Honda K engine

This article is about the Honda engine. For the Rover engine series of the same name, see Rover K engine.

A cylinder head from a Honda K20Z3. Components of the i-VTEC system can be seen.

The Honda K series engine is a four-cylinder four-stroke engine introduced in 2001. The K series engines are equipped with DOHC valvetrains and use roller rockers to reduce friction. The engines use a coil-on-plug, distributorless ignition system with a coil for each spark plug. This system forgoes the use of a conventional distributor-based ignition timing system in favor of a computer-controlled system that allows the ECU to control ignition timings based on various sensor inputs. The cylinders have cast iron sleeves similar to the B-series & F-series engines, as opposed to the FRM cylinders found in the H-series and newer F series engines found only in the Honda S2000.

Similar to B series, K-Series has two short blocks with the same design; the only difference between them being the deck height. K20 uses the short block with a deck height of 212mm where K23 and K24 block has a deck height of 231.5mm.^[1]

Two versions of the Honda i-VTEC system can be found on a K series engine, and both versions can come with variable timing control (VTC) on the intake cam. The VTEC system on engines like the K20A3 only operate on the intake cam; at low rpm only one intake valve is fully opened, the other opening just slightly to create a swirl effect in the combustion chamber for improved fuel atomization. At high rpm, both intake valves open fully to improve engine breathing. In engines such as the K20A2 found in the Acura RSX Type-S, the VTEC system operates on both the intake and exhaust valves, allowing both to benefit from multiple cam profiles.

K20

K20A

Honda K20A
Overview
Manufacturer	Honda Motor Co., Ltd.
Production	2001-2011
Combustion chamber
Configuration	I4
Displacement	2.0 L; 121.9 cu in (1,998 cc)
Cylinder bore	86 mm (3.386 in)
Piston stroke	86 mm (3.386 in)
Valvetrain	DOHC
Compression ratio	See left for specific application.
Combustion
Fuel system	Fuel injection
Management	ECU
Fuel type	Gasoline
Cooling system	Water-cooled Piston Oil Squirters (K20A)
Output
Power output	See left for specific application.
Torque output	See left for specific application.

