MAINTENANCE SERVICE MANUAL NUMBER 22
Page 1B-4 90-860074--1 FEBRUARY 2002
Engine Specifications
Sterndrive (MCM) Engines
Specification - Sterndrive (MCM)
Description
D2.8L D-Tronic D4.2L D-Tronic
Crankshaft Kilowatts (Horsepower)
1
123 ( 165 ) 186 ( 250 )
Propeller Shaft Kilowatts (Horsepower)
1
112 ( 150 ) 168 ( 225 )
Engine Type
In-Line 4 Cylinder
Diesel
In-Line 6 Cylinder
Diesel
Displacement 2.8 liter (169 cu. in.) 4.2 liter (254 cu. in.)
Firing Order 1 - 3 - 4 - 2 1 - 5 - 3 - 6 - 2 - 4
Bore 94 mm ( 3.700 in. )
Stroke 100 mm ( 3.937 in. )
Compression Ratio 16.5:1
Valve Clearance - Intake / Exhaust Hydraulic
Maximum Pressure Difference Between
Cylinders
500 kPa ( 72 psi )
Maximum High Idle No Load rpm 4200 ± 50
Governed rpm Setting (Begins At:) 3850 ± 50
Rated rpm at Wide-Open-Throttle
2
3800
700
3
Low Idle rpm
600
4
Oil Pres-
750 rpm 1.5 - 3.1 bar [152-310 kPa] ( 22-45 psi )
Oil Pres-
sure:
3800 rpm 3.5 - 5.6 bar [345-556 kPa] ( 50-80 psi )
Oil Temperature
100 - 110 degrees C
( 212 - 230 degrees F )
Thermo-
Water: ( 2 Total )
1 at temperature:
70 degrees C ( 160 degrees F )
stats:
1 at temperature: 82 degrees C ( 180 degrees F )
Oil: 95 degrees C ( 203 degrees F )
Coolant Temperature 80 - 85 degrees C ( 176 - 185 degrees F )
Electrical System 12-volt Negative ( – ) Ground
Alternator Rating 949W, 14.6v, 65 Amp.
Recommended Battery Rating 750 cca, 950 mca, or 180 Ah
Starter 12v, 2.7 kW
1
Power rated in accordance with NMMA Procedure - ISO 3046 (Technically Identical to ICOMIA
28-83).
2
Refer to Conditions Affecting Operation - Propeller Selection for additional information.
3
Mercury Serial Number 0L343084 and Below on D2.8L D-Tronic Engines. Mercury Serial Number
0L343703 and Below on D4.2L D-Tronic Engines.
4
Mercury Serial Number 0L343085 and Above on D2.8L D-Tronic Engines. Mercury Serial Number
0L343704 and Above on D4.2L D-Tronic Engines.
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