Honda_L_engine

Honda L engine

Honda L engine

Inline-four engine

This article is about the small L-series engine with a cylinder bore of 73 mm only. For the bigger 2.0-litre hybrid engine with naming started with "LF", see Honda R engine.

The L-series is a compact inline-four engine created by Honda, introduced in 2001 with the Honda Fit. It has 1.2 L (1,198 cc), 1.3 L (1,318 cc) and 1.5 litres (1,497 cc) displacement variants, which utilize the names L12A, L13A and L15A. Depending on the region, these engines are sold throughout the world in the 5-door Honda Brio Fit/Jazz hatchback Honda Civic and the 4-door Fit Aria/City sedan (also known as Fit Saloon). They can also be found in the Japanese-only Airwave wagon and Mobilio MPV.

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Two different valvetrains are present on this engine series. The L12A, L13A and L15A use (Japanese: i-DSI), or “intelligent Dual & Sequential Ignition”. i-DSI utilizes two spark plugs per cylinder which fire at different intervals during the combustion process to achieve a more complete burn of the gasoline. This process allows the engine to have more power while keeping fuel consumption low, thanks to the better gasoline utilization. Emissions are also reduced. The i-DSI engines have two to five valves per cylinder and a modest redline of only 6,000 rpm, but reach maximum torque at mid-range rpm, allowing for better performance without having to rev the engine at high speeds. The i-DSI is also known for not using Turbochargers in the performance category, as it uses a high compression, long stroke with a lightweight and compact engine.

The other valvetrain in use is the VTEC on one of the two varieties of the L15A. This engine is aimed more at performance than efficiency with a slightly higher redline with 4 valves per cylinder, which reaches peak torque at higher rpm. However, it still offers a good combination of both performance and fuel efficiency. Both the i-DSI and VTEC have relatively high compression ratios at 10.8:1 and 10.4:1, respectively.

Before April 2006, the L-series were exclusively available with a 5-speed manual transmission , continuously variable transmission (CVT) and dual clutch transmission (DCT). With the introduction of the Fit in Canada and the United States, an L-series engine was mated to a traditional automatic transmission with a torque converter for the first time. The L12A i-DSI is available exclusively in the European domestic market Jazz and is sold with only a 5-speed manual transmission.

As of 2010, the L15A7 (i-VTEC) is a class legal engine choice for SCCA sanctioned Formula F competition, joining the 1.6L Ford Kent engine.[1]

In 2016 Honda introduced the L15B (DOHC-VTC-TURBO-VTEC) engine as part of their continuing global earth dreams strategy for lower emissions and higher fuel economy for a range of their cars, available with 6-speed manual and CVT transmissions with Earth Dreams Technology.[2]

L12

L12A i-DSI

Stock L12A i-DSI engine
  • Available exclusively in the European domestic market Jazz and available with only a 5-speed manual transmission.
    • Displacement: 1.2 L; 76.0 cu in (1,246 cc)
    • Bore x Stroke: 73 mm × 74.4 mm (2.87 in × 2.93 in)
    • Compression Ratio: 10.8:1
    • Power: 78 PS (57 kW; 77 hp) at 5,700 rpm
    • Torque: 110 N⋅m (81 lb⋅ft) at 2,800 rpm
    • Variations: L12A1
    • SOHC 8 valves
    • 8 spark plugs, 2 per cylinder
  • Application:

L12B1 i-VTEC

  • SOHC 16 valve VTEC
    • Displacement: 1.2 L; 73.1 cu in (1,198 cc)
    • Bore x Stroke: 73 mm × 71.58 mm (2.87 in × 2.82 in)
    • Compression Ratio: 10.2:1
    • Power: 90 PS (66 kW; 89 hp) at 6,200 rpm
    • Torque: 114 N⋅m (84 lb⋅ft) at 4,900 rpm
    • CO2 emission: 125 g (4.4 oz)/km
    • RPMLock: 6,500 rpm
    • SpeedLock: 145 km/h (90 mph)
    • ECU: Bosch, Keihin
  • Applications:

L12B3 i-VTEC

L12B3
  • SOHC 16 valve VTEC
    • Displacement: 1.2 L; 73.1 cu in (1,198 cc)
    • Bore x Stroke: 73 mm × 71.58 mm (2.87 in × 2.82 in)
    • Compression Ratio: 10.2:1
    • Power: 90 PS (66 kW; 89 hp) at 6,000 rpm
    • Torque: 110 N⋅m (81 lb⋅ft) at 4,800 rpm
    • SpeedLock: 145 km/h (90 mph)
  • Applications:

L12B4 i-VTEC

  • SOHC 16 valve VTEC
    • Displacement: 1.2 L; 73.1 cu in (1,198 cc)
    • Bore x Stroke: 73 mm × 71.58 mm (2.87 in × 2.82 in)
    • Compression Ratio: 10.2:1
    • Power: 90 PS (66 kW; 89 hp) at 6,000 rpm
    • Torque: 110 N⋅m (81 lb⋅ft) at 4,800 rpm
  • Applications:

L13

L13A i-DSI

L13A i-DSI
  • Sold as a 1.3 in the Japanese Fit/Fit Aria and only available with the advanced ZF-DCT CVT transmission with 7 Speeds developed in Germany. European Civic 1.4 i-DSI has a standard 6-speed manual with an available 6-speed automated manual I-SHIFT transmission.
  • For 7th gen Civic, City, Fit & Jazz Models
    • Displacement: 1.3 L; 81.7 cu in (1,339 cc)
    • Bore x Stroke: 73 mm × 80 mm (2.87 in × 3.15 in)
    • Compression Ratio: 10.8:1
    • Horsepower: 83 PS (61 kW; 82 hp) at 5700 rpm (Europe)
  • 86 PS (63 kW; 85 hp) at 5700 rpm (Japan)[6]
    • Torque: 119 N⋅m (88 lb⋅ft) at 2800 rpm
    • Variations: L13A1 (Fit/Jazz), L13A7 (European market Civic), L13A8 (European market City)
  • For 8th gen Civic
    • Displacement: 1.3 L; 81.7 cu in (1,339 cc)
    • Bore x Stroke: 73 mm × 80 mm (2.87 in × 3.15 in)
    • Horsepower: 95 PS (70 kW; 94 hp)
    • Torque: 123 N⋅m (91 lb⋅ft)
    • CO2 emission: 109 g (3.8 oz)/km (for the Honda Civic Hybrid)

L13Z i-VTEC

  • Available in the second generation Honda Fit (Japan series GE6 / GE7), Honda Airwave in Japan, and the European Honda Civic.
    • SOHC 16 valve i-VTEC
    • Displacement: 1.3 L; 81.7 cu in (1,339 cc)
    • Bore x Stroke: 73 mm × 80 mm (2.87 in × 3.15 in)
    • Compression Ratio: 10.5:1
    • Horsepower: 100 PS (74 kW; 99 hp) at 6,000 rpm
    • Torque: 127 N⋅m (94 lb⋅ft) at 4,800 rpm
    • source Honda│クルマ│フィット│スペック

L13B i-VTEC

  • DOHC 16 valve i-VTEC
  • Displacement: 1.3 L; 80.4 cu in (1,318 cc)
  • Bore x Stroke: 73 mm × 78.7 mm (2.87 in × 3.10 in)
  • Compression: 13.5:1
  • Power: 100 PS (74 kW; 99 hp) at 6,000 rpm
  • Torque: 119 N⋅m (88 lb⋅ft) at 5,000 rpm (GK3 Fit)
  • Top Speed: 180 km/h (110 mph)

L13Z1 i-VTEC

L13Z1 i-VTEC in Fifth Gen Honda City Pakistan
    • SOHC 16 valve i-VTEC
    • Displacement: 1.3 L; 81.7 cu in (1,339 cc)
    • Bore x Stroke: 73 mm × 80 mm (2.87 in × 3.15 in)
    • Compression Ratio: 10.5:1
    • Power: 100 PS (74 kW; 99 hp) at 6,000 rpm
    • Torque: 128 N⋅m (94 lb⋅ft) at 4,300 rpm
    • Speed Limiter: 190 km/h (120 mph)
  • Applications:

L15A

L15A (i-VTEC / CNG)