Applications

Engine	Application	Compression	Power	Torque	Redline	Rev limiter	i-VTEC engagement	VTEC Timing Shift	Intake Manifold
K20A	2001-2006 Honda Civic Type R (JDM)	11.5:1	212 hp (158 kW) @ 8000 RPM	149 lb·ft (202 N·m) @ 7000 RPM		8400 RPM	6000 RPM		PRC
	2001-2006 Honda Integra Type R (JDM)	11.5:1	217 hp (162 kW) @ 8000 RPM	152 lb·ft (206 N·m) @ 7000 RPM		8400 RPM	6000 RPM		PRC
	2002-2008 Honda Accord Euro R (JDM)	11.5:1	217 hp (162 kW) @ 8000 RPM	152 lb·ft (206 N·m) @ 6000 RPM		8400 RPM	6000 RPM		RBC
	2007-2011 Honda Civic Type R (JDM)	11.7.1	221 hp (165 kW) @ 8000 RPM	159 lb·ft (215 N·m) @ 6100 RPM		8600 RPM	5800 RPM		RRC
K20A1	2001-2006 Honda Stream (RN3, FWD)	9.7:1	156 hp (116 kW) @ 6500 RPM	139 lb·ft (188 N·m) @ 4000 RPM	6800 RPM
K20A1	2001-2006 Honda Stream (RN4, AWD)	9.8:1	158 hp (118 kW) @ 6500 RPM	140 lb·ft (190 N·m) @ 4000 RPM	6800 RPM
K20A2	2001-2006 Honda Civic Type R (EDM)	11.0:1	200 hp (150 kW) @ 7400 RPM	139 lb·ft (188 N·m) @ 5900 RPM	7900 RPM	8050 RPM	6000 RPM
	2002-2004 Acura RSX Type S	11.0:1	200 hp (150 kW) @ 7400 RPM	142 lb·ft (193 N·m) @ 6000 RPM	7900 RPM	8250 RPM	5800 RPM
	2002-2004 Honda Integra Type R (AUDM/NZDM)	11.0:1	200 hp (150 kW) @ 7400 RPM	142 lb·ft (193 N·m) @ 6000 RPM	7800 RPM	8100 RPM	5800 RPM
K20A3	2002-2006 Acura RSX	9.8:1	160 hp (120 kW) @ 6500 RPM	141 lb·ft (191 N·m) @ 4000 RPM	6800 RPM		2300 RPM	4700 RPM
	2002-2005 Honda Civic Si	9.8:1	160 hp (120 kW) @ 6500 RPM	132 lb·ft (179 N·m) @ 4000 RPM	6800 RPM		2300 RPM	4700 RPM
	2002-2005 Honda Civic SiR	9.8:1	160 hp (120 kW) @ 6500 RPM	132 lb·ft (179 N·m) @ 4000 RPM	6800 RPM		2300 RPM	4700 RPM
	2002-2005 Honda Civic Type S	9.8:1	160 hp (120 kW) @ 6500 RPM	132 lb·ft (179 N·m) @ 4000 RPM	6800 RPM		2300 RPM	4700 RPM
K20A4	2003-2007 Honda Accord		158 hp (118 kW) @ 6500 RPM	140 lb·ft (190 N·m) @ 4000 RPM
K20A4	2008-2012 Honda Accord Sport		198 hp (148 kW) @ 6500 RPM	170 lb·ft (230 N·m) @ 4000 RPM
K20A6	2003-2006 Honda Accord (EDM)	9.8:1	155 hp (116 kW) @ 6500 RPM	140 lb·ft (190 N·m) @ 4000 RPM	6800 RPM		2500 RPM
K20A6	2003-2006 Honda Accord (ADM)	9.8:1	155 hp (116 kW) @ 6500 RPM	140 lb·ft (190 N·m) @ 4000 RPM	6800 RPM		2500 RPM

Additional Engine Specifics JDM K20A Type R Only: Chromoly Flywheel, Higher-Tensile Strength Connecting Rods, High Compression Pistons, Stiffer Intake Valve Springs and Exhaust Valve Springs, Higher-lift Hollow Camshafts with more duration, and 2007-2011 Cylinder Head Intake Port Surface Polishing and Exhaust Surface Port Polishing used in NSX-R.^[2] The JDM K20A Type R engine block would be remove from production assembly line by an experience Honda engine technician to torque the connecting rod bolts to factory specification by hand using micrometer to measure connecting rod bolt stretching. Then the JDM K20A Type R engine block would be returned to the production assembly line to complete the engine building process.

K20A (Low Performance Engine) Japan only

Similar to K20A3 and K20A1

Found in:
- 2002-2005 Honda Integra-(Type S)
- 2002-2005 Honda Stream S (RN3) (Front Drive)
- 2002-2005 Honda Stream S (RN4) (All Wheel Drive)
- 2005-2010 Honda Edix (Front Drive and All Wheel Drive)
- 2005-2008 Honda Accord Sedan (Front Drive and All Wheel Drive)
- 2005-2008 Honda Accord Wagon (Front Drive Only)
- 2006-2010 Honda Civic Sedan (GL)
  - DOHC i-VTEC
  - Power and Torque can vary by the Compression Ratio, Intake manifold, and Exhaust manifold
  - Power: 155 hp@6500rpm ; 158 hp@6500rpm
  - Torque: 138 lb-ft@4000rpm ; 140 lb-ft@4000rpm
  - Redline 6800rpm
  - Compression: 9.7:1 ; 9.8:1
  - Bore X Stroke: 86mm x 86mm
  - Displacement: 1998cc

K20B

Honda K20B
Overview
Manufacturer	Honda Motor Co., Ltd.
Production	2004-2006
Combustion chamber
Configuration	I4
Displacement	2.0 L; 121.9 cu in (1,998 cc)
Cylinder bore	86 mm (3.386 in)
Piston stroke	86 mm (3.386 in)
Valvetrain	DOHC
Compression ratio	10.0:1
Combustion
Fuel system	Direct fuel injection
Management	ECU
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	156 hp (116 kW) @ 6300 rpm
Torque output	139 lb·ft (188 N·m) @ 4600 rpm

