Honda B engine

Honda B-Series engine
Honda B-Series engine
Overview
Manufacturer	Honda
Production	1988–2001
Layout
Configuration	Naturally aspiratedinline-4
Displacement	1.6–2.0 L; 97.3–120.4 cu in (1,595–1,973 cc)
Cylinder bore	81 mm (3.19 in); 84 mm (3.31 in);
Piston stroke	77.4 mm (3.05 in); 81.4 mm (3.20 in); 87.2 mm (3.43 in); 89 mm (3.5 in);
Valvetrain	DOHC,VTECin some models
Compression ratio	8.8:1-11.1:1
RPM range
Max. engine speed	6,500 - 8,400 rpm
Combustion
Fuelsystem	DualKeihincarburetors; Programmed fuel injection;
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	100–200 hp (75–149 kW; 101–203 PS)
Torque output	150–190 N⋅m (111–140 lb⋅ft)
Chronology
Successor	Honda K engine

TheB-seriesare a family of inline four-cylinder DOHC automotive engines introduced byHondain 1988. Sold concurrently with theD-serieswhich were primarily SOHC engines designed for more economical applications, the B-series were a performance option featuring dual overhead cams along with the first application of Honda'sVTECsystem (available in some models), high-pressure die cast aluminum block, cast-in quadruple-Siamese iron liners.^[1]

To identify a Honda B-series engine, the letter B is normally followed by two numbers to designate the displacement of the engine, another letter, and in US-spec engines, another number. The Japanese spec-engines are normally designated with a four character alphanumeric designation.^[2]The B-series, the B20B variant in particular, is not to be confused with the earlierHonda B20A engineintroduced in 1985 and primarily available in the Prelude and Accord-derived vehicles from 1985 to 1991. While sharing some design elements and both being multivalve Honda four-cylinders, the B-series and B20A differ substantially in architecture, enough to be considered distinct engine families.^[3]

They were made in 1.6 L (1,595 cc), 1.7 L (1,678 cc), 1.8 L (1,797 cc), 1.8 L (1,834 cc), and 2.0 litres (1,973 cc) variants, with and without VTEC (Variable valve Timing and Electronic lift Control). Later models have minor upgrades including modifications to the intake valves and ports and piston tops, along with individual cylinder oil injectors (B18C models). They produce between 126 hp (94 kW; 128 PS) and 190 hp (142 kW; 193 PS), with some models capable of aredlineover 8500 RPM.^[4]

Although it has many variations, the basic design differs very little among the B-Series. There are actually two short blocks which are used for the entire series. The distinction between them was the cylinder block deck height. The one used for B16 and B17 engines (except for B16B) has a deck height of 203.9 mm (8.03 in) while the short block used for B16B, B18 and B20 engines has a deck height of 212 mm (8.3 in).^[5]

The Honda B16 has appeared in six different forms over the years. The Honda B-series was replaced by theK-seriesin Civic, Integra, Odyssey, and CR-V applications.

B16

B16A (First Generation)

First generation of the B16A engine

The first VTEC engine.

B16A found in:
- 1989-1993 Honda Integra XSi
- 1989-1991 Honda CRX SiR (EF8)
- 1989-1991 Honda Civic SiR (EF9)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Compression: 10.2:1
Bore x Stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
Rod Length: 134 mm (5.3 in)
Rod/stroke ratio: 1.745
Power: 158 hp (118 kW; 160 PS) at 7600 RPM & 150 N⋅m (111 lb⋅ft) at 7000 RPM
RPM:
- VTEC engagement: 5500 RPM
- Redline: 8000 RPM
- Rev Limit: 8200 RPM
Transmission: S1/J1/YS1 (4.4 final drive, cable clutch, optional LSD for YS1), Y1 (4.266 final drive, cable clutch, optional LSD)
ECU code: P-fk1 (DA6/DA8/EF8), PW0 (EF8/EF9/DA6), PR3 (EF8/EF9) OBD0^[6]

B16A (Second Generation)

