Honda E engine

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Former Japanese automobile engines

title: "Honda E engine" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["honda-engines", "rover-engines", "straight-four-engines", "gasoline-engines-by-model", "straight-twin-engines"] description: "Former Japanese automobile engines" topic_path: "general/honda-engines" source: "https://en.wikipedia.org/wiki/Honda_E_engine" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Former Japanese automobile engines ::

::data[format=table title="Infobox automobile engine"]

FieldValue
nameHonda E engine
imageHonda EK1Engine.jpg
caption1751 cc EK1 Engine in a 1983 Honda Accord
manufacturerHonda
production1971–1987
configurationInline-2, Inline-4
valvetrainSOHC 2 or 3 valves x cyl.
fueltypeGasoline
fuelsystemKeihin carburetor or PGM-FI
coolingsystemWater-cooled
turbochargerIHI with intercooler (on some versions)
compression7.4:1-10.2:1
displacement356-1829 cc
bore66 mm
67 mm
70 mm
72 mm
74 mm
77 mm
stroke50.6 mm
67 mm
69 mm
76 mm
82 mm
86 mm
86.5 mm
90 mm
93 mm
94 mm
power28-130 PS
torque4.2-16.3 kgm
::

|name=Honda E engine |image=Honda EK1Engine.jpg |caption=1751 cc EK1 Engine in a 1983 Honda Accord |manufacturer=Honda |production=1971–1987 |configuration=Inline-2, Inline-4 |valvetrain=SOHC 2 or 3 valves x cyl. |fueltype=Gasoline |fuelsystem=Keihin carburetor or PGM-FI |coolingsystem=Water-cooled |turbocharger=IHI with intercooler (on some versions) |compression=7.4:1-10.2:1 |displacement=356-1829 cc |bore=66 mm 67 mm 70 mm 72 mm 74 mm 77 mm |stroke=50.6 mm 67 mm 69 mm 76 mm 82 mm 86 mm 86.5 mm 90 mm 93 mm 94 mm |power=28-130 PS |torque=4.2-16.3 kgm The E-series was a line of inline four-cylinder automobile engines designed and built by Honda for use in their cars in the 1970s and 1980s. These engines were notable for the use of CVCC technology, introduced in the ED1 engine in the 1975 Civic, which met 1970s emissions standards without using a catalytic converter.

The CVCC ED1 was on the Ward's 10 Best Engines of the 20th century list.

EA

:Also see the Japanese Wikipedia entry

The EA-series is a water-cooled 356 cc inline two-cylinder engine replacing the N360's air-cooled 354 cc engine. An SOHC design with a timing belt (replacing the chain used in the N360 engine), the EA was first seen in the 1971 Honda Life. This engine was derived from the air-cooled engine in the Honda CB450 and was adapted for water-cooled application. The displacement was reduced to be in compliance with Japanese kei car legislation that stipulated maximum engine displacement. Bore and stroke were 67x50.6 mm. A version producing 30 PS at 8,000 rpm was installed in the Honda Life, while the Honda Z and the Honda Life Touring (introduced in May 1972) received a twin-carb model with 36 PS at a heady 9,000 rpm.

EB

The aluminium-block EB series was fitted to the first generation Honda Civic, although the cast-iron EB5 was installed in the short-lived Honda 145.

  • Displacement 1169 cc
  • Bore & Stroke 70x76 mm
  • compression ratio: 8.6:1
  • Valve Train: SOHC 8-valve
  • design with a 2 barrel carburetor or 1 carburetor
  • Power: 69 PS at 5,500 rpm
  • Torque: 10.2 kgm at 4,000 rpm
  • Max Speed: 155 km/h estimated

;EB2/EB3

  • The EB2 and EB3 displace 1237 cc and different diameter valves in the head. A CVCC version was also developed later, called the "EE".
  • Bore & Stroke 72x76 mm
  • Valve Train: SOHC 8-valve
  • design with a 2 barrel carburetor or 1 carburetor
  • Power: 64 PS at 5,000 rpm and
  • Torque: 10.6 kgm at 3,000 rpm

