Engine Mazda R2 2.2l

The 2.2-liter prechamber diesel engine Mazda R2 was produced from 1983 to 2007 and was installed on a large number of commercial vehicles under the brands Mazda, Kia, Ford. After being equipped with the Common Rail system, this power unit received a new R2AA index.

The R-engine family also includes diesel engines: RF and RF‑T Di.

The engine was installed on:

  • Mazda Bongo 3 in 1983 – 1999;
  • Mazda Bongo 4 (SG) in 1999 – 2007;
  • Mazda B-series in 1985 – 1993;
  • Mazda E-series in 1983 – 2007.

Specifications

Production years 1983-2007
Displacement, cc 2184
Fuel system prechambers
Power output, hp 70 – 79
Torque output, Nm 138 – 142
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 86
Piston stroke, mm 94
Compression ratio 22.9
Features SOHC
Hydraulic lifters no
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 6.5
Fuel type diesel
Euro standards EURO 1/2
Fuel consumption, L/100 km (for Mazda Bongo 2000)
— city
— highway
— combined
9.2
6.4
7.4
Engine lifespan, km ~320 000
Weight, kg 190

Disadvantages of the Mazda R2 2.2 engine

  • All the problems of this simple and reliable diesel engine are associated with huge mileage;
  • The weakest point of the unit is the aluminum cylinder head;
  • Cracks around the prechambers are formed by 200,000 km, and it is not easy to buy another cylinder head;
  • The timing belt is designed for 60 thousand km, and when it breaks the valve most often bends;
  • Since there are no hydraulic lifters, the valves will have to be adjusted every 100,000 km.

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