The 1.8-liter Mazda L8-DE gasoline engine was produced by the company from 2002 to 2018 and was installed on the European versions of the 5, 6 and MX-5 models, as well as Ford cars under the QQDB index. There was a version of this unit with an inlet phase regulator with its own index L8‑VE.
The L-engine family also includes:
The engine was installed on:
- Mazda 5 CR in 2004 – 2010;
- Mazda 5 CW in 2010 – 2018;
- Mazda 6 I (GG) in 2002 – 2007;
- Mazda 6 II (GH) in 2007 – 2012;
- Mazda MX-5 NC in 2005 – 2015.
Specifications
| Production years | 2002-2018 |
| Displacement, cc | 1798 |
| Fuel system | distributed injection |
| Power output, hp | 120 – 125 |
| Torque output, Nm | 160 – 170 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 83.1 |
| Compression ratio | 10.8 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mazda 6 2003) — city — highway — combined |
9.5 5.2 6.8 |
| Engine lifespan, km | ~275 000 |
| Weight, kg | 102 |
Disadvantages of the Mazda MZR L8-DE engine
- The entire period of operation of a car with this engine, owners have to deal with floating speed;
- Flashing helps one, modification of the throttle helps others, but nothing to the third;
- The weak points of the motor include the thermostat, which often simply jams;
- Often there are leaks from under the valve cover and oil enters the candle wells;
- There are no hydraulic lifters and valve clearances need to be adjusted every 100,000 km.
