Suzuki J engine

The '''Suzuki J engine''' family is a series of all [[aluminium]] inline-four cylinder engine from Suzuki, first introduced in February 1996. The displacement ranges from 1.8 to 2.4 litres. It features [[Dual overhead cam|dual overhead cams]], 16 valves in total, [[multi-port fuel injection]], and [[variable valve timing]] in later models. The J engine was Suzuki's 'big block' series engine. To keep development costs down, it had a significant parts and design commonality with the [[Suzuki H engine|H family]] of V6 engines: aluminum block and cast iron sleeve structure, and valve train chain drive.<ref name=SuzuDL74>{{cite web | url = https://www.suzuki.co.jp/suzuki_digital_library/7_engine/4-j.html | archive-url = | archive-date = | title = ンエンジン紹介: J系 | trans-title = Engine Introduction: J series | language = ja | work = Suzuki Digital Library | publisher = Suzuki Motor Corporation | date = 2021 }}</ref>

{{Infobox automobile engine | name = Suzuki J engine | image = Suzuki-j24b.jpg | caption = Suzuki J24B Engine | manufacturer = [[Suzuki]] | production = 1996-2019 | configuration = [[Straight-four engine]] | redline = | displacement = {{ubl | {{cvt|1839|cc|L|1}} | {{cvt|1995|cc|L|1}} | {{cvt|2290|cc|L|1}} | {{cvt|2393|cc|L|1}} }} | bore = {{ubl |{{cvt|84.0|mm|in|2}} |{{cvt|90.0|mm|in|2}} |{{cvt|92.0|mm|in|2}} }} | stroke = {{ubl |{{cvt|83.0|mm|in|2}} |{{cvt|90.0|mm|in|2}} }} | block = [[Aluminium]] | head = [[Aluminium]] | valvetrain = [[DOHC]] [[Multi-valve#Four valves|4 valves per cylinder]] with [[Variable valve timing|VVT]] (on J20A, J20B and J24B) | supercharger = | turbocharger = | fuelsystem = [[Multi-port fuel injection]] | fueltype = {{ubl| [[Petrol engine|Petrol]]}} | oilsystem = [[Wet sump]] | coolingsystem = [[Radiator (engine cooling)|Water-cooled]] | power = {{cvt|120-178|PS|kW hp|0|lk=on}} | torque = {{cvt|152-230|Nm|lbft kg.m|0|lk=on}} | timing = Chain | compression = 9.7:1, 9.8:1, 10.0:1 | predecessor = | successor = }}

==J18A== Suzuki J18A is a 1.8 L (1,839 cc) inline-four naturally aspirated petrol engine from the Suzuki J-family. It produces {{cvt|135|PS|kW hp|0}} at 6,500 rpm and {{cvt|{{convert|16|kgm|Nm|0|disp=number}}|Nm|lbft|0}} of torque at 3,000 rpm in Japanese specifications, {{cvt|121|PS|kW hp|0}} and {{cvt|152|Nm|lbft|sigfig=3}} of torque in European trim.<ref name=GTXinfo>{{cite web|url=https://www.autoweek.nl/autobrochures/download/497/|title= Baleno 1.8 GTX Product Information (Europe) |language= en-uk, fr, de| publisher = Suzuki Motor Corporation | location = Hamamatsu, Japan | pages = 2, 6 | date = August 1995 | via= Autoweek.nl}}</ref><ref>{{cite web|url=https://www.goo-net-exchange.com/catalog/SUZUKI__CULTUS_CRESCENT_WAGON/5501777/|title=Suzuki Cultus Crescent Wagon GT| language = ja | website= goo-net-exchange.com}}</ref>

The Suzuki J18A engine features an [[aluminum]] cylinder block and cylinder head with [[dual overhead cams]] and four valves per cylinder (16 in total). Cylinder bore and piston stroke are {{cvt|84.0|and|83.0|mm|in|2}}, respectively. Compression ratio rating is 9.8:1. The first of the J series engines, it became available on the Crescent Wagon in February 1996.<ref name=SuzuDL74/><ref>{{cite web | url = https://eng.greeco-channel.com/engine/suzuki-j18a/ | archive-url = https://web.archive.org/web/20240721215946/https://eng.greeco-channel.com/engine/suzuki-j18a/ | archive-date = 2024-07-21 | title = J18A型エンジンの諸元と性能まとめ [直列4気筒 1839cc] | trans-title = Summary of J18A engine specifications and performance [Inline 4-cylinder 1839cc] | language = ja | work = Greeco Engine }}</ref>

The Suzuki J18A engine is equipped with [[multi-port fuel injection]] and electronic ignition system with individual ignition coil for each spark plug. It was designed to be as light as possible and weighs in at {{cvt|85|kg|lb|0}}.<ref name=GTXinfo/>

It was produced in the following vehicles: * [[Suzuki Cultus Crescent]]/Baleno/Esteem (1996-2002) * [[Suzuki Vitara#first|Suzuki Sidekick]] (1996-1998, North America only)

==J20== The J20 is the first version of the J20 series. It is a 2.0 L (1,995 cc) engine with an [[aluminum]] engine block and cylinder head with bore and stroke: {{cvt|84.0|×|90.0|mm|in|2}}. It had [[dual overhead cams]] and [[multi-port fuel injection]] with a 9.7:1 compression ratio. Unlike its successor, it did not have [[variable valve timing]]. It produces {{cvt|130|PS|kW hp|0}} at 6,000 rpm and {{cvt|182|Nm|lbft|0}} of torque at 3,000 rpm.<ref>{{cite web | url = https://www.engine-specs.net/suzuki/j20.html | archive-url = https://web.archive.org/web/20240303145950/https://www.engine-specs.net/suzuki/j20.html | archive-date = 2024-03-03 | title = Suzuki J20 engine | website=Engine Specs | first = Sergei | last = Wers }}</ref>

