The Mazda Z5-DE 1.5-liter gasoline engine was produced by the company from 1994 to 1998 and was installed on various models of the popular 323 family, Familia, Protege and Lantis in the BH body. There was a lean-burn version of this power unit under its own Z5-DEL index.
The Z-engine family also includes:
The engine was installed on:
- Mazda 323 BH in 1994 – 1998;
- Mazda Familia BH in 1994 – 1998;
- Mazda Lantis CB in 1994 – 1998;
- Mazda Protege BH in 1994 – 1998.
Specifications
| Production years | 1994-1998 |
| Displacement, cc | 1489 |
| Fuel system | distributed injection |
| Power output, hp | 90 – 110 |
| Torque output, Nm | 130 – 140 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 75.3 |
| Piston stroke, mm | 83.6 |
| Compression ratio | 9.0 – 9.5 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Mazda 323 1997) — city — highway — combined |
9.5 6.2 7.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 128.7 |
Disadvantages of the Mazda Z5-DE engine
- This structurally simple and reliable motor has practically no weak points;
- The main problems are related to improper and untimely maintenance;
- On long runs, an oil burner occurs due to wear on the valve stem seals;
- The timing belt is designed for 60,000 km, but it runs longer and the valve does not bend when it breaks;
- Every 80 – 100 thousand km, valve adjustment is required, there are no hydraulic lifters.