Injection Pressure: 10 megapascals (99 atm)
Center Fuel Injection with swirl guide
Air-Fuel Ratio:
- Normal driving cycle: 65:1 (ultra-lean combustion)
- Acceleration/High load driving cycle: 14.7:1 (Stoichiometric)
Deep Piston Cavity formed in top of Pistons
Application: 2004-2006 Honda Stream Absolute

K20C1

Honda K20C1
Overview
Manufacturer	Honda Motor Co., Ltd.
Production	2015-present
Combustion chamber
Configuration	I4
Displacement	2.0 L; 121.8 cu in (1,996 cc)
Cylinder bore	86 mm (3.386 in)
Piston stroke	85.9 mm (3.382 in)
Valvetrain	DOHC
Compression ratio	9.8:1
Combustion
Fuel system	Direct fuel injection
Management	ECU
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	306 hp (228 kW) @ 6500 rpm
Torque output	295 lb·ft (400 N·m) @ 2500 rpm

Earth Dreams
First Honda Type R engine to be built in the USA at the Honda Anna Engine Plant in Anna, Ohio.

Applications

Application	Redline	Rev limiter	i-VTEC engagement	VTEC Timing Shift	Intake Manifold
2015+ Honda Civic Type R	7000 RPM

K20C2

Found in:
- 2016 Honda Civic LX / EX (US)
- United States Formula 4 Championship (although originally planned for a C1, the 158 BHP C2 engine complies with the FIA restrictions on F4 engines)
  - Displacement: 1,996 cc (121.8 cu in) PGM-FI
  - Bore and Stroke: 86 mm x 85.9 mm
  - Compression: 9.8:1
  - i-VTEC engagement: @ 6100 rpm
  - Power: 158 BHP @ 6500 rpm
  - Torque: 138 lb·ft @ 4200 rpm

K20Z

Honda K20Z
Overview
Manufacturer	Honda Motor Co., Ltd.
Production	2005-2015
Combustion chamber
Configuration	I4
Displacement	2.0 L; 121.9 cu in (1,998 cc)
Cylinder bore	86 mm (3.386 in)
Piston stroke	86 mm (3.386 in)
Valvetrain	DOHC
Compression ratio	See left for specific application.
Combustion
Fuel system	Fuel injection
Management	ECU
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	See left for specific application.
Torque output	See left for specific application.

Applications

Engine	Application	Compression	Power	Torque	Redline	Rev limiter	i-VTEC engagement	Intake Manifold
K20Z1	2005-2006 Acura RSX Type-S	11.0:1	210 hp (160 kW) @ 7800 RPM^{[lower-alpha 1]}	143 lb·ft (194 N·m) @ 7000 RPM	8100 RPM	8300 RPM	5800 RPM
K20Z1	2005-2006 Honda Integra Type S (AUDM/NZDM)	11.0:1	220 hp (160 kW) @ 7800 RPM	143 lb·ft (194 N·m) @ 7000 RPM	8100 RPM	8300 RPM	5800 RPM
K20Z2	2006-2011 Acura CSX	9.8:1	153 hp (114 kW) @ 6000 RPM	139 lb·ft (188 N·m) @ 4500 RPM	6800 RPM
	2006-2011 Honda Civic (JDM)	9.8:1	153 hp (114 kW) @ 6000 RPM	139 lb·ft (188 N·m) @ 4500 RPM	6800 RPM
	2006-2015 Honda Accord (EDM)	9.8:1	153 hp (114 kW) @ 6000 RPM	139 lb·ft (188 N·m) @ 4500 RPM	6800 RPM
	2006-2010 Honda Civic 2.0 S / S-L (PHDM)	9.8:1	153 hp (114 kW) @ 6000 RPM	139 lb·ft (188 N·m) @ 4500 RPM	6800 RPM
K20Z3	2006-2011 Honda Civic Si	11.0:1	197 hp (147 kW) @ 7800 RPM^{[lower-alpha 2]}	139 lb·ft (188 N·m) @ 6200 RPM^{[lower-alpha 2]}	8000 RPM	8300 RPM	5800 RPM	RBC^{[lower-alpha 3]}
K20Z3	2007-2010 Acura CSX Type-S	11.0:1	197 hp (147 kW) @ 7800 RPM^{[lower-alpha 2]}	139 lb·ft (188 N·m) @ 6200 RPM^{[lower-alpha 2]}	8000 RPM	8300 RPM	5800 RPM
K20Z4	2007-2010 Honda Civic Type R (EDM)	11.0:1	201 hp (150 kW) @ 7800 RPM	142 lb·ft (193 N·m) @ 6800 RPM	8000 RPM	8200 RPM	5400 RPM