B16A engine

Found in:
- 1992–1993Honda Integra"XSi" (DA6, DA8)
- 1992–1994Honda CivicSiR/SiRII(EG6)
- 1992–1993Honda Civic FerioSiR(EG9)
- 1992–1995Honda CR-X del SolSiR(EG2)
- 1996–1998Honda CivicSiR/SiRII(EK4)
- 1996–2000Honda Civic FerioSiR(EK4)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Compression: 10.4:1
Bore x Stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
Rod Length: 134 mm (5.3 in)
Rod/stroke ratio: 1.745
Power: MT: 172 PS (127 kW; 170 hp) at 7400 RPM & 157 N⋅m (116 lb⋅ft) at 7000 RPM
RPM:
- VTEC engagement: 5500 RPM
- Redline: 8200 RPM
Transmission: YS1/S4C/Y21/S21/ S24A (4.4 final drive, optional LSD)
ECU code: P30 (EG2/EG6/EG8/EG9), PR3 (DA6)
OBD1 P2T (EK4) OBD2

B16B (Type R)

B16B engine

B16B in a Honda Civic Type R

Found in:
- 1997–2000Civic Type R
Displacement:1.6 L; 97.3 cu in (1,595 cc)
Compression ratio:10.8:1
Bore x stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
Rod/Stroke ratio: 1.85:1
Rod Length: 142.42 mm (5.607 in)
Power: 185 PS (182 hp; 136 kW) at 8,200 RPM
Torque:160 N⋅m (118 lb⋅ft) at 7500 RPM
RPM:
- VTECengagement: 6,100 RPM
- Redline:8,400 RPM
- Rev Limit: 9,000 RPM
Transmission: S4C With Helical LSD (4.4 final drive, dual-cone synchronizer on second gear)
ECU code: PCT
ECU Socket Type: OBD-2A (1996-1998 models) / OBD-2B (1999-2000 models)

Note: This engine uses the same block as the Integra Type R, which is taller than the B16A block, but with a crank the same stroke as the B16A. It uses longer rods to accommodate for this, which is why the Rod/Stroke ratio is higher than a standard B16. It is basically a ‘Destroked B18C Type R engine’^[7]^[8]

B16A1

B16A1 engine

VTEC
Found in:
- CRX'1.6 DOHC VTEC (EE8) - European market (EDM)
- Civic'1.6 DOHC VTEC (EE9) - European market (EDM)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Bore×Stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
Compression: at 10.2:1
Power: 150 hp (112 kW; 152 PS) at 7600 RPM
Torque: 111 lb⋅ft (150 N⋅m) at 7100 RPM
RPM:
- VTEC engagement: 5200 RPM
- Redline: 8200 RPM
Transmission: Y2
OBD0
ECU CODE: PW0

B16A2

B16A2 engine

DOHC VTEC
Found in:
- 1992-2000 Honda Civic EDM VTi (EG6/EG9 & EK4)
- 1992-1997 Honda Civic del Sol EDM VTi (EG)
- 1996-1997 Honda Civic del Sol VTECUSDM(EG2)
- 1996-1998 Honda Civic AUDM & NZDM Vti-R (EK4)
- 1999-2000 Honda Civic AUDM Vti-R (EM1)
- 1999-2000 Honda Civic USDM Si (EM1)
- 1999-2000 Honda Civic SiR Philippines (EK4 Sedan)
- 1999-2000 Honda CivicCDMSiR (EM1)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Bore×Stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
Power: 160 hp (119 kW; 162 PS) at 7600 RPM & 111 lb⋅ft (150 N⋅m) at 6500 RPM
Compression: 10.2:1
RPM:
- VTEC engagement: 5600 RPM
- Redline: 8000 RPM
- Rev Limit: 8200 RPM
Transmission: Y21, S4C^[9]

B16A3

DOHC VTEC
Found in:
- 1994-1995 Del Sol VTEC USDM VERSION
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Power: 160 hp (119 kW; 162 PS) at 7600 RPM & 111 lb⋅ft (150 N⋅m) at 6700 RPM
Compression: 10.2:1
Bore×Stroke: 81 mm × 77.4 mm (3.19 in × 3.05 in)
RPM:
- VTEC engagement: 5600 RPM
- Redline: 8200 RPM
- Rev Limit: 8500 RPM
Transmission: Y21
OBD1 PR3 is also stamped on head

