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Nissan A12A Engine Specifications
The Nissan A12A is a 1.24 l (1,237 cc, 75.5 cubic inches)
four-cylinder four-stroke gasoline engine from Nissan A-family. The
engine was manufactured by Nissan Motor Company from 1977 to 1982.
The A12A motor uses a lightweight cast-iron block and an aluminum
cylinder head, with overhead valves and a single camshaft. The engine
was equipped with a two-barrel carburetor. Bore and stroke are 75.0 mm
(2.95 in) and 70.0 mm (2.76 in). The A12A produced 69.0 PS
(51.0 KW; 68.0 HP) at 6,000 rpm of max power.
Engine code identification:
A - Engine Family
12 - 1.2 Liter Displacement
| GENERAL TECHNICAL DATA |
Engine model ............... A12A
Cylinder layout ............... Four stroke, Inline-4 (Straight-4)
Fuel type ............... Gasoline (petrol)
Production years ............... 1977-1982
Total displacement ............... 1.2 L, 1,237 cc (75.5 cubic inches)
Fuel system ............... Carburetor type
Power adder ............... None
Maximum power ............... 69.0 PS (51.0 KW; 68.0 HP) at 6,000 rpm
Maximum torque ............... No data available
Firing order ............... 1-3-4-2
Dimensions (L x W x H) ............... No data available
Weight ............... No data available
| CYLINDER BLOCK |
The A12A has a cast-iron cylinder block utilizes a five-bearing
supported system. The cylinder bore is 75.0 mm (2.95 in) and the stroke
is 70.0 mm (2.76 in). The A12A engine has two compression and a single
oil control ring.
Cylinder block alloy ............... Cast iron
Compression ratio ............... No data available
Cylinder bore ............... 75.0 mm (2.95 in)
Piston stroke ............... 70.0 mm (2.76 in)
Number of piston rings (compression / oil) ............... 2 / 1
Number of main bearings ............... 5
Cylinder inner diameter (standard) ............... 75.000-75.050 mm
(2.9527-2.9547 in)
Piston skirt diameter (standard) ............... 74.967-75.017 mm
(2.9514-2.9534 in)
Connecting rod center distance ............... 121.5 mm (4.78 in)
| CYLINDER HEAD |
Valve Arrangement ............... OHV, chain drive
Valves ............... 8 (2 valves per cylinder)
| MAINTENANCE DATA |
Cylinder compression
Standard ............... 13.5 kg/m2 (192 psi) / 350 rpm
Minimun ............... 12.5 kg/m2 (178 psi) / 350 rpm
Oil system
Oil consumption , L/1000 km (qt. per miles) ............... up to 0.5 (1
qt. per 1200 miles)
Recommended engine oil ............... 5W-30, 5W-40, 10W-30, 10W-40
Engine oil capacity (Refill capacity) ............... With oil filter
3.3 l (3.5 qt.)
Without oil filter 2.8 l (3.0 qt.)
Oil change interval, km (miles) ............... 5,000-10,000
(3,000-6,000)
Ignition system
Ignition coil ............... NGK: BP5ES
Spark plug gap ............... 0.8 - 0.9 mm (0.031 - 0.035 in)
| VEHICLE APPLICATIONS |
Model ............... Years Produced
Datsun Sunny (B310) ............... 1977-1980
Datsun 210 (USA and Canada version of Sunny B310) ...............
1979-1982
Nissan Cherry (F10, F-II) ............... 1974-1979
Datsun Cherry (N10) ............... 1978-1982
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| Engines Technical Specifications |