Section 4 - Specifications
Page 48 90-899883272 MARCH 2008
Engine Specifications
NOTE: Performance is obtained and corrected in accordance with SAE J1228/ISO 8665
Crankshaft Power.
Models 3.0 MPI
Power 101 kW (135 hp)
Number of cylinders 4
Displacement 181 cid (3.0 L)
Compression ratio 9.25:1
Idle RPM in neutral 700
Idle RPM in gear 725
Max RPM at WOT 4400–4800
Minimum oil pressure at idle 28 kPa (4 psi)
Electrical system 12 V negative (–) ground
Minimum battery requirement 375 CCA, 475 MCA, 90 Ah
Firing order 1‑3‑4‑2
Spark plug type
AC ‑ MR43LTS
Champion RS12YC
NGK BPR6EFS
Spark plug gap 1.143 mm (0.045 in.)
Timing in base timing mode PCM Controlled
Thermostat 71° C (160° F)
Fluid Specifications
Sterndrives
NOTE: Oil capacity includes the drive lube monitor.
Model Capacity Fluid Type
Alpha One 1892 mL (64 oz) High Performance Gear Lubricant
Engine
IMPORTANT: All capacities are approximate fluid measures.
3.0 MPI Capacity Fluid Type
Engine oil (with filter) 3.8 L (4 US qt)
Mercury Full‑Synthetic MerCruiser 20W‑40, NMMA FC‑W rated
oil.
Seawater cooling system 9 L (8.5 US qt) Propylene glycol and purified water
Closed cooling system 9 L (8.5 US qt)
Mercury Extended Life Coolant Antifreeze or extended life
ethylene glycol 5/100 antifreeze mixed 50/50 with purified water
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