↑ SAE BHP measurement changes from 2005 to 2006. Thus, reducing the 2006 Acura RSX Type-S rating from 210 hp (160 kW) to 201 hp (150 kW) on paper.
1 2 3 4 SAE net Rev 8/04
↑ The RBC is not a variable-length intake.

Additional Engine Specifics K20Z3

It has an aluminum block with an aluminum head. The K20Z3 has traditional performance VTEC cams on the intake and the exhaust cams. Variable valve timing technology is included on the intake but not the exhaust cams. The added valve timing control corresponds to the added i in i-VTEC.

K23

K23A1

Turbocharged
Found in:
- 2007-2012 Acura RDX^[3]
  - Displacement: 2,300 cc (140.4 cu in)
  - Bore and Stroke: 86 mm x 99 mm (3.4 x 3.9 inches)
  - Compression: 8.8:1
  - Power: 240 hp (179 kW) @ 6000 rpm (SAE net)
  - Torque: 260 lb·ft (353 N·m) @ 4500 rpm (SAE net)
  - Redline: 6800 rpm

K24

K24A4

Found in Japanese market Accord (TSX in US) and special edition Odyssey. To make it somewhat confusing there are two K24A versions in Japan. One being 3 cam lobe engine 200 hp similar to USDM K24A2. Then 2 cam lobe engine 160 hp similar to USDM K24A4.

K24A1

Found in:
- 2002-2004 Honda CR-V
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
  - Compression: 9.6:1
  - Power: 160 hp (120 kW) @ 6000 rpm
  - Torque: 162 lb·ft (220 N·m) @ 3600 rpm
  - Redline: 6500 rpm
Found in:
- 2001-2006 Honda CR-V (Per new SAE regulations)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
  - Compression: 9.6:1
  - Power: 156 hp (116 kW) @ 5900 rpm
  - Torque: 160 lb·ft (217 N·m) @ 3600 rpm
  - Redline: 6500 rpm

K24A2

Found in:
- 2004-2008 Acura TSX, JDM CL9 Accord Type-S, RB1 Odyssey Absolute
  - Displacement: 2,354 cc (143.6 cu in)
  - Power: 200 PS (150 kW; 200 hp) @ 6800 rpm
  - Torque: 232 N·m (171 lb·ft) @ 4500 rpm (166 lbft @ 4500 rpm U.S.)
  - Bore: 87 mm
  - Stroke: 99 mm
  - Compression: 10.5:1
  - i-VTEC Engagement: 6000 rpm
  - Redline:
    - Automatic 7100 rpm
    - Sequential Sportshift 7300 rpm (7100 rpm U.S.)
    - Manual 7600 rpm (7100 rpm U.S.)
  - piston oil squirters (for cooling)
- Note: The 2006-2008 K24A2 in the U.S. market Acura TSX has the following improvements^[4]
  - Power: 205 hp @ 7000 rpm
  - Torque: 170.5 lbft @ 4500 rpm
  - Increased intake flow:
    - Intake valve + 1 mm oversize
    - Intake cam High lift lobe with 0.9 mm more lift and 12 degrees more duration
    - Throttle body increased from 60–64 mm
    - Radius on some intake pipes increased from 70–80 mm
  - Increased exhaust flow
    - Exhaust Head pipe increased from 60–65 mm
    - Higher flow catalytic converter
    - Main (single) exhaust pipe increased from 54–57 mm
    - Rear (twin) pipes increased in diameter from 42.5 to 45 mm
  - Block improvements:
    - Additional air passages in crankcase for reduced pumping losses
  - Other
    - Stronger connecting rods
    - New crankshaft with more counterbalance weight
    - Revised pistons with more valve-piston clearance

