Mercury MerCruiser 5.7 MPI User Manual

Section 4 - Specifications
Page 56 90-899883173 DECEMBER 2007
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 MerCruiser Full-Synthetic Engine Oil, 20W-40, NMMA FC-W rated
MerCruiser/Quicksilver 25W-40 Synthetic Blend, NMMA FC-W rated 4-cycle 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
31655
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.
Model 5.7 MPI and Horizon 5.7
Power 224 kW (300 hp)
Displacement 5.7 L (350 cid)
Specified WOT RPM range 4600–5000
Idle RPM in neutral 600
Minimum oil pressure at idle 41 kPa (6 psi)
Thermostat (seawater cooled models) 71° C (160° F)
Thermostat (closed cooled 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
Minimum battery rating (non‑DTS models) 750 CCA, 950 MCA, or 180 Ah
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.)

Mercury MerCruiser 5.7 MPI Specifications

General

Brand	Mercury
Model	MerCruiser 5.7 MPI
Category	Engine
Language	English