;EB5

  • Displacement 1433 cc
  • Bore & Stroke 70x88 mm
  • compression ratio: 8.6:1
  • Valve Train: SOHC 8-valve
  • design with a 2 barrel carburetor or fuel injection
  • Power: 79 PS at 5,500 rpm or 90 PS at 5,500 rpm
  • Torque: 87 lbft at 4,000 rpm or 91 lbft at 4,000 rpm

Applications: ;EB1

EC

  • Displaced 1488 cc

  • Bore & Stroke 74x86.5 mm.

  • compression ratio: 8.1, 8.4 (Van)

  • Valve Train: SOHC 8-valve

  • design with a 2 barrel carburetor.

  • Fel control: electric fuel pump

  • Power: 65 PS at 5,500 rpm 76 PS at 5,500 rpm (1979 Civic Van)

  • Torque: 10.5 kgm at 3,000 rpm 11.1 kgm at 3,500 rpm (1979 Civic Van)

  • Oil Capacity: 3.5 L

  • EC

    • 1975-1979 Honda Civic 4 doors
    • 1975-1979 Honda Civic Van (VB)

ED==

::figure[src="https://upload.wikimedia.org/wikipedia/commons/0/08/Honda_CIVIC_CVCC_engine.JPG" caption="The ED engine in Honda's museum"] ::

The ED series introduced the CVCC technology; it is otherwise the same as the contemporary EC engine. It displaced 1488 cc and used an SOHC 12-valve design. Output with a 3 barrel carburetor was 53 PS at 5000 rpm and 9.4 kgm at 3000 rpm.

{{anchor|EE}} EE

The EE series applied the CVCC technology to the 1237 cc and used an SOHC 12-valve design. It was replaced by the 1.3-liter EJ engine in 1978. The EE engine produces 63 PS at 5500 rpm and 9.5 kgm at 3500 rpm.

EF

  • Displaced 1599 cc
  • Bore & Stroke 74x93 mm
  • compression ratio: 8.0:1
  • Valve Train: SOHC 12-valve CVCC
  • design with a 3 barrel carburetor.
  • Fuel control: electric fuel pump
  • Power: 82 PS at 5,300 rpm
  • Torque: 12.35 kgm at 3,000 rpm
  • Cast iron block & aluminum cylinder head
  • Six port cylinder head (four intake ports and two exhaust ports)
  • Valve order (IEEIIEEI)
  • Three barrel Keihin carburettor (1976 & 1977 had manual choke, 1978 and up cars received an automatic choke)
  • Point type ignition

USAGE: 1976-1978 Honda Accord CVCC, US market automobiles.

EG

The EG displaced 1598 cc and was an SOHC 8-valve engine with a 2 barrel carburetor. Output was 69 PS at 5000 rpm and 11.7 kgm at 3000 rpm.

EG

1976-1978 Honda Accord Non USDM

EH

The water-cooled SOHC two-cylinder EH was first seen installed in the first generation Honda Acty truck introduced in July 1977, and later in the 1985 Honda Today. It was based on one bank of cylinders from the horizontally opposed four used on the Honda Gold Wing GL1000 motorcycle, with which it shared the 72 mm bore. The horsepower rating of the 545 cc 72x67 mm engine was 28 PS at 5,500 rpm, and 4.2 kgm at 4,000 rpm. When installed in the Today, max power was raised to 31 PS at the same revs, and torque at 4.4 kgm, with a compression ratio of 9.5:1.

Applications:

EJ

  • Displaced 1335 cc
  • Bore & Stroke 72x82 mm
  • compression ratio: 7.9:1
  • Valve Train: SOHC 12-valve auxiliary valve CVCC
  • Fuel Control: Electric fuel pump
  • Power: 68 PS at 5,500 rpm
  • Torque: 10 kgm at 3,500 rpm
  • Max Speed: 155 km estimated
  • Oil Capacity: 3 L
  • EJ
  • EJ1

EK

The EK was an SOHC 12-valve (CVCC) engine, displacing 1751 cc. Output varied (see below) as the engine itself was refined. This was the last CVCC configuration engine manufactured by Honda.

