Mercury MerCruiser Axius SeaCore 350 MAG, Manual

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Section 4 - Specifications
Page 68 90-8M0050539
eng
MAY 2011
NOTE: We do not recommend non‑detergent oils, multi‑viscosity oils (other than as specified), non FC‑W–rated synthetic oils,
low‑quality oils, or oils that contain solid additives.
Mercury Full-Synthetic MerCruiser Engine Oil, 20W-40, NMMA FC-W rated
MerCruiser/Quicksilver 25W-40 Synthetic Blend, NMMA FC-W rated 4-cycle MerCruiser oil
Other recognized brands of NMMA FC-W rated oils
SAE 20W
SAE30W
SAE40W
AIR TEMPERATURE
ORDER OF PREFERENCE
(32° F)
0° C
(50° F)
10° C
32878
Mercury/Quicksilver 25W-40, NMMA FC-W rated 4-cycle MerCruiser oil
350 MAG, SeaCore 350 MAG
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.
NOTE: Oil pressure specifications are for reference and may vary.
IMPORTANT: Do not mix spark plug types in an engine. All spark plugs should have the same part number.
Propshaft power
224 kW (300 hp)
Displacement
5.7 L (350 cid)
Alternator amperage
Hot 72 A
Cold 65 A
RPM
WOT 4800–5200
Rev limiter 5350
Idle in neutral 550
Minimum oil pressure
At 2000 RPM 124 kPa (18 psi)
At idle 41 kPa (6 psi)
Thermostat
Seawater‑cooled models 71° C (160° F)
MPI models with closed cooling 77° C (170° F)
Timing at idle
Not Adjustable
Firing order
1‑8‑4‑3‑6‑5‑7‑2
Minimum battery rating
Non‑DTS models 750 CCA, 950 MCA, 180 Ah
DTS models 800 CCA, 1000 MCA, 190 Ah
Spark plug type
AC Platinum (AC 41‑993)
AC Platinum (AC 41‑101)
Spark plug gap
1.5 mm (0.060 in.)
Emission control system
Electronic engine control (EC)