Engine Nissan HR12DE

The 1.2-liter 3-cylinder Nissan HR12DE engine (or HR12 for short) has been produced by the concern since 2010 and is installed on such popular company models as the Micra, Serena, Note and Datsun Go +. This engine is also used as part of the e‑Power sequential hybrid powertrain.

The HR family includes: HR10DDT, HRA2DDT, HR12DDR, HR13DDT, HR15DE, HR16DE.

The engine was installed on:

  • Nissan Almera 3 (N17) in 2011 – 2019;
  • Nissan Micra 4 (K13) in 2010 – 2017;
  • Nissan Note 2 (E12) in 2012 – 2020;
  • Nissan Note 3 (E13) in 2020 – …;
  • Nissan Kicks 1 (P15) in 2020 – …;
  • Nissan Serena 5 (C27) in 2018 – …;
  • Datsun Go 1 (AD0) in 2014 – …

Specifications

Production years 2010-…
Displacement, cc 1198
Fuel system distributed injection
Power output, hp 79 – 84
Torque output, Nm 103 – 110
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 78
Piston stroke, mm 83.6
Compression ratio 10.7
Features DOHC
Hydraulic lifters no
Timing drive chain
Phase regulator at the CVTCS inlet
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.2
Fuel type 92
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Nissan Note 2018)
— city
— highway
— combined
5.9
4.0
4.7
Engine lifespan, km ~250 000
Weight, kg 83

Disadvantages of the HR12DE engine

  • This is a reliable motor, on the forums they regularly complain only about excessive vibrations;
  • The main cause of floating speed is throttle or injector contamination;
  • When using an inexpensive air filter, the mass air flow sensor quickly fails;
  • The weak points of the engine include the relay of the ignition unit, as well as the fuel pump in the tank;
  • Also, do not forget about adjusting the valve clearances, there are no hydraulic lifters here.

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