Engine Toyota 1KR-FE

The 1.0-liter Toyota 1KR-FE engine has been assembled since 2004 in Japan and Poland for a wide range of compact models. The aluminum three-cylinder engine with a timing chain drive is equipped with a proprietary VVT-i variable valve timing system only on the intake shaft.

The KR family also includes engines: 1KR‑DE and 1KR‑VE.

The engine was installed on:

  • Toyota Aygo 1 (AB10) in 2005 – 2014; Aygo 2 (AB40) since 2014;
  • Toyota Belta 1 (XP90) in 2005 – 2012;
  • Toyota iQ 1 (GJ10) in 2008 – 2015;
  • Toyota Yaris 2 (XP90) in 2005 – 2011; Yaris 3 (XP130) since 2011;
  • Daihatsu Sirion M300 in 2004 – 2010; Sirion M600 in 2010 – 2016; Sirion M700 since 2016;
  • Daihatsu Cuore L275 in 2006 – 2016;
  • Peugeot 107 I (B0) in 2005 – 2014; 108 I (B3) since 2014;
  • Citroen C1 I (B0) in 2005 – 2014; C1 II (B4) since 2014.

Specifications

Production years since 2004
Displacement, cc 996
Fuel system injector MPI
Power output, hp 68 – 71
Torque output, Nm 90 – 94
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 71
Piston stroke, mm 84
Compression ratio 10.5
Features ETCS-i
Hydraulic lifters no
Timing drive chain
Phase regulator VVT-i intake
Turbocharging no
Recommended engine oil 5W-20
Engine oil capacity, liter 3.1
Fuel type 95
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Toyota Aygo 2007)
— city
— highway
— combined
5.5
4.1
4.6
Engine lifespan, km ~200 000
Weight, kg 75

Disadvantages of the 1KR-FE engine

  • Most often, owners complain about strong vibrations and knocks at work;
  • A single-row timing chain can stretch to a range of 100 – 120 thousand km;
  • Clogged oil channels often lead to rotation of the liners;
  • The water pump has a modest resource, there are questions with starting the engine in cold weather.

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