K24A3

Found in:
- 2003-2007 Honda Accord (Europe) and Japan (JDM) and 2003-2007 Honda Accord Euro CL9 (Australia, New Zealand)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.5:1
  - Power: 190 hp (140 kW) @ 6800 rpm
  - Torque: 164.5 lb·ft (223 N·m) @ 4500 rpm
  - VTEC Engagement: 6000 rpm
  - Redline: 7200 rpm

K24A4

Found in:
- 2003-2005 Honda Accord (USDM), 2003-2006 Honda Element
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 9.7:1
  - Power: 160 hp (109 kW) @ 5500 rpm (166 hp in 2007/2008)
  - Torque: 161 lb·ft (218 N·m) @ 4500 rpm (@4000 rpmin 2007/2008)
  - Redline: 6800 rpm
  - 16 Valve, Single valve springs
  - Cable and servo actuated throttle
  - Timing chain
  - i-VTEC System (Combines previous VTEC technology with VTC technology (Variable Timing Control) for a continuously variable intake valve timing and variable valve lift)
  - Aluminium open block deisgn with aluminum cylinder head
  - Oils Capacity and Viscosity Including Filter: 4.4 Quarts (4.2) Liters, SAE 5W-20
  - Firing Order: 1-3-4-2
  - Valve Clearance: Intake - 0.008 to 0.010 in. (0.21 to 0.25mm) Exhaust - 0.011 to 0.013 in. (0.28 to 0.32mm)
  - Speed/Density Electronic Fuel Injection System Utilizes 270cc injectors and operates at a fuel system pressure between 48 and 55 psi

K24A8

Found in:
- 2006-2007 Honda Accord
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 9.7:1
  - Power: 166 hp (124 kW) @ 5800 rpm
  - Torque: 160 lb·ft (217 N·m) @ 4000 rpm
  - Redline: 6500 rpm
  - i-VTEC engagement: 2,400 rpm (fuel efficiency EGR) 4,500 rpm (performance)
  - Electronically controlled throttle
- 2007-2011 Honda Element
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 9.7:1
  - Power: 166 hp @ 5800 rpm
  - Torque: 161 lb·ft (218 N·m) @ 4000 rpm
  - Redline: 6800 rpm
  - i-VTEC engagement: 2,400 rpm (fuel efficiency EGR) 4,500 rpm (performance)
  - Electronically controlled throttle

K24Z1

Found in:
- 2007-09 Honda CR-V (RE3, RE4)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 9.7:1
  - Power: 166 hp @ 5800 rpm
  - Torque: 161 lb·ft @ 4200 rpm
  - Redline: 6500 rpm

K24Z2

Found in:
- 2008-12 Honda Accord LX/LX-P trim models (CP2)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.5:1
  - Power: 177 hp @ 6500 rpm
  - Torque: 165 lb·ft @ 4300 rpm
  - Redline: 6800 rpm

K24Z3/K24Z

Found in:
- 2008-12 Honda Accord LX-S/EX/EX-L trim models (CP2, CS1)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.7:1
  - Power: 190 hp @ 7000 rpm
  - Torque: 162 lb·ft @ 4400 rpm
  - Redline: 7100 rpm

K24Z3^[5]

Found in:
- 2008+ Acura TSX Aspec / Honda Accord / Honda Accord Euro (CU2)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 11.0:1
  - Power: 201 hp @ 7000 rpm
  - Torque: 172 lb·ft (MT), 170 lb·ft (AT) @ 4300 rpm
  - Redline: 7100 rpm
  - VTEC: 5100 rpm