B16A4

VTEC
Found in:
- 1996-2000 Civic Si-RII (JDM version) (EK4)
Displacement: 1,595 cc (97.3 cu in)
Compression: 10.4:1
Power: 130 kW (177 PS; 174 bhp) @ 7800 rpm & 111 ft·lbf (150 N·m) @ 7300 rpm
Redline: 8000 rpm
Transmission: Y21

B16A5

VTEC
Found in:
- 1996-2000 Civic Si-RII (JDM version) (EK4)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Compression: 10.4:1
Power: 174 hp (130 kW; 176 PS) at 7800 RPM & 150 N⋅m (111 lb⋅ft) at 6300 RPM
Redline: 8500 RPM
Transmission: Y21

Note: Only offered on SiRs with automatic transmissions.

B16A6

VTEC
Found in:
- 1996–2000 Honda Civic – Middle East & South Africa VTEC (SO3, SO4)
Displacement: 1.6 L; 97.3 cu in (1,595 cc)
Compression: 10.2:1
Power: 158 hp (118 kW; 160 PS) at 7800 RPM & 118 lb⋅ft (160 N⋅m) at 6400 RPM
Transmission: S4C
VTEC engagement: 5500 RPM

B17

B17A1

VTEC
Found in:
- 1992–1993IntegraGS-R (USDM/Canadian market VTEC Model VIN DB2)
  - Displacement: 1.7 L; 102.4 cu in (1,678 cc)
  - Bore x Stroke: 81 mm × 81.4 mm (3.19 in × 3.20 in)
  - Rod/Stroke Ratio: 1.63
  - Rod Length: 132.28 mm (5.208 in)
  - Compression: 9.7:1
  - VTEC engagement: 5750 RPM
  - Power: 160 bhp (119 kW; 162 PS) at 7600 RPM & 117 lb⋅ft (159 N⋅m) at 7000 RPM
  - Redline: 8000 RPM
  - Fuel Cutoff: 8250 RPM
  - First DOHC VTEC B series to be marketed in North America as export only. Not available in Japan.^[10]
  - Came equipped with the YS1 cable transmission, which was different from other cable B-series YS1 transmissions as it has a different input shaft and a shorter final drive.

B18

B18A

The original Japanese B18A is not considered to be part of the modern B-series family, although it shares its dimensions with the later B18A1. This engine shares many characteristics with the B20A/B21 SeeHonda B20A engine.

- 1986–1989 Accord Aerodeck LXR-S/LX-S (Japan)
- 1986–1989 Accord EXL-S/EX-S (Japan)
- 1986–1989VigorMXL-S (Japan)
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.7:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - DualKeihin Carburetors
  - Power: 100 PS (74 kW; 99 hp) at 6100 RPM & 128 lb⋅ft (174 N⋅m) at 4700 RPM
  - Transmission: A2N5, E2N5

B18A1

Non-VTEC
Found in:
- 1990–1991 Acura Integra USDM "RS/LS/LS Special Edition/GS" (DA9 Liftback/Hatchback, DB1 Sedan)
  - OBD0
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Rod Length: 137.01 mm (5.394 in)
  - Rod/Stroke Ratio: 1.54
  - Redline: 6500 RPM
  - Rev Limit: 7200 RPM
  - Programmed fuel injection
  - Power: 130 bhp (97 kW; 132 PS) at 6000 RPM & 121 lb⋅ft (164 N⋅m) at 5000 RPM^[11]
  - Transmission: S1, A1, cable.
Found in:
- 1992-1993 Acura Integra USDM "GS/LS/LS Special Edition/RS" (DA9 Liftback/Hatchback, DB1 Sedan)
  - OBD1 PR4 ECU
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Rod Length: 137.01 mm (5.394 in)
  - Rod/Stroke Ratio: 1.54
  - Redline: 6700 RPM
  - Rev Limit: 7200 RPM
  - Programmed fuel injection
  - Power: 140 bhp (104 kW; 142 PS) at 6300 RPM & 126 lb⋅ft (171 N⋅m) at 5000 RPM
  - Transmission: YS1, cable. Larger input shaft than 90–91. Uses same clutch as 94+ B series hydro.

