Fluid Specifications; Engine; Sterndrive-Bravo - MerCruiser Axius 350 MAG User Manual

Section 4 - Specifications
Models
Power
Number of cylinders
Displacement
Bore and Stroke
Compression ratio
Idle RPM in neutral
Specified WOT RPM range
Minimum oil pressure at idle
Thermostat (seawater‑cooled models)
Thermostat (closed cooled models)
Timing at idle
Firing order
Electrical system
Alternator rating
Recommended minimum battery rating
Spark plug type
Spark plug gap

Fluid Specifications

IMPORTANT: All capacities are approximate fluid measures.

Engine

IMPORTANT: It may be necessary to adjust oil levels depending on installation angle and
cooling systems (heat exchanger and fluid lines).
Always use the dipstick to determine the exact quantity of oil or fluid required.
All Models
Engine oil (with filter)
Seawater cooling system (winterization
use only)
Closed cooling system
Sterndrive—Bravo
NOTE: Oil capacity includes gear lube monitor.
Model
Bravo Three with dual water pickups
Bravo Three with side water pickups only
Page 66
Axius and Axius SeaCore
350 MAG
224 kW (300 hp)
5.7 L (350 cid)
101.6 × 88.39 mm
(4.00 × 3.48 in.)
9.4:1
41 kPa (6 psi)
71° C (160° F)
77° C (170° F)
Not Adjustable
1‑8‑4‑3‑6‑5‑7‑2
12‑Volt Negative (‑) Ground
800 CCA, 1000 MCA, or 190 Ah
AC Platinum (AC 41‑993)
1.5 mm (0.060 in.)
Capacity
Mercury/Quicksilver Synthetic Blend
4.25 liters (4.5 U.S. qt.)
MerCruiser Engine Oil 25W‑40
20 liters (21 U.S. qt.) Propylene Glycol and Purified Water
Mercury Extended Life Coolant/
Antifreeze or Extended Life Ethylene
19 liters (20 U.S. qt.)
Glycol 5/100 Coolant/Antifreeze mixed
50/50 with Purified Water
Capacity
2736 mL (92‑1/2 oz)
2972 mL (100‑1/2 oz)
90-899883234 JANUARY 2008
Axius and Axius SeaCore
377 MAG
238 kW (320hp)
8
6.2 L (377 cid)
101.6 × 95.25 mm
(4.00 × 3.75 in.)
9.0:1
600
4800–5200
65 A
Fluid Type
Fluid Type
High Performance Gear Lubricant