The 1.3-liter Mazda 13B-MSP rotary engine or Renesis 1.3 was assembled from 2003 to 2012 and installed on all modifications of the popular RX-8 sports coupe. This power unit exists in two different generations with slight differences.
The engine was installed on:
- Mazda RX-8 (SE) in 2003 – 2012.
Specifications
| Production years | 2003-2012 |
| Displacement, cc | 1308 |
| Fuel system | direct injection |
| Power output, hp | 192 – 250 |
| Torque output, Nm | 211 – 222 |
| Cylinder block | aluminum W2 |
| Block head | no |
| Compression ratio | 10 |
| Features | Wankel |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.6 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mazda RX-8 2008) — city — highway — combined |
14.9 8.1 10.6 |
| Engine lifespan, km | ~120 000 |
| Weight, kg | 112 |
Disadvantages of the 13B-MSP engine
- First of all, this engine is characterized by high fuel consumption, and also oil;
- Also, the unit is demanding on the quality of lubrication, or you will find rapid wear of the apexes;
- Closer to 80 – 100 thousand kilometers, eccentric shaft liners are often rented;
- Oil nozzles require regular diagnostics and rarely go more than 50,000 km;
- Once every 30,000 km it is necessary to replace the spark plugs and usually together with the ignition coils.
