Mazda B5 engine
Content
The company assembled the 1.5-liter 8-valve Mazda B5 engine in Japan from 1987 to 1994 and installed it on various modifications of the Familia model in the back of the BF, including the Etude coupe. In addition to the carburetor, there was a version with an injector, but only on Ford Festiva cars.
B-engine: B1, B3, B3‑ME, B5‑ME, B5‑DE, B6, B6‑ME, B6‑DE, BP, BP‑ME.
Technical characteristics of the Mazda B5 1.5 liter engine
| Exact volume | 1498 cm³ |
| Supply system | carburetor |
| Internal combustion engine power | 73 - 82 HP |
| Torque | 112 - 120 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 78 mm |
| Piston stroke | 78.4 mm |
| Compression ratio | 8.6 |
| Features of the internal combustion engine | SOHC |
| Hydraulic compensators | Yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 3.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 0 |
| Approximate resource | 240 000 km |
| Exact volume | 1498 cm³ |
| Supply system | injector |
| Internal combustion engine power | 88 hp |
| Torque | 135 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 78 mm |
| Piston stroke | 78.4 mm |
| Compression ratio | 9.1 |
| Features of the internal combustion engine | SOHC |
| Hydraulic compensators | Yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 3.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 1 |
| Approximate resource | 250 000 km |
Mazda B5 engine weight according to the catalog is 121.7 kg
The Mazda B5 engine number is located at the junction of the block with the box
Fuel consumption Mazda B5
Using the example of a 1989 Mazda Familia with a manual transmission:
| City | 9.9 liters |
| Track | 6.5 liters |
| Mixed | 8.1 liters |
Which cars were equipped with the B5 1.5 l engine
| Etude I (BF) | 1988 – 1989 |
| Family VI (BF) | 1987 – 1994 |
Disadvantages, breakdowns and problems B5
This is a very simple and reliable motor, all its problems are due to old age.
The original carburetor is difficult to set up, but most often there is already an analogue
The forums most often complain about lubricant leaks and low spark plug life.
According to the regulations, the timing belt changes every 60 km, but does not bend with a broken valve
Hydraulic lifters do not like cheap oil and can knock even up to 100 km
