MerCruiser 3.0 TKS, User Manual

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Section 4 - Specifications
90-8M0053372
eng
NOVEMBER 2010 Page 41
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.
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
Engine Specifications
4.3 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.
IMPORTANT: Do not mix spark plug types in an engine. All spark plugs should have the same part number.
Propshaft power
142 kW (190 hp)
Displacement
4.3 L (262 cid)
Alternator amperage
Hot 72 A
Cold 65 A
RPM
WOT 4400–4800
Rev limiter 4950
Idle in neutral 650
Minimum oil pressure
At 2000 RPM 124 kPa (18 psi)
At idle 28 kPa (4 psi)
Thermostat
Seawater‑cooled models
71° C (160° F)
Models with closed cooling
Timing at idle
10° BTDC
Firing order
1‑6‑5‑4‑3‑2
Minimum battery rating
375 CCA, 475 MCA, 90 Ah
Spark plug type
AC Platinum (AC 41‑993)
AC Platinum (AC 41‑101)
Spark plug gap
1.5 mm (0.060 in.)