The maximum torque is lesser, but, this time, the maximum output is not reduced. Major feature, this 1.3-liter gasoline engine is employing the Atkinson cycle like hybrid-dedicated Toyota engines. Toyota claims it will have a maximum thermal efficiency of 38 percent.
The 1NR-FKE is a variant of the 1NR-FE introduced in the second quarter of 2014. Replaced by a flexfuel version of the 1NR-FKE in 2016. Perodua Myvi/ Daihatsu Sirion (M600/AC30)įitted to the Toyota Etios and Yaris hatchback made in Brazil, available only as a flexfuel,1.3 liter, with VVT-i.Emission Regulation: Euro 4 (Complies with Euro 5 after optimizations introduced in July 2010).Ignition System: Direct Ignition system.Fuel Injection System: Electronic fuel injection.Valve Mechanism: 16-valve DOHC, Chain Drive (with Dual VVT-i).Compression Ratio: 11.5:1 Indonesia Euro 3 Version: 10.5:1.The engine also features cooled exhaust gas recirculation (cold area specification models only) to reduce pumping losses and reduce NO x emissions. Smaller and lighter than on the previous 1.3 L (1,297 cc) unit, they are designed with a smaller contact area and use carbon ceramide, an advanced material commonly used in Formula One engineering, to reduce friction. One of the key elements of the 1NR-FE engine is its piston design. Toyota engineers streamlined the engine's intake channel, used computer simulation to optimise airflow, smoothened all surfaces for less turbulence and rounded off all angles and sharp edges inside the engine. Improved engine performance combined with low emissions and fuel consumption was the principal aim during its development.Īdvanced engineering has been applied throughout the 1NR-FE engine. It was introduced into European market in late 2008 with the Yaris XP9F. The 1NR-FE is a compact inline four piston engine featuring Stop & Start technology and Dual VVT-i. The 1NR, 2NR, 3NR, 4NR, 5NR, 6NR, and 7NR engines have Dual VVT-i standard and the 8NR engine has VVT-iW, enabling it to operate in the Otto cycle as well as a modified- Atkinson cycle to improve thermal efficiency. It also uses multi-point or direct fuel injection and has four valves per cylinder.
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The NR series uses aluminum engine blocks and DOHC cylinder heads.