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Mercruiser Engine Specifications
(4.3L/V-6 Models)
|
Models
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4.3L
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4.3LH
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4.3L EFI
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Propshaft Horsepower
(SAV1 Rating)
|
1901
|
2051
(1902)
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2101
(1882)
|
|
Propshaft Kilowatts
(SAV1 Rating)
|
1421
|
1531
(1422)
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1571
(1402)
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Displacement
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262 cid (4.3 l)
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|
Maximum rpm @ WOT3
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4400-4800 rpm
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Idle rpm in NEUTRAL
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650 rpm5
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600 rpm6
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Oil Pressure @ 2000 rpm
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30-70 psi (207-483 kPa)
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Min. Oil Pressure @ Idle
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4 psi (28 kPa)
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Thermostat
|
160o F (71o C)
|
|
Timing @ Idle rpm4
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10o BTDC
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8o BTDC
|
|
Firing Order
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1-6-5-4-3-2
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Electrical System
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12-Volt Negative (-) Ground
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|
Alternator Rating – Hot
Operating Amps
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65 Amps
|
|
Alternator Rating – Cold
Operating Amps
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72 Amps
|
|
Recommended
Battery
Rating (Minimum)
|
375 cca/
475 mca/ 90 Ah
|
550 cca/
700 mca/120 Ah
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1 Power Rated in Accordance with NMMA (National Marine Manufacturers’ Association) rating procedures.
2 Power Rated in Accordance with SAV 1 rating procedures. Horsepower differences shown result from differences in test rpm, allowable test tolerances, and/or installation of special kit components.
3 Measured using an accurate service tachometer with engine at normal operating temperature.
4 A special procedure must be followed to check or adjust timing. Consult your Authorized mercury MerCruiser Dealer before attempting this procedure.
5 A special procedure must be followed to adjust idle rpm. Consult your Authorized Mercury MerCruiser Dealer before attempting this procedure.
6 Idle speed on EFI models is not adjustable.