  • Displaced 1751 cc

  • Bore & Stroke 77x94 mm

  • compression ratio: 8.8:1

  • design with a 3 barrel carburetor.

  • Fuel control: electric fuel pump

  • Power: 97 PS at 5,500 rpm

  • Torque: 14.3 kgm at 3,000 rpm

  • Cast iron block & aluminum cylinder head

  • Three barrel Keihin carburetor (all were automatic choke)

  • Electronic ignition (Nippon Denso or Tek Electronics)

  • Oil cooler (or provision for this in the block)

  • Cylinder head iterations:

    • Six port cylinder head (4 intake port / 2 exhaust ports) & IEEIIEEI valve order for 1979 & 1980 49 state
    • Eight Port cylinder head (4 intake port / 4 exhaust ports) & IEEIIEEI valve order for 1980 (California only) and 1981 (50 states)
    • Eight Port cylinder head (4 intake port / 4 exhaust ports) & EIEIIEIE valve order from 1982 to end of CVCC production (1985)

  • Power: 6-port output was 73 PS at 4500 rpm and 13 kgm at 3,000 rpm, while the original 8-port head raised this to 76 PS at 4500 rpm and 13.3 kgm at 3000 rpm. The revised 4-port (82 & later) had another slight horsepower increase. USAGE:

1979-1983 Honda Accord CVCC (US market)

1979-1982 Honda Prelude CVCC (US market)

1981-1983 Honda Accord/Vigor (JDM)

EK9 is not related to the EK engine; EK is also the chassis code for several versions of the sixth generation Honda Civic. EK9 is the chassis code for 1997-2000 Honda Civic Type R.

EL

The EL displaced 1602 cc and was an SOHC eight-valve engine with a two-barrel carburetor. Output in North American configuration is 79 PS at 5,000 rpm and 12.8 kgm at 3,000 rpm.

  • Displaced 1602 cc

  • Bore & Stroke 77x86 mm

  • compression ratio: 8.4:1

  • Valve Train: SOHC 8-valve

  • design with a 2 barrel carburetor.

  • Fuel control: electric fuel pump

  • Power: 73.5 PS SAE at 5,000 rpm

  • Torque: 12.4 kgm at 3,000 rpm

  • Oil Capacity: 3.5 L

  • EL1

EM

  • Displaced 1488 cc

  • Bore & Stroke 74x86.5 mm

  • compression ratio: 8.8:1

  • Valve Train: SOHC 12-valve auxiliar valve CVCC

  • design with a 2 barrel carburetor or 3 barrel carburetor.

  • Fuel control: electric fuel pump

  • Power: 80 PS at 5,500 rpm

  • Torque: 12.5 kgm at 3,500 rpm

  • Oil Capacity: 3 L

  • EM1

EN

The EN displaced 1335 cc. It had a single overhead cam and eight-valve head, and was fitted to Civics in all markets aside from the United States domestic market. In Europe it also found a home in the Honda Ballade-based Triumph Acclaim. Both block and head are from aluminium.

EP

The EP was an SOHC 12-valve (CVCC) engine, displacing 1601 cc. It was essentially an EL 1.6 L block with an EK 1.8 L cylinder head.

  • Displaced 1601 cc
  • Bore & Stroke 77x86 mm
  • compression ratio: 8.8:1
  • Valve Train: SOHC 12-valve
  • design with a 3 barrel carburetor.
  • Fel control: electric fuel pump
  • Power: 95 PS at 5,300 rpm
  • Torque: 13.5 kgm at 3,000 rpm
  • Oil Capacity: 3.5 L
  • EP

ER

The long-stroke ER four-cylinder engine has five crankshaft bearings and an overhead camshaft, driven by a cogged belt.