K24Z4

Found in:
- 2008-2012 Honda CR-V (RE7)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 9.7:1
  - Power: 161 hp @ 5800 rpm
  - Torque: 161 lb·ft @ 4200 rpm
  - Redline: 6500 rpm

K24Z5

Found in:
- 2009+ Honda Spirior
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.5:1
  - Power: 184 @ 6500 rpm (133 kW @ 6500 rpm)
  - Torque: 164 lb·ft @ 4300 rpm (225Nm @ 4300 rpm)
  - Redline: 6500 rpm

K24Z6

Found in:
- 2010 Honda CR-V (US)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.5:1
  - Power: 180 hp @ 6800 rpm
  - Torque: 161 lb·ft @ 4400 rpm
  - Redline: 7100 rpm
  - Fuel Cutoff: 7200 rpm
- 2012 Honda CR-V (US)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 10.0:1
  - Power: 185 HP @ 7000 rpm
  - Torque: 163 lbs·ft @ 4400 rpm
  - Redline: 7000 rpm

K24Z7

Found in:
- 2012+ Honda Civic Si (US)
- 2014-2015 Honda Civic Si Coupe and Sedan (US) with re-tuned exhaust boasts higher numbers.
  - Power: 205 bhp @ 7000 rpm
  - Torque: 174 lb·ft @ 4400 rpm
- 2013-2015 Acura ILX
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm (3.43 x 3.90 inches)
  - Compression: 11.0:1
  - Power: 201 bhp @ 7000 rpm
  - Torque: 170 lb·ft @ 4400 rpm
  - Redline: 7100 rpm
  - Fuel Cutoff: 7200 rpm

K24Y1

Found in:
- 2012 Honda CR-V (Thailand)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99 mm
  - Compression: 10.5:1
  - Power: 170 HP (125 kW) @ 6000 rpm
  - Torque: 220 NM (22.4 kg-m)@ 4300 rpm
  - Redline: 6,500 rpm

K24Y2

Found in:
- 2012 Honda Crosstour
  - Compression: 10.0:1
  - Power: 192 HP @ 7000 rpm
  - Torque: 162 lbft @ 4400 rpm
  - Redline: 7100 rpm

K24W1 (Earth Dreams)

Found in:
- 2013-2015 Honda Accord Sedan and Coupe (US)
- 2015 and 2016 Honda CR-V (US)
  - Displacement: 2,356 cc (143.8 cu in)
  - Bore and Stroke: 87 mm x 99.1 mm
  - Compression: 11.1:1
  - Power: 185HP(190hp on the Ex) @ 6400 rpm (189 HP Sport Model)
  - Torque: 181 lbs·ft @ 3900 rpm (182 lbs ft Sport Model)
  - Redline: 6,800 rpm

K24W2 (Earth Dreams)

Found in:
- 2013 Honda Accord
  - Compression: 11.4:1
  - Power: 185 HP @ 6400 rpm
  - Torque: 181 lbft @ 3900 rpm
  - Redline: 6,900 rpm
  - Fuel Cut: 7,200 rpm (Auto/CVT- 7,500 for manual)
  - Head Type: DOHC VTEC
  - VTEC Type: i-VTEC
  - Displacement: 2,354 cc (143.6 cu in)
  - Power: 188 PS (138 kW; 185 hp) @ 6700 rpm
  - Torque: 245 N·m (181 lb·ft) @ 3900 rpm (181 lbft @ 3900 rpm U.S.)
  - Bore: 87 mm
  - Stroke: 99.1 mm
  - Compression: 11.1:1
  - Redline: 6,900rpm
  - Fuel cut off: 7,200rpm (Auto/CVT)
  - Fuel Type: Port Fuel Injection/ DEFI ULVe-2
  - Ignition type: ECU Advanced/Controlled - Coil on Plug
    - Automatic: 7,000 rpm
    - Manual: 7,500 rpm (7,500 rpm U.S.)
  - Note: The Honda K24W2 is based on the K24Y and K24Z engines.
  - Adding: Less Friction, Less Weight, Higher Compression, Revised VTEC and i-VTEC along with all new integrated exhaust manifolds. The 2013 Honda Accord Sport gets 190 hp/185 lb-ft thanks to a slight ECU tune and larger exhaust piping and higher flow Cat. Also, the K24W series are mounted differently from the previous K series engines. They are mounted like traditional Honda engines, with the integrated exhaust manifold in the front and intake manifold in the back.

