Section 4 - Specifications
Page 62
90-899883169 DECEMBER 2007
Engine Specifications
NOTE: Performance specifications are obtained and corrected in accordance with SAE
J1228/ISO 8665 Crankshaft Power.
All measurements are taken with the engine at normal operating temperature.
RPM range is measured using an accurate service tachometer with the engine at normal
operating temperatures.
Oil pressure must be checked with the engine at normal operating temperature.
Models
5.0 MPI and SeaCore 5.0
Power
194 kW (260 hp)
Number of cylinders
8
Displacement
5.0 L (305 cid)
Bore and stroke
94.89 × 88.39 mm (3.735 × 3.48 in.)
Compression ratio
9.4:1
Idle RPM in neutral
600
Specified WOT RPM range
4600–5000
Minimum oil pressure at idle
41 kPa (6 psi)
Thermostat (seawater‑cooled models)
71° C (160° F)
Thermostat (closed cooling models)
77° C (170° F)
Timing at idle
Not adjustable
Firing order
1‑8‑4‑3‑6‑5‑7‑2
Electrical system
12 V negative (–) ground
Alternator rating
65 A
Recommended minimum battery rating (non‑DTS models)
750 CCA, 950 MCA, or 180 Ah
Recommended minimum battery rating (DTS models)
800 CCA, 1000 MCA, or 190 Ah
Spark plug type
AC Platinum (AC 41‑993)
Spark plug gap
1.5 mm (0.060 in.)
Fluid Specifications
IMPORTANT: All capacities are approximate fluid measures.
Engine
IMPORTANT: Always use the dipstick to determine the exact quantity of oil or fluid required.
All Models
Capacity
Fluid Type
Engine oil (with filter)
4.25 L (4.50 US qt) Mercury Full‑Synthetic MerCruiser Engine
Oil 20W‑40
Seawater cooling system (winterization use
only)
20 L (21 US qt)
Propylene glycol and purified water
Closed cooling system
18 L (19 US qt)
Mercury Extended Life Coolant Antifreeze
or extended life ethylene glycol 5/100
antifreeze mixed 50/50 with purified water
Alpha Sterndrive
NOTE: Oil capacity includes gear lube monitor.
Model
Capacity
Fluid Type
Alpha One
1892 mL (64 oz)
High Performance Gear Lubricant
Summary of Contents for Axius SeaCore 350 MAG
Page 66: ...Section 3 On the Water Notes Page 58 90 899883169 DECEMBER 2007 ...
Page 72: ...Section 4 Specifications Notes Page 64 90 899883169 DECEMBER 2007 ...
Page 74: ...Section 5 Maintenance Page 66 90 899883169 DECEMBER 2007 ...
Page 140: ...Section 6 Storage Notes Page 132 90 899883169 DECEMBER 2007 ...
Page 146: ...Section 7 Troubleshooting Notes Page 138 90 899883169 DECEMBER 2007 ...