative (–) ground
Alternator rating 2160 W, 12 V
Recommended battery rating* 750 CCA, 950 MCA, or 180 Ah
*Battery manufacturers may rate and test their batteries to different standards. MCA, CCA, Ah, and reserve capacity (RC) are
the ratings recognized by Mercury Marine. Manufacturers that use standards different than these, such as equivalent MCA, do
not meet Mercury Marine battery requirements.
Fluid Specifications
Engine Fluid Capacity
IMPORTANT: It may be necessary to adjust the fluid levels depending on installation angle and cooling systems (heat
exchanger and fluid lines).
All models
Capacity Fluid Type Part Number
Engine oil with filter 8.0 L (8.45 US qt) 5W‑30 8M0069602
Closed cooling system 9.0 L (9.5 US qt)
Marine Engine Coolant
(lilac colored)
877770K1
Bravo Sterndrive Fluid Specifications—Diesel
Sterndrive Model
Fluid Capacity includes the Sterndrive and the
Gear Lube Monitor
Fluid Type Fluid Part Number
Bravo One X Diesel 2736 ml (92.5 oz)
High Performance Gear Lubricant 92‑858064K01Bravo Two X Diesel 3209 ml (108.5 oz)
Bravo Three X Diesel 2972 ml (100.5 oz)
Power Steering and Power Trim Fluids
Approved Power Steering Fluids
Description
Part Number
Power Trim and Steering Fluid 92‑802880A1
Dextron III Automatic Transmission Fluid Obtain Locally
Approved Power Trim Fluids
Description
Part Number
Power Trim and Steering Fluid 92‑802880A1
SAE Engine Oil 30W Obtain locally
SAE Engine Oil 40W Obtain locally
Approved Paints
Description
Part Number
Mercury Light Gray Primer 92‑802878 52
Section 3 - Specifications
Page 36 90-8M0145546 eng MAY 2018
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