B18A2

Non-VTEC
Found in:
- 1990-1992 Honda Integra LS DB1 Sedan (assembled in India and sold in LATAM, no catalytic converter)
  - OBD0 PR4 ECU
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Rod Length: 137.01 mm (5.394 in)
  - Rod/Stroke Ratio: 1.54
  - Redline: 6500 RPM
  - Rev Limit: 6700 RPM
  - Programmed fuel injection
  - Power: 140 hp (104 kW; 142 PS) at 6300 RPM & 126 lb⋅ft (171 N⋅m) at 5000 RPM
  - Transmission: YS1, cable.

B18B1

B18B2 Engine (RS 1999)

DOHC Non VTEC
ECU code:P75
Found in:
- 94-01 Integra RS/LS/SE/GS - DB7/DC4/DC3
- 1994–2000Honda Integra"RS/LS/GS/SE/(GSI Australia)" (DC4/DB7)
- 1992–1996 JDM Honda Domani (MA5)
- 1993–1994 JDM Honda Integra (DB7)
- 1996–1999 JDM Honda Orthia (EL1)
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Rod Length: 137.01 mm (5.394 in)
  - Rod/Stroke Ratio: 1.56
  - Power: 140 bhp (104 kW; 142 PS) at 6300 RPM & 127 lb⋅ft (172 N⋅m) at 5200 RPM
  - Redline: 6800 RPM (7200 RPM on JDM Domani)
  - Rev Limit: 7300 RPM
  - Transmission: Y80/S80 Hydraulic
  - JDM version is marked B18B on the block without any number.
  - JDM version has 9.4:1 compression ratio whereas the USDM version has 9.2:1.
  - JDM version's higher compression ratio and factory tuning results in higher torque and power ratings
  - ECU code:P75

B18B2

DOHC Non-VTEC
Found in:
- 94-01 Integra RS/LS/SE/GS - DB7/DC4/DC3
- 1994–2001Honda Integra"RS/LS/GS/SE/(GSI Australia)" (DC4/DB7)
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Rod Length: 137.01 mm (5.394 in)
  - Rod/Stroke Ratio: 1.56
  - Power: 143 bhp (107 kW; 145 PS) at 6300 RPM & 127 lb⋅ft (172 N⋅m) at 5200 RPM
  - Redline: 6800 RPM (7200 RPM on JDM Domani)
  - Rev Limit: 7300 RPM
  - Transmission: Y80/S80
  - ECU code: P75

B18B3

DOHC NON VTEC
Found in:
- 1992–1995 Honda Civic – Middle East & South Africa (SR3/SR4)
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Power: 141 hp (105 kW; 143 PS) at 6000 RPM & 123 lb⋅ft (167 N⋅m) at 5000 RPM
  - Transmission: Y80
  - Ecu code: P34

B18B4

DOHC NON VTEC
Found in:
- 1996–2000 Honda Civic – Middle East & South Africa Ballade (SO3/SO4)
  - Displacement: 1.8 L; 111.9 cu in (1,834 cc)
  - Compression: 9.2:1
  - Bore x Stroke: 81 mm × 89 mm (3.19 in × 3.50 in)
  - Power: 103 kW (140 PS; 138 hp) at 6200 RPM & 126 lb⋅ft (171 N⋅m) at 4900 RPM
  - Transmission: S80
  - Ecu code:P6T

JDM B18C Type R

B18C in a Honda Integra (JDM)

