Daihatsu K-series engine

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% of the old EF which weighs 59kg (130lbs)[1]

KF

Introduced in November 2005, Daihatsu KF engine is a series of 658 cc inline-three cylinder DOHC 12 valve water-cooled engine, designed for kei cars. This engine replacing the old EF series engine.


Type	Displacement	Bore x Stroke	Bore Pitch	Cylinders	Compression	Power	Torque	Application
KF-DE	658 cc	63 x 70.4 mm	78 mm	3	11.5	50 PS (49 hp; 37 kW) at 6,900 rpm	60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 3,600 rpm	Not available
KF-VE (with DVVT)						50 PS (49 hp; 37 kW) at 5,700 rpm	64 N⋅m (6.5 kg⋅m; 47 lbf⋅ft) at 4,000 rpm	S200 Daihatsu Hijet Truck/Toyota Pixis Truck/Subaru Sambar S320 Daihatsu Hijet Cargo/Toyota Pixis Van/Subaru Sambar Van
						53 PS (52 hp; 39 kW) at 7,000 rpm	64 N⋅m (6.5 kg⋅m; 47 lbf⋅ft) at 4,000 rpm	S200 Daihatsu Hijet Truck/Toyota Pixis Truck/Subaru Sambar S320 Daihatsu Hijet Cargo/Toyota Pixis Van
						58 PS (57 hp; 43 kW) at 7,200 rpm	65 N⋅m (6.6 kg⋅m; 48 lbf⋅ft) at 4,000 rpm	L175 Daihatsu Move L255 Daihatsu Esse L275 Daihatsu Mira/Subaru Pleo L375 Daihatsu Tanto L455 Daihatsu Tanto Exe/Subaru Lucra L575 Daihatsu Move Conte
						52 PS (51 hp; 38 kW) at 7,200 rpm	60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 4,000 rpm	L275 Subaru Pleo LA100 Daihatsu Move/Subaru Stella LA250 Daihatsu Cast/Toyota Pixis Joy LA700 Daihatsu Wake/Daihatsu Hijet Caddie/Toyota Pixis Mega L575 Daihatsu Move Conte/Toyota Pixis Space
					11.3	52 PS (51 hp; 38 kW) at 6,800 rpm	60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 5,200 rpm	LA300 Daihatsu Mira e:S/Toyota Pixis Epoch/Subaru Pleo Plus LA550 Daihatsu Mira Tocot LA600/650 Daihatsu Tanto/Subaru Chiffon LA800 Daihatsu Move Canbus
						46 PS (45 hp; 34 kW) at 5,700 rpm	60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 4,000 rpm	S320 Daihatsu Hijet Cargo/Toyota Pixis Van/Subaru Sambar Van S500 Daihatsu Hijet Truck/Toyota Pixis Truck/Subaru Sambar Truck
						53 PS (52 hp; 39 kW) at 7,200 rpm	60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 4,000 rpm	S320 Daihatsu Hijet Cargo/Toyota Pixis Van/Subaru Sambar Van S500 Daihatsu Hijet Truck/Toyota Pixis Truck/Subaru Sambar Truck
					12.2	49 PS (48 hp; 36 kW) at 6,800 rpm	57 N⋅m (5.8 kg⋅m; 42 lbf⋅ft) at 5,200 rpm	LA350 Daihatsu Mira e:S/Toyota Pixis Epoch/Subaru Pleo Plus
KF-VE (CNG with DVVT)					12.8	45 PS (44 hp; 33 kW) at 7,200 rpm	64 N⋅m (6.5 kg⋅m; 47 lbf⋅ft) at 4,000 rpm	L275 Daihatsu Mira Van (Gas powered car)
KF-VE (CNG with DVVT)					12.8	39 PS (38 hp; 29 kW) at 6,400 rpm	52 N⋅m (5.3 kg⋅m; 38 lbf⋅ft) at 4,000 rpm	S320 Daihatsu Hijet Cargo (Gas powered car)
KF-DET (turbocharged)					9.0	64 PS (63 hp; 47 kW) at 6,000 rpm	103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 3,000 rpm	L175 Daihatsu Move (Custom R/R Limited/RS) L375 Daihatsu Tanto Custom RS L405 Daihatsu Sonica L575 Daihatsu Move Conte/Toyota Pixis Space Custom RS
						64 PS (63 hp; 47 kW) at 5,700 rpm	103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 2,800 rpm	LA100 Daihatsu Move L275 Daihatsu Mira/Subaru Pleo Custom RS L455 Daihatsu Tanto Exe/Subaru Lucra Custom RS S320 Daihatsu Atrai/Subaru Dias Wagon S320 Hijet Cargo Cruise Turbo/Toyota Pixis Van Cruise Turbo/Subaru Sambar Van VC Turbo
						64 PS (63 hp; 47 kW) at 6,400 rpm	95 N⋅m (9.7 kg⋅m; 70 lbf⋅ft) at 4,000 rpm	LA150 Daihatsu Move/Subaru Stella Custom RS LA700 Daihatsu Hijet Caddie
						64 PS (63 hp; 47 kW) at 6,400 rpm	95 N⋅m (9.7 kg⋅m; 70 lbf⋅ft) at 3,200 rpm	LA400 Daihatsu/Toyota Copen GR Sport LA600/650 Daihatsu Tanto/Subaru Chiffon Custom RS
KF-VET (with DVVT)					9.5	64 PS (63 hp; 47 kW) at 6,000 rpm	103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 3,000 rpm	LA250 Daihatsu Cast (G Turbo/Sport)/Toyota Pixis Joy (G Turbo/S) LA700 Daihatsu Wake/Toyota Pixis Mega X/G

