The Honda D15A is a 1.5 l (1,488 cc, 90.8 cu-in) straight-4, four-stroke cycle gasoline engine from Honda D -family. The engine was manufactured since 1984 to 1987.
A 74 mm (2.91 in) cylinder bore and 86.5 mm (3.41 in) piston stroke give the motor a total of 1,488 cc of displacement.
The Honda D15A motor versions:
D15A1 – this is the first engine of the D-series. The engine is equipped with a PGM carburetor, single overhead camshaft with 3 valves per cylinder (12 in total). The D15A1 has compression ratio rating of 9.2:1 and used on Honda CRX from 1984 to 1987. The engine produced 77 PS (57 kW; 76 HP) at 5,500 rpm of horsepower and 114 Nm (11.6 kg·m; 84 ft·lb) at 3,500 rpm. Redline is 6,500 rpm
D15A2 – it is (SOHC, single overhead camshaft) engine with 2 valves per cylinder (8 in total) and electronic fuel injection system. Compression ratio rating could be 10.0:1. The engine produced 61 PS (45 kW; 60 HP) at 5,500 rpm of output power and 99 Nm (10 kg·m; 73 ft·lb) at 3,500 rpm or torque. Redline is 6,000 rpm.
D15A2 – this is an upgraded version of the engine with 12 valves and electronic fuel injection system. Compression ratio rating could be 8.7:1. The engine produced from 92 PS (68 kW; 91 HP) at 5,500 rpm to 100 PS (74 kW; 99 HP) at 5,750 rpm (for Europe) of output power and 126 Nm (12.9 kg·m; 93 ft·lb) at 4,500 rpm or torque. This engine was stamped with EW3 or EW4 in 1985-1986 years before switching to D15A3 stamp in 1987.
The breakdown of the engine code is as follows:
- D – Engine Family
- 15 – 1.5 Liter Displacement
- A1, A2, A3 – Engine version
General information
| Engine Specifications | |
| Engine code | D15A1 / D15A2 / D15A3 |
| Layout | Four stroke, Inline-4 (Straight-4) |
| Fuel type | Gasoline |
| Production | 1984-1987 |
| Displacement | 1.5 L, 1,488 cm3 ( 90.8 cu in) |
| Fuel system | D15A1 – Carburetor D15A2, D15A3 – Electronic fuel injection system |
| Power adder | None |
| Max. horsepower | D15A1 77 PS (57 KW; 76 HP) at 5,500 rpm D15A2 61 PS (45 KW; 60 HP) at 5,500 rpm D15A3 92 PS (68 KW; 91 HP) at 5,500 rpm 100 PS (74 KW; 99 HP) at 5,750 rpm |
| Max. torque | D15A1 114 Nm (11.6 kg·m; 84.0 ft·lb) at 3,500 rpm D15A2 99 Nm (10.0 kg·m; 73.0 ft·lb) at 3,500 rpm D15A3 126 Nm (12.9 kg·m; 93.0 ft·lb) at 4,500 rpm |
| Firing order | 1-3-4-2 |
| Dimensions (L x H x W): | – |
| Weight | – |
Cylinder block
The D15A engine has an aluminium cylinder block with cast-iron cylinder liners. A cylinder bore is 74.0 mm (2.91 in) and piston stroke is 86.5 mm (3.41 in).
| Cylinder block | ||
| Cylinder block alloy | Cast iron | |
| Compression ratio: | D15A1: 9.2:1 D15A2: 10.0:1 D15A3: 8.7:1 | |
| Cylinder bore: | 74.0 mm (2.91 in) | |
| Piston stroke: | 86.5 mm (3.41 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Number of main bearings: | 5 | |
Cylinder head
The cylinder head is made of aluminum alloy. The engines have 8 or 12 valves and single overhead camshaft witch driven from the crankshaft by a timing belt.
| Cylinder head | ||
| Valve Arrangement: | SOHC, betl drive | |
| Valves: | D15A1, D15D3: 12 (3 valves per cylinder) D15A2: 8 (2 valves per cylinder) | |
Maintenance data
| Valve clearance | |
| Intake valve | 0.20 mm (0.008 in) |
| Exhaust valve | 0.25 mm (0.010 in) |
| Oil system | |
| Oil consumption , L/1000 km (qt. per miles) | up to 0.5 (1 qt. per 1200 miles) |
| Recommended engine oil | 10W-30 |
| Engine oil capacity (Refill capacity) | With oil filter: 3.4 l Without oil filter: 3.3 l |
| Oil change interval, km (miles) | 10,000 (6,000) |
Vehicle applications
| Model | Years Produced |
| Honda CRX | 1984–1987 |
| Honda CRX HF Grifin | 1984–1987 |
| Honda CRX Si (Aurtralia and New Zealand) | 1985–1987 |
| 1987 Civic Si (Aurtralia and New Zealand) | 1987 |
| Honda Civic 1.5i (Europe) | 1985–1987 |
| Honda CRX 1.5i (Europe) | 1984–1987 |
| Honda Civic Si Hatch (US) | 1986–1987 |
Author:
You have a listing for the engine D15A2 as being fuel-injected. My Honda engine D15A2 has a carburetor
Mine is fuel injected yours must be a first gen then