DOHC VTEC
Identification: (98 spec) PR3 stamp on engine head, top radiator hose connected towards back of head
Found in:
- 95-00 Honda Integra JDM Type R (DC2 & DB8)
  - Redline: 8400 RPM
  - Rev Limit: 8900 RPM
  - Power: 197 hp (147 kW; 200 PS) at 8000 RPM & 181 N⋅m (133 lb⋅ft) at 7500 RPM(96 spec);197 hp (147 kW; 200 PS) at 8000 RPM & 181 N⋅m (133 lb⋅ft) at 6200 RPM(98 spec)^{[citation needed]}
  - Transmission: S80 with Helical LSD
  - S80 spec: J4D (96 Spec: 4.4 final drive), N3E (98 Spec: 4.785 final drive w/ 1.034 4th &.787 5th Gears)
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Compression: 11.1:1
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Rod Length: 137.9 mm (5.43 in)
  - Rod/Stroke Ratio: 1.58
  - VTEC engagement: 5800 RPM (96 spec) 6000 RPM (98 spec)
  - ECU code: P73-003 (96 spec) P73-013 (98 spec) P73-023 (00 spec)

JDM B18C

SiR-G/GSR

VTEC
Found in:
- 95-98 Honda Integra JDM SiR/SiR II (DB8, DC2)
- 98-99 Honda Integra JDM SiR-G (DB8, DC2)
- 2000 Vemac RD180
  - Identification top rad hose connected towards front of head
  - Redline: 8000 RPM
  - Rev Limit: 8200 RPM
  - Power: 132.5 kW (180 PS; 178 bhp) at 7200 RPM & 126 lb⋅ft (171 N⋅m) at 6200 RPM
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Compression: 10.6:1
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - ECU code: P72
  - VTEC engagement: 4400 RPM
  - Transmission Y80 (with optional LSD)

B18C1

DOHC VTEC
Found in:
- 1994–2001Acura IntegraUSDM GS-R (DC2 & DB8)
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Compression: 10.0:1
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Rod Length: 137.9 mm (5.429 in)
  - Rod/Stroke Ratio: 1.60
  - Power: 170 hp (127 kW; 172 PS) at 7600 RPM
  - Torque: 128 lb⋅ft (174 N⋅m) at 6200 RPM
  - Redline: 8100 rpm (Fuel Cut-off at 8300 RPM)
  - Secondary Runners Open: 5,750 RPM
  - VTEC engagement: 4400 RPM
  - ECU code: P72

B18C2

DOHC VTEC
Found in:
- 1994-2001Honda IntegraAUDM/NZDM VTi-R
  - Compression: 10.0:1
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Power: 170 hp (127 kW; 172 PS) at 7300 RPM
  - Torque: 128 lb⋅ft (174 N⋅m) at 6200 RPM
  - Redline: 8000 RPM (Fuel cut-off at 8200 RPM)
  - VTEC engagement: 4500 RPM
  - IAB engagement: 6000 RPM
  - Transmission: Y80 (OBD1) - S80 (OBD2)
  - ECU code: P72

B18C3

DOHC VTEC
Found in:
- Honda Civic Asian market,
- Honda Integra Asian market,
  - Power: 187 hp (139 kW; 190 PS) at 7600 RPM & 174 N⋅m (128 lb⋅ft) at 7500 RPM
  - Compression: 10.8:1
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)

B18C4

DOHC VTEC
Found in:
- 1992–2000 Ballade (Civic)
- 1996–2000 UK Civic VTi 5-door Hatch (MB6)
- 1996–2000 UK Civic 1.8i VTi-S (Limited Edition) 5-door Hatch (MB6)
- 1996–2001 UK Civic Aerodeck 1.8i VTi 5-door Wagon (MC2)
- 1998–1999 EU Civic Aerodeck 1.8i VTi 5-door Wagon (MC2)
- 1998–1999 EU Civic 1.8i VTi 5-door Hatch (MB6)
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - IAB open at 5750 RPM
  - VTEC engagement at 4300 RPM
  - Compression: 10.0:1
  - Power: 169 hp (126 kW; 171 PS) at 7600 RPM & 128 lb⋅ft (174 N⋅m) at 6200 RPM
  - Limit: 8400 RPM (fuel cut)
  - Transmission: S9B 4.26 final driveTorsenLSD.
  - ECU code: 37820-P9K-E11 (1997-1999) 37820-P9K-G11 (2000-2001) (uses OBD1 type ECU connectors)
  - bore x stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)

B18C5 (Type R)

