Toyota KR engine

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The Toyota KR engine family is a straight-3 piston engine series, designed by Daihatsu, which is a subsidiary of Toyota. The 1KR series uses aluminium engine blocks and DOHC cylinder heads. It also uses multi-point fuel injection, and has 4 valves per cylinder with VVT-i.


1KR-FE used in Toyota Aygo, Citroën C1 and Peugeot 107

The 1KR-FE is a 1.0 L (998 cc) version built in Japan and Poland. Bore is 71 mm and stroke is 84 mm, with a compression ratio of 10.5:1. Output is 68 hp (50 kW) at 6500 RPM with 68.6 ft·lbf (93.0 N·m) of torque at 3600 RPM. Carbon emission levels are 109 g/km. This engine has been given the 2007 and 2008 International Engine of the Year awards in the sub-1.0 liter category.


See also