K24W3 (Earth Dreams)

Found in:
- 2013 Honda Accord Sport
  - Compression: 11.1:1
  - Power: 189 HP @ 6700 rpm
  - Torque: 182 lbft @ 3900 rpm
  - Redline: 7,000 rpm
  - Fuel Cut: 7,300 rpm (Auto/CVT- 7,600 for manual)
  - Head Type: DOHC VTEC
  - VTEC Type: i-VTEC
  - Displacement: 2,356 cc (143.8 cu in)
  - Power: 190 PS (140 kW; 190 hp) @ 6700 rpm
  - Torque: 251 N·m (185 lb·ft) @ 3900 rpm (185 lbft @ 3900 rpm U.S.)
  - Bore: 87 mm
  - Stroke: 99.1 mm
  - Compression: 11.1:1
  - Redline: 7,000rpm
  - Fuel Cut: 7,300rpm (Auto/CVT- 7,500 for manual)
  - Fuel Type: DEFI ULVe-2|
  - Ignition type: ECU Advanced/Controlled - Coil on Plug
    - Automatic: 7,000 rpm
    - Manual: 7,500 rpm (7,500 rpm U.S.)
  - Note: The Honda K24W2 and K24W3 are based on the K24Y and K24Z engines.
  - Adding: Less Friction, Less Weight, Higher Compression, Revised VTEC and i-VTEC along with all new integrated exhaust manifolds. The 2013 Honda Accord Sport gets 190 hp/185 lb-ft thanks to a slight ECU tune and larger exhaust piping and higher flow Cat. Also, the K24W series are mounted differently from the previous K's. They are mounted like traditional Honda engines, with the integrated exhaust manifold in the front and intake manifold in the back.
Found in:
- 2013 Honda Accord Sedan Sport (US)
  - Displacement: 2,354 cc (143.6 cu in)
  - Bore and Stroke: 87 mm x 99.1 mm (3.43 x 3.90 inches)
  - Compression: 11.1:1
  - Power: 190 HP @ 6700 rpm
  - Torque: 185 lbs·ft @ 3900 rpm
  - Redline: 7,000 rpm

K24W4 (Earth Dreams PGM-FI)

Found in:
- 2013 Honda Accord Sedan (Thailand and Malaysia)
- 2014 Honda Odyssey DCA-RC1 (Australia)
  - Displacement: 2,356 cc (143.8 cu in)
  - Bore and Stroke: 87 mm x 99.1 mm
  - Compression: 10.1:1
  - Power: 174 HP (129 kW) @ 6200 rpm
  - Torque: 225 NM (23 kg-m)@ 4000 rpm
  - Redline: 6,600 rpm

K24W7 (Earth Dreams)

Found in:
- 2015 Acura TLX
- 2016 Acura ILX
  - Displacement: 2,356 cc (143.8 cu in)
  - Bore and Stroke: 87 mm x 99.1 mm
  - Compression: 11.1:1
  - Power: 206 HP (154 kW) @ 6800 rpm
  - Torque: 182 lbft @ 3900 rpm
  - Redline: 7,000 rpm
  - direct injection

References

↑ "Honda K-Series Engines". JDM Spec Engines. Retrieved 20 May 2014.
↑ http://asia.vtec.net/Engines/FD2K20AR/index.html
↑ http://www.acura.com
↑ http://www.hondata.com/reflash_tsx_06.html
↑ http://www.acura.com/PressReleaseArticle.aspx?category=tsx&year=2008&id=4439-en#~pn4mEHlwaZ4wVP

External links

Honda engine pages: i-VTEC DOHC, 2.0L DOHC i-VTEC
K Series VTEC Breakdown: K Series VTEC Breakdown

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