DOHC VTEC
Found in:
- 1997-1998,1999 CDM, 2000-2001Acura IntegraUSDM/CDMType R
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Compression: 10.6:1^[12]
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Rod Length: 137.9 mm (5.43 in)
  - Rod/Stroke Ratio: 1.58
  - Power: 195 hp (145 kW; 198 PS) at 7800 RPM & 130 lb⋅ft (176 N⋅m) at 7500 RPM
  - Redline: 8400 RPM (Fuel cut-off at 9000 RPM)
  - VTEC engagement: 5700 RPM
  - Transmission: S80 w/LSD

B18C6 (Type R)

DOHC VTEC
Found in:
- 1998–2001Honda IntegraUKDM/EUDMType R
  - Displacement: 1,797 cc (1.8 L; 109.7 cu in)
  - Compression: 11.1:1
  - Air intake diameter: 2.4 in (62 mm)
  - Bore: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Rod Length: 137.9 mm (5.43 in)
  - Rod/Stroke Ratio: 1.58
  - Power: 190 PS (140 kW; 187 hp) at 7900 RPM & 131 lb⋅ft (178 N⋅m) at 7300 RPM
  - Redline: 8400 RPM
  - Rev Limit: 8600 RPM
  - VTEC engagement: 5900 RPM
  - Transmission: S80 w/LSD
  - ECU code: 37820-P73-G01

B18C7 (Type R)

DOHC VTEC
Found in:
- 1999-2001Honda IntegraAUDM/NZDMType R
  - Displacement: 1.8 L; 109.7 cu in (1,797 cc)
  - Compression: 11.1:1
  - Air intake diameter: 62 mm (2.4 in)
  - Bore x Stroke: 81 mm × 87.2 mm (3.19 in × 3.43 in)
  - Rod Length: 137.9 mm (5.43 in)
  - Rod/Stroke Ratio: 1.58
  - Power: 189 hp (141 kW; 192 PS) at 8200 RPM & 172 N⋅m (127 lb⋅ft) at 7500 RPM
  - Redline: 8400 RPM
  - Rev Limit: 8800 RPM
  - VTEC engagement: 5800 RPM

B20

B20B-B20B4

1996–1998 specs
non-VTEC
- Found in: USDM and JDM HondaCR-V,JDMOrthia,Stepwgn,S-MX
  - Displacement: 2.0 L; 120.4 cu in (1,973 cc)
  - Power: 126–142–140 hp (94–106–104 kW; 128–144–142 PS) at 5400 RPM
  - Torque: 133 lb⋅ft (180 N⋅m) at 4800 RPM
  - Rod length: 137 mm (5.4 in)
  - Compression: B20B4 (AO PISTONS) 8.8:1 (P75) or 9.2:1 (P8R)
  - Bore x Stroke: 84 mm × 89 mm (3.31 in × 3.50 in)
  - Redline: 6500 RPM
  - No Knock Sensor
  - Low Compression engine

B20B

1999 - 2001 specs

Non VTEC

Found in: USDMCR-Vas a B20B8,CR-Vand Honda Orthia as a B20B
Displacement: 2.0 L; 120.4 cu in (1,973 cc)
Power: 148–150 hp (110–112 kW; 150–152 PS) at 6200 RPM
Torque: 140 lb⋅ft (190 N⋅m) at 5500 RPM
Rod length: 137 mm (5.4 in)
Compression: 9.4:1 (P8R)-9.6:1 (P75)
Bore x Stroke: 84 mm × 89 mm (3.31 in × 3.50 in)
Head Cylinder: P75-5
Redline: 6800 RPM

B20Z2

1999 - 2001 specs

Non-VTEC

Found in: USDMCR-Vas a B20Z2,CR-Vand Honda Orthia as a B20B
Displacement: 2.0 L; 120.4 cu in (1,973 cc)
Power: 148–150 hp (110–112 kW; 150–152 PS) at 6200 RPM
Torque: 140 lb⋅ft (190 N⋅m) at 5500 RPM
Rod length: 137 mm (5.4 in)
Compression: 9.4:1 (P8R)-9.6:1 (P75)
Bore x Stroke: 84 mm × 89 mm (3.31 in × 3.50 in)
Redline: 6800 RPM
Some came with limited production head P8R which had 33mm intake valves (normally found on VTEC B-series) vs 31mm intake (non VTEC B series), and the head had an 84mm shrouding vs 81mm for all other B series heads. They also had a thinner head gasket which yielded a higher compression ratio vs the normal B20B of 9.2:1.

