The 2.3-liter Honda H23A engine was assembled at the company’s Japanese plant from 1992 to 2002 and installed on some modifications of the fourth-generation Accord and Prelude models. There were two versions of the motor: with a black cover without VTEC and charged with a blue cover.
The H-series also includes an internal combustion engine: H22A.
The engine was installed on:
- Honda Accord 5 (CD) in 1993 – 1997;
- Honda Accord 6 (CG) in 1997 – 2002;
- Honda Ascot Innova 1 (CB) in 1992 – 1996;
- Honda Prelude 4 (BA8) in 1991 – 1996;
- Rover 600 1 (RH) in 1993 – 1999.
Specifications
| Production years | 1992-2002 |
| Displacement, cc | 2258 |
| Fuel system | injector |
| Power output, hp | 160 – 165 (Black top: H23A, H23A1, H23A2, H23A3) 190 – 200 (Blue top: H23A VTEC) |
| Torque output, Nm | 210 – 215 (Black top: H23A, H23A1, H23A2, H23A3) 220 (Blue top: H23A VTEC) |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 87 |
| Piston stroke, mm | 95 |
| Compression ratio | 9.8 (Black top: H23A, H23A1, H23A2, H23A3) 10.6 (Blue top: H23A VTEC) |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no (Black top: H23A, H23A1, H23A2, H23A3) VTEC (Blue top: H23A VTEC) |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 4.5 |
| Fuel type | 95 |
| Euro standards | EURO 3/4 |
| Fuel consumption, L/100 km (for Honda Prelude 1995) — city — highway — combined |
10.7 6.3 8.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 160 |
Disadvantages of the Honda H23A engine
- The only serious drawback of these power units is the oil burner;
- Oil not only goes to waste, but also likes to ooze from all gaskets and seals;
- The cooling system also suffers from leaks, rubber tubes often burst here;
- From time to time, sensor failures occur here and the engine starts to become very dull;
- There are no hydraulic lifters and valve clearances need to be adjusted every 40,000 km.
H23A Engine Repair Parts List
| Full name of the part | Part code |
| Piston without rings Honda H23A1 d87.0 STD (13010-P14) Teikin (Piston with pin, without piston rings) | 38158 STD |
| Piston without rings Honda H23A1 d87.0+0.50 (13010-P14) Teikin (Piston with pin, without piston rings) | 38158 0.50 |
| BELT TIMING BELT | TB354 |
| BELT TIMING BELT | TB378 |
| Complete set of gaskets | GV030 |
| Upper gasket set | DV030 |
| Head gasket | BV030 |
| Manifold gasket | JC883 |
| Manifold gasket | JC884 |
| Gasket, exhaust pipe | 70-52303-00 |
| Stuffing box | PB353 |
| Stuffing box | PB354 |
| Basic liners Honda F20A/F22B/H23A Taiho | M459H-STD |
| Connecting rod bushings Honda F20A/F22B/H23A Taiho | R458H-STD |
| Toothed belt 112×240 Honda Contitech | CT1001 |
| Toothed belt 118×300 Land Rower 2.5 Contitech | CT 952 |
| Toothed belt 127×240 Honda Contitech | CT 804 |
| Toothed belt 70×160 Honda Accord 2.0-2.2 16V Contitech | CT 800 |
| Timing repair kit | CT1001K1 |
| Timing drive repair kit | CT 800 K1 |
| Water pump | 50 005 090 |
| Spark plug DOUBLE COPPER (RC9MCC4) Champion (RC9MCC4) | OE089 /T10 |