This engine has been used since 2007 in Honda City CNG

  • SOHC 16 valve i-VTEC
    • Displacement: 1.5 L; 91.4 cu in (1,497 cc)
    • Bore x Stroke: 73 mm × 89.4 mm (2.87 in × 3.52 in)
    • Compression Ratio: 10.4:1
    • Power: 102 PS (75 kW; 101 hp) at 6,600 rpm
    • Torque: 127 N⋅m (94 lb⋅ft) at 4,800 rpm
    • CO2 emission: 148 g (5.2 oz)/km
  • Honda City CNG (Thailand)

L15A2 i-DSI

It debuted in Honda City/Fit Aria four door Sport-sedan in November 2002.[8]

  • Offered in the Fit Aria[6] and Partner in Japan.
    • Displacement: 1.5 L; 91.4 cu in (1,497 cc)
    • Bore x Stroke: 73 mm × 89.4 mm (2.87 in × 3.52 in)
    • Compression Ratio: 10.8:1
    • Power: 90 PS (66 kW; 89 hp) at 5,500 rpm
    • Torque: 131 N⋅m (97 lb⋅ft) at 2,700 rpm

L15A1 VTEC

Stock L15A1-VTEC engine

It debuted in JDM Fit and Mobilio Spike in September 2002.[9][10]

  • Available in the Fit, Fit Aria, Airwave, Mobilio, and Mobilio Spike in Japan. Sold throughout the world with 5-speed manual or CVT options in the Fit/Jazz, Airwave and City. Canadian and US Fit models offered a 5-speed automatic instead of the CVT.
    • Displacement: 1.5 L; 91.4 cu in (1,497 cc)
    • Bore x Stroke: 73 mm × 89.4 mm (2.87 in × 3.52 in)
    • Compression Ratio: 10.4:1
    • Power: 111 PS (82 kW; 109 hp) at 5,800 rpm
    • Torque: 143 N⋅m (105 lb⋅ft) at 4,000 rpm

L15A7

This engine has been used since 2009 in 2nd Gen Honda Jazz

L15A7

L15B & L15C

L15B (Earth Dreams + i-VTEC)

Quick Facts Honda L15B (Earth Dreams i-VTEC), Overview ...
Applications
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L15B & L15C (Earth Dreams VTC/VTEC Turbo)

Quick Facts Honda L15B & L15C (Earth Dreams VTC/VTEC Turbo), Overview ...
Applications
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Additional notes
  • Turbocharged L15B/L15C engines that feature VTC system have Variable Timing Control (VTC) on both the intake and exhaust side.[29][30] It was advertised as VTEC Turbo in Australia and some Asian markets, despite not featuring an actual Variable Valve Lift system like conventional VTEC engines.[31]
  • Turbocharged L15B/L15C engines in the Accord is similar to the engine in the CR-V, but with the addition of VTEC to the exhaust cam side[20]
  • L15BG and L15C2 engine is flex fuel capable up to E85
  • L15BJ engine is a downtuned version of the L15BG engine.[32]
  • L15B7 VTC Engine
  • L15B9 VTC Engine
  • L15C1 VTEC Engine

L15Z

L15Z (i-VTEC)

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Applications
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Additional notes
  • L15Z1 (only FFV version) and L15Z2 engine is flex fuel capable up to E85

L15Z (Earth Dreams i-VTEC)

Quick Facts Honda L15Z (Earth Dreams i-VTEC), Overview ...
Applications
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LD (L13-based Hybrid engine)

LDA (IMA)

Quick Facts Overview, Manufacturer ...

Integrated Motor Assist (IMA) hybrid system, features Variable Cylinder Management (VCM)[36]

Applications
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Additional notes
  • LDA-MF3 and LDA1 engine feature i-DSI ignition system[36]
  • LDA-MF5 Engine

LE (L15-based Hybrid engine)

LEA (IMA)

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i-VTEC with Integrated Motor Assist (IMA) hybrid system

Applications
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LEB (i-DCD)

Quick Facts Overview, Manufacturer ...

Earth Dreams i-VTEC with Sport Hybrid i-DCD (intelligent Dual-Clutch Drive) system, operates in Atkinson-cycle

Applications
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LEB & LEC (i-MMD)

Quick Facts Overview, Manufacturer ...

Earth Dreams i-VTEC with Sport Hybrid “i-MMD” (Intelligent Multi Mode Drive) system, operates in Atkinson-cycle

Applications
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