B20B JDM

1995–1997 spec
Non-VTEC
- Found in: JDM Honda Orthia, CR-V
  - Displacement: 1,973 cc (120.4 cu in)
  - Power: 126–148 hp (94–110 kW; 128–150 PS) at 6200 RPM
  - Torque: 178 N⋅m (131 lb⋅ft) at 5200 RPM [4500 RPM 2.0 GX-S]
  - Rod length: 137 mm (5.4 in)
  - Compression: 9.2:1
  - Bore x stroke: 84 mm × 89 mm (3.31 in × 3.50 in)
  - Redline: 6700 RPM
  - Rev Limit: 7300 RPM
1998-2002 specs
Non-VTEC
Displacement: 2.0 L; 120.4 cu in (1,973 cc)
Power: 150 hp (112 kW; 152 PS) at 6300 RPM
Torque: 184 N⋅m (136 lb⋅ft) at 4500 RPM
Rod length: 137 mm (5.4 in)
Compression: 9.6:1
Bore x stroke: 84 mm × 89 mm (3.31 in × 3.50 in)
Redline: 6500 RPM
Rev Limit: 7200 RPM
Some came with limited production head P8R which had 33mm intake valves (normally found on VTEC B-series) vs 31mm intake (non VTEC B series), and the head had an 84mm shrouding vs 81mm for all other B series heads.
Sourcehttp://www.honda.co.jp/auto-archive/

B20A/B20B

The B20A3 and B20A5 are the predecessor to the B family. All B-series engines were based from the B20A, but most engine components are not compatible. For more information, refer to the F3-series Honda race car that used a B20A engine. Also seeHonda B20A engine.

B Series Transmissions

Note: All (1992 up, non-Prelude) "Big Spline" B series Transmissions are interchangeable. YS1 casing can take S80 Internals or a hydraulic conversion kit can be used to operate hydraulic transmissions in cable operated models, however A1/S1/J1/Y1 internals do not swap into the later model YS1 or hydraulic casings due to different shaft diameters.^{[citation needed]}

J1/S1

Found in: Integra XSI/RSI (DA6), Civic SiR (EF9), CRX SiR (DA9, EF8)
Type: Cable
1st: 3.25
2nd: 2.052
3rd: 1.416
4th: 1.103
5th: 0.906
R: 3.000
FD: 4.400

A1/YS1

Found in: 1990-93 USDM Integra LS/RS/GS (DA)
Type:cable
1st: 3.23
2nd: 1.901
3rd: 1.269
4th: 0.966
5th: 0.742
R: 3.000
FD: 4.266

Y1

Found in: CRX/Civic (optional LSD)
Type: Cable
1st: 3.166
2nd: 2.052
3rd: 1.416
4th: 1.103
5th: 0.870
R: 3.000
FD: 4.266

Y2

Found in: CRX/Civic UKDM
Type: Cable
1st: 3.166
2nd: 2.052
3rd: 1.416
4th: 1.103
5th: 0.870
R: 3.000
FD: 4.133

YS1

Found in: Integra 92-93 XSI/RSI, USDM GS-R (DA6, DA9)
Type: Cable
1st: 3.307
2nd: 2.105
3rd: 1.459
4th: 1.107
5th: 0.880
R: 3.000
FD: 4.400

S80/N3E

Found in: Integra Type R Spec R 98+ (LSD)
Type: Hydraulic
1st: 3.230
2nd: 2.105
3rd: 1.458
4th: 1.034
5th: 0.787
R: 3.000
FD: 4.785

S80/Y80

Found in: JDM SiR-G (optional LSD) / 94+ USDM GS-R (no LSD)
Type: Hydraulic
1st: 3.231
2nd: 1.923
3rd: 1.431
4th: 1.034
5th: 0.787
R: 3.000
FD: 4.400