K3

The Daihatsu K3 engine is a series of 1.3 L 4-cylinder DOHC 16-valve, water-cooled gasoline engine developed and produced by Daihatsu since April 2000, replacing Daihatsu HC engine. This engine also known as Toyota 2SZ-FE engine. The stroked up version of this engine is called 3SZ-VE engine (1.5 L) and stroked down version is called KJ-VET engine (1.0 L).


Type	Displacement	Bore x Stroke	Bore Pitch	Cylinders	Compression	Power	Torque	Application
K3-DE (without DVVT)	1297 cc	72 x 79.7 mm	78 mm	4	10.0	88 PS (87 hp; 65 kW) at 6,000 rpm	114 N⋅m (11.6 kg⋅m; 84 lbf⋅ft) at 3,600 rpm	F600/650 Daihatsu Xenia/Toyota Avanza (2003–2006) S400 Daihatsu Gran Max
K3-VE (with DVVT)						90 PS (89 hp; 66 kW) at 6,000 rpm	123 N⋅m (12.5 kg⋅m; 91 lbf⋅ft) at 4,400 rpm	J100 Daihatsu Terios/Toyota Cami/Perodua Kembara (Malaysia) L880 Daihatsu Copen (Europe) M100 Daihatsu Storia/Daihatsu Sirion/Toyota Duet M200 Daihatsu YRV
K3-VE (with DVVT)						92 PS (91 hp; 68 kW) at 6,000 rpm	119 N⋅m (12.1 kg⋅m; 88 lbf⋅ft) at 4,400 rpm	F600/650 Daihatsu Xenia/Toyota Avanza (2004–2015) J200 Daihatsu Terios/Toyota Rush M300 Daihatsu Boon/Daihatsu Sirion/Toyota Passo M400 Daihatsu Coo/Daihatsu Materia/Toyota bB/Subaru Dex S220 Daihatsu Atrai 7/Toyota Sparky/Daihatsu Hijet Gran Cargo
K3-VE2 (high revving version)					11.0	110 PS (110 hp; 81 kW) at 7,000 rpm	126 N⋅m (12.8 kg⋅m; 93 lbf⋅ft) at 4,400 rpm	M100 Daihatsu Storia/Toyota Duet Rally
K3-VE2 (high revving version)					11.0	102 PS (101 hp; 75 kW) at 7,000 rpm	120 N⋅m (12 kg⋅m; 89 lbf⋅ft) at 4,400 rpm	M100 Daihatsu Sirion GTvi (Australia)
K3-VET (turbocharged version)					8.5	140 PS (140 hp; 100 kW) at 6,300 rpm	177 N⋅m (18.0 kg⋅m; 131 lbf⋅ft) at 3,200 rpm	J100 Daihatsu Terios/Toyota Cami Turbo Aero M300 Daihatsu YRV Turbo 130

KJ

The Daihatsu KJ-VET engine is a turbocharged 1.0 L 4-cylinder DOHC 16-valve, water-cooled gasoline engine developed and produced by Daihatsu. This short lived engine only available for Daihatsu Boon X4. This engine is a stroked down version of K3-VET engine.


Type	Displacement	Bore x Stroke	Bore Pitch	Cylinders	Compression	Power	Torque	Application
KJ-VET	939 cc	72 x 57.5 mm	78 mm	4	8.3	133 PS (131 hp; 98 kW) at 7,200 rpm	132 N⋅m (13.5 kg⋅m; 97 lbf⋅ft) at 3,600 rpm	M300 Daihatsu Boon X4

KR

A 1.0 L inline 3-cylinder engine series designed and produced by Daihatsu.

References

DAIHATSU, MOTOR CO., LTD. "Daihatsu Develops New 660cc Engine with Improved Environmental Performance, Power, and Quiet Operation Lightweight and compact: 25% reduction*1 in weight for a class*2 leading weight of 47kg". daihatsu. DAIHATSU MOTOR CO., LTD. Retrieved 31 January 2023.{{cite web}}: CS1 maint: multiple names: authors list (link)

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[engine_weight_refence-1] DAIHATSU, MOTOR CO., LTD. "Daihatsu Develops New 660cc Engine with Improved Environmental Performance, Power, and Quiet Operation Lightweight and compact: 25% reduction*1 in weight for a class*2 leading weight of 47kg". daihatsu. DAIHATSU MOTOR CO., LTD. Retrieved 31 January 2023.{{cite web}}: CS1 maint: multiple names: authors list (link)