The Mazda KL-ZE 2.5-liter V6 engine was produced at the Japanese plant from 1992 to 2002 and installed in local versions of such popular models as Efini, Eunos or MX-6. This motor differed from the KL-DE in an increased compression ratio and a different intake manifold.
K-engine family: K8-DE, K8-ZE, KF-DE, KF-ZE, KJ-ZEM, KL-DE, KL-G4, KL-ZE.
Specifications
| Production years | 1992-2002 |
| Displacement, cc | 2497 |
| Fuel system | distributed injection |
| Power output, hp | 200 |
| Torque output, Nm | 224 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 74.2 |
| Compression ratio | 10.0 |
| Features | DOHC, VRIS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.0 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Mazda MX-6 1995) — city — highway — combined |
12.2 7.7 9.2 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 176 (with attachments) |
The engine was installed on:
- Mazda Capella GW in 1997 – 2002;
- Mazda Cronos GE in 1992 – 1997;
- Mazda Efini MS-6 GE in 1992 – 1994;
- Mazda Efini MS-8 MB in 1992 – 1998;
- Mazda Eunos 800 TA in 1993 – 1998;
- Mazda MX-6 GE in 1992 – 1997.
Disadvantages of the Mazda KL-ZE engine
- The engines of this series are considered quite reliable;
- Watch the cooling system, the aluminum block of the engine is very afraid of overheating;
- On runs over 100 thousand km, oil often oozes from under the valve covers;
- The timing belt resource is about 80,000 km, however, when it breaks, the valve usually does not bend;
- Hydraulic lifters do not tolerate cheap lubrication and can knock even up to 50,000 km.
Frequently asked questions about the Mazda KL-ZE
How much power does the Mazda KL-ZE make?
The Mazda KL-ZE develops 200 hp and 224 Nm of torque.
How much oil does the Mazda KL-ZE take and which one?
Engine oil capacity: 4.0 liters. Recommended oil: 5W-30.
Does the Mazda KL-ZE have a timing belt or chain?
The Mazda KL-ZE uses a timing belt.
Is the Mazda KL-ZE turbocharged?
No, the Mazda KL-ZE is naturally aspirated.
Does the Mazda KL-ZE need valve clearance adjustment?
No, the Mazda KL-ZE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mazda KL-ZE last?
The typical lifespan of the Mazda KL-ZE is ~400 000 km with proper maintenance.
What is the fuel consumption of the Mazda KL-ZE?
Mazda MX-6 1995: city 12.2, highway 7.7, combined 9.2 L/100 km.
What cars was the Mazda KL-ZE installed on?
Mazda Capella GW in 1997 - 2002; Mazda Cronos GE in 1992 - 1997; Mazda Efini MS-6 GE in 1992 - 1994; Mazda Efini MS-8 MB in 1992 - 1998; Mazda Eunos 800 TA in 1993 - 1998; Mazda MX-6 GE in 1992 - 1997.
What are the common problems of the Mazda KL-ZE?
The engines of this series are considered quite reliable. Watch the cooling system, the aluminum block of the engine is very afraid of overheating. All known problems.