S9B

Found in:
- EDM/UKDM 96-01 Honda Civic 1.8 VTi MB6 (optional Torsen LSD)
- EDM/UKDM 97-01 Honda Civic Aerodeck 1.8 VTi MC2 (optional Torsen LSD)
- UKDM 1998 Honda Civic 1.8 VTi-S MB6 (Torsen LSD)
- UKDM 1998 Honda Civic Aerodeck 1.8 VTi-S MC2 (Torsen LSD)
  - Note: Torsen LSD is the same as a S80 Helical LSD but with a different brand name, nevertheless both LSD share the same part number by Honda in UK and Europe (41200-P80-003).
Type: Hydraulic
1st: 3.230
2nd: 1.900
3rd: 1.360
4th: 1.034
5th: 0.848
R: 3.000
FD: 4.267

Y21/Y80/S80/S4C

Found in:
- JDM 96-97 Integra Type R (LSD)
- JDM Civic Type R [EK9] (LSD)
- JDM Civic SiR [EK4, EG6] (optional LSD)
- JDM CR-X DEL SOL SiR (EG2) (optional LSD)
- USDM 97-01 Integra Type R (LSD)
- USDM DEL SOL VTEC (EG2) (optional LSD)
- UKDM Civic Vti (EG6, EK4, EM1)
Type: Hydraulic
1st: 3.230
2nd: 2.105
3rd: 1.458
4th: 1.107
5th: 0.848
R: 3.000
FD: 4.400, 4.266

SBXM

Found in: CR-V LX/EX (RD1)
- B series RT4WD transmission, largely based on the internals of the H series transmissions
Type: Hydraulic
1st: 3.500
2nd: 1.956
3rd: 1.344
4th: 1.071
5th: 0.812
R: 3.000 (97-99), 3.461 (00-01)
FD: 4.562

References

^"AE: Honda's Siamese-quadruplet cylinder liner casting".dwolsten.tripod.com.Archivedfrom the original on 2023-04-12.Retrieved2023-04-12.
^Jason, Siu (2008).Honda B-series engines.39966 grand ave North Branch MN,55056. p. 6.ISBN 978-1-932494-78-5.{{cite book}}:CS1 maint: location (link) CS1 maint: location missing publisher (link)
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-11-30.
^"JDM Spec Engines - Honda B-Series Engines".jdmspecengines.com.Archived from the original on June 22, 2009.{{cite web}}:CS1 maint: unfit URL (link)
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.
^"CivicTypeR.org - JDM EK9 Honda Civic Type R".Archivedfrom the original on 2011-07-25.Retrieved2010-11-23.
^"1997 Honda Civic Type R E-EK9".Carfolio.Archivedfrom the original on July 1, 2018.RetrievedJuly 1,2018.
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.
^CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.
^"FFS Tech | B-series Piston Check".Archivedfrom the original on 2017-03-05.Retrieved2017-03-02.

[1] "AE: Honda's Siamese-quadruplet cylinder liner casting".dwolsten.tripod.com.Archivedfrom the original on 2023-04-12.Retrieved2023-04-12.

[2] Jason, Siu (2008).Honda B-series engines.39966 grand ave North Branch MN,55056. p. 6.ISBN 978-1-932494-78-5.{{cite book}}:CS1 maint: location (link) CS1 maint: location missing publisher (link)

[3] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.

[4] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-11-30.

[5] "JDM Spec Engines - Honda B-Series Engines".jdmspecengines.com.Archived from the original on June 22, 2009.{{cite web}}:CS1 maint: unfit URL (link)

[6] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.

[7] "CivicTypeR.org - JDM EK9 Honda Civic Type R".Archivedfrom the original on 2011-07-25.Retrieved2010-11-23.

[8] "1997 Honda Civic Type R E-EK9".Carfolio.Archivedfrom the original on July 1, 2018.RetrievedJuly 1,2018.

[9] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.

[10] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.

[11] CarTechBooks."An Introduction to the Honda B-Series Engine".CarTechBooks.Archivedfrom the original on 2023-10-02.Retrieved2023-12-03.

[12] "FFS Tech | B-series Piston Check".Archivedfrom the original on 2017-03-05.Retrieved2017-03-02.

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