Daihatsu K-series engine

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The Daihatsu K-series is a series of three unrelated engine families (KF, KR and K3/KJ), even though named with same initial "K" letter code. These engines were built in DOHC 12-valve inline three (KF & KR) and DOHC 16-valve inline four (K3/KJ) engine layout, ranging from 0.66 L, 1.0 L and up to 1.3 L. All engine families are available in naturally aspirated and turbocharged form. The new KF weighs 47kg (103lbs) which is 25% less than the old EF which weighs 59kg (130lbs)^[1]