  • It was sold as a 12-valve CVCC-II in Japan and as a simple eight-valve unit in Europe and Asia,
  • It was only used in the AA/VF/FA series City/Jazz, from 1981 until 1986.
  • It was available as a normally aspirated carburated version or with Honda's own PGM-FI fuel injection as one of a very few turbocharged engines built by Honda until the 21st century.
  • The Japanese market CVCC engine was also known as COMBAX, an acronym of COMpact Blazing-combustion AXiom. The E-series were tuned for economy, with higher gearing and later on with computer-controlled variable lean burn.
  • As of March 1985, the naturally aspirated ER engines gained composite conrods (a world first in a production car), lighter and stronger these helped further reduce fuel consumption.

The lower powered engines in the commercial "City Pro" series had a lower compression, a distributor rather than the distributorless coil pack setup found in the passenger cars, and a manual choke. JIS outputs below are gross figures, while DIN outputs are net.

::data[format=table]

powertorquefuel feedcompressionnotes
45 PS DIN at 4500 rpm8.4 kgm at 2500 rpm1 bbl carburetor10.2:1 (normal)European market
56 PS DIN at 5000 rpm9.5 kgm at 3500 rpm2 bbl carburetor, manual choke10.2:1 (super)European market (ER1 & ER4 engine)
61 PS JIS at 5000 rpm9.8 kgm at 3000 rpm2 bbl carburetor9.0:1 (unleaded)Pro T, Pro F
63 PS JIS at 5000 rpm10 kgm at 3000 rpm2 bbl carburetor10.0:1 (unleaded)E-series, U, R (AT), Cabriolet (AT)
67 PS JIS at 5000 rpm10 kgm at 3500 rpm2 bbl carburetor10.0:1 (unleaded)R and Cabriolet with MT
100 PS JIS at 5500 rpm15 kgm at 3000 rpmFI, turbo7.5:1 (unleaded)City Turbo
110 PS JIS at 5500 rpm16.3 kgm at 3000 rpmFI, turbo + intercooler7.6:1 (unleaded)Turbo II "Bulldog"
::

Carburetor versions used either a single or 2bbl downdraft Keihin. The turbocharger in the Turbo and Turbo II was developed together with IHI, the Turbo II being equipped with an intercooler and a computer-controlled wastegate.

ER1-4 Honda City

ES

The ES displaced 1829 cc. All ES engines were SOHC 12-valve engines. The ES1 used dual sidedraft carburetors to produce 102 PS at 5500 rpm and 14.4 kgm at 4000 rpm. The ES2 replaced this with a standard 3 barrel carburetor for 87 PS at 5800 rpm and 13.7 kgm at 3500 rpm. Finally, the ES3 used PGM-FI for 102 PS at 5800 rpm and 14.9 kgm at 2500 rpm.

ET

The ET displaced 1829 cc and was an SOHC 12-valve engine. ET1 had a single, downdraft carb with 4-1 exhaust manifold. The ET2 with dual sidedraft carburetors and 4-2-1 exhaust manifold produced 100 PS at 5,500 rpm and 14.4 kgm at 4,000 rpm. JDM versions included a triple-barrel carburetted version for the Accord (110 PS at 5,800 rpm) and one with Honda PGM-FI which produced 130 PS at 5,800 rpm.

EV

The EV displaced 1342 cc 74mm bore, 78mm stroke and was an SOHC 12-valve design. 3 barrel carburetors produced 61 PS at 5,500 rpm and 10.1 kgm at 3,500 rpm for the US market. The JDM version, featuring 12 valves and auxiliary CVCC valves, produced 80 PS at 6,000 rpm and 11.3 kgm at 3,500 rpm. It was available in all bodystyles of the third generation Honda Civic.

