Engine Specifications; 3.0 Tks - MerCruiser 3.0 TKS User Manual

4. A good‑grade, straight‑weight detergent automotive oil per the operating chart below.
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.

Engine Specifications

3.0 TKS

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.
Propshaft power
Displacement
Alternator amperage
RPM
Minimum oil pressure
Thermostat
Timing at idle
Firing order
Minimum battery rating
Spark plug type
Spark plug gap
90-879288268 JULY 2009
eng
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
Mercury/Quicksilver 25W-40, NMMA FC-W rated 4-cycle MerCruiser oil
Other recognized brands of NMMA FC-W rated oils
SAE 20W
0° C
(32° F)
AIR TEMPERATURE
Hot
Cold
WOT
Rev limiter
Idle in neutral
At 2000 RPM
At idle
Seawater‑cooled models
Models with closed cooling
SAE30W
10° C
(50° F)
375 CCA, 475 MCA, 90 Ah
Section 4 - Specifications
SAE40W
32878
101 kW (135 hp)
3.0 L (181 cid)
72 A
65 A
4400–4800
4950
700
207 kPa (30 psi)
28 kPa (4 psi)
71° C (160° F)
2° ATDC
1‑3‑4‑2
AC MR43LTS
Champion RS12YC
NGK BPR6EFS
0.9 mm (0.045 in.)
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