EW

The final E-family engine was the EW, presented along with the all new third generation Honda Civic in September 1983. Displacing 1488 cc, the EWs were SOHC 12-valve engines. Early 3 barrel EW1s produced from 58 to and 11 to. The fuel injected EW3 and EW4 produced 92 PS at 5,500 rpm and 12.8 kgm at 4,500 rpm. The "EW" name was replaced by the Honda D15 series, with the EW (1, 2, 3, 4, and 5) renamed to D15A (1, 2, 3, 4, and 5) in 1987. It also received a new engine stamp placement on the front of the engine like the "modern D series" (1988+).

  • EW1
  • EW2
    • 1983-1987 Honda Civic non-CVCC (CDM)
  • EW3
    • 1985- Honda Civic/CRX Si non-CVCC
  • EW4
    • 1985-1986 Honda CRX Si non-CVCC
    • 1986 Honda Civic Si non-CVCC
  • EW5
    • similar to the EW1, Fuel injected CVCC 12-Valve 4 Aux valves. A third throttle plate in the throttle body supplied intake air to a 5th injector which powered the CVCC ports, The rated power is different between the Civic and the CR-X: the Civic makes 100 PS at 5800 rpm and 13.2 kgm torque at 4000 rpm, the CR-X made 110 PS at 5800 rpm and 13.8 kgm torque at 4500 rpm. Differences in power are largely down to a more efficient exhaust system on the CR-X it used a factory cast iron 4-2-1 extractor went through a catalytic converter further down the exhaust system and had twin exit tail pipes. The Civic had a short 4-1 design into a catalytic converter and single pipe exit. There was a revised intake manifold for vehicles produced in 1986 and 1987. The EW5 was only available in Japan. It came in the following models: CR-X 1.5i, Civic 25i Hatchback, Ballade CRi Sedan.

{{anchor|ZA1|ZA2}}ZA

The ZA1 and ZA2 are anomalously named, but closely related to the 1.3-litre EV. With a shorter stroke but the same bore 74x69 mm, this 1187 cc shared most of the EV's characteristics. It was only sold in the third generation Civic in European and various smaller markets where the taxation structure suited this version. The high octane version produces 62 PS at 6000 rpm and 9.0 kgm at 4000 rpm. There was also a low-octane model, producing 55 PS at 6000 rpm.

  • 1984-1987 Honda Civic hatchback (AL)
  • 1984-1987 Honda Civic saloon (AM)

References

ja:ホンダ・E型エンジン

References

  1. (2007). "360cc: Nippon 軽自動車 Memorial 1950→1975". Yaesu Publishing.
  2. (1978-10-10). "自動車ガイドブック". [[Japan Automobile Manufacturers Association]].
  3. (1976-10-20). "自動車ガイドブック". [[Japan Automobile Manufacturers Association]].
  4. How to Rebuild Your Honda Car Engine by Tom Wilson, copyright 1985, HP Books, {{ISBN. 0-89586-256-5
  5. (2007). "Car Graphic: Car Archives Vol. 11, '80s Japanese Cars". Nigensha.
  6. "Honda｜プレリュード（1982年10月終了モデル）".
  7. (1985). "World Cars 1985". The Automobile Club of Italy/Herald Books.
  8. Koichi Inouye. (1985). "World Class Cars Volume 2: Honda, from S600 to City". Hoikusha.
  9. "Honda: Auto Lineup Archive". Honda Motor Co., Ltd..
  10. (1984). "Auto Katalog 1985". [[:de:Motor Presse Stuttgart.
  11. According to [http://www.honda.co.jp/auto-archive/city/turbo2-1986/turbo2_sy.html "Honda City Turbo II"] page in the ''Honda Auto Archive'' and ''Auto Katalog 1985'', p 232. ''World Class Cars #2: Honda'' (p 121) lists compression as 7,4:1.
  12. ''[[#WC85. World Cars 1985]]'', pp. 349–350
  13. ''[[#WC85. World Cars 1985]]'', pp. 346–348
  14. Kurki-Suonio, Hannu. (1985-03-19). "Autotieto 1985". TM-Julkaisu.

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