It was installed only in the following vehicle:

* [[Suzuki Vitara]] (1998-2005)

==J20A== The Suzuki J20A is a 2.0 L (1,995 cc) inline-four natural aspirated gasoline engine with a {{cvt|84.0|mm|in|2}} cylinder bore and {{cvt|90.0|mm|in|2}} piston stroke. from the Suzuki J family. It features an aluminum cylinder block and aluminum cylinder head with [[dual overhead cams]] and four valves per cylinder. Compression ratio rating is 9.7:1. The J20A engine produced {{cvt|130|to|143|PS|kW hp|0}} and {{cvt|182|to|186|Nm|lbft|0}} of torque depending on model and variant.<ref>{{Cite web |date=2019-07-17 |title=Suzuki J20A specs |url=https://www.engine-specs.net/suzuki/j20.html |website=Engine Specs | first = Sergei | last = Wers}}</ref>

The Suzuki J20A engine is equipped with [[multi-port fuel injection]], [[variable Valve Timing]] system on the intake side, Electronic Throttle Control System and electronic ignition system with individual ignition coil for each spark plug. A turbocharged, competition version of this engine, producing {{cvt|320|PS|kW|0}} from 4,000 to 5,000 rpm and {{cvt|65|kgm|Nm lbft|0}} of torque at 3,000 rpm, was developed for Suzuki's shortlived [[Suzuki SX4 WRC|SX4 WRC contender]].<ref>{{cite web | url = https://www.ign.com/articles/2006/03/15/suzuki-to-compete-in-wrc | archive-url = https://web.archive.org/web/20241218201213/https://www.ign.com/articles/2006/03/15/suzuki-to-compete-in-wrc | archive-date = 2024-12-18 | first = Justin | last = Kaehler | date = 2006-03-15 | work = IGN | title = Suzuki to Compete in WRC }}</ref><ref>{{cite web | url = https://response.jp/article/2007/01/25/90676.html | archive-url = https://web.archive.org/web/20241222200620/https://response.jp/article/2007/01/25/90676.html | archive-date = 2024-12-22 | title = 【東京オートサロン07】スズキ SX4 WRCプロトタイプ…期待、大 | trans-title = [Tokyo Auto Salon 07] Suzuki SX4 WRC Prototype... High expectations | date = 2007-01-25 | first = Junichi | last = Sugiyama | language = ja | work = Response | publisher = IID, Inc. }}</ref>

The J20A was installed in the following vehicles:

* [[Suzuki Grand Vitara]] (2005-2012) * [[Suzuki Aerio]] (2001-2004) * [[Suzuki SX4]] (2006-2009) * [[Suzuki Vitara]] (2001-2005)

==J20B== The Suzuki J20B is a 2.0 L (1,995 cc) inline-four natural aspirated gasoline engine from the Suzuki J-family. It is almost identical to the J20A, though changeability is limited between the two engines. The cylinder head is slightly different and it featured more aggressive camshafts, better [[variable valve timing]] actuation, and a different bellhouse. The J20B engine produces {{cvt|145|to|150|PS|kW hp|0}} and {{cvt|190|Nm|lbft|0}} of torque.<ref>{{cite web|url=https://mymotorlist.com/engines/suzuki/j20b/|title=Engine Suzuki J20B|website=MyMotorList|accessdate=21 November 2024}}</ref>

It was offered only in the following vehicle:

* [[Suzuki SX4]] (2010-2014)<ref>{{Cite web |date=2009-08-28 |title=Suzuki SX4 gets a mild facelift |url=https://www.sgcarmart.com/news/article.php?AID=2507&APPS=1 |website=SGCarMart.com}}</ref>

==J23== The Suzuki '''J23''' engine is a 2.3 L (2,290 cc) inline-four natural aspirated gasoline engine from the Suzuki J family. The J23 engine produces {{cvt|155|hp|kW PS|0}} and {{cvt|152|lbft|Nm|0}} of torque.<ref name=SS07>{{Cite web |date=2007-05-30 |title=Suzuki Aerio Review - |url=https://www.thetruthaboutcars.com/2007/05/suzuki-aerio-review/ |website=The Truth About Cars | first = Samir | last = Syed}}</ref> The J23 was only ever offered in North America, and only on the [[Suzuki Aerio]].

It is an [[aluminum]] engine block and cylinder head with bore and stroke of {{cvt|90.0|×|90.0|mm|in|2}}. It had [[dual overhead cams]] and [[Multi-port fuel injection]] with a 9.7:1 compression ratio. It is based on a J20 block but with a bigger bore; the two engines have the same crankshafts and connecting rods. The engine did not feature [[variable valve timing]].

It was produced in the following vehicle only:

* [[Suzuki Aerio]] (2004-2007)<ref name=SS07/>

==J24B== The Suzuki J24B is a 2.4 L (2,393 cc) inline-four natural aspirated gasoline engine from the Suzuki J-family. It is the final iteration of the J-engine. The J24B engine produces {{cvt|166|PS|kW hp|0}} at 6,000 rpm and {{cvt|22.9|kgm|Nm kgm lbft|0|order=out}} at 4,000 rpm when installed in the Grand Vitara/Escudo.<ref>{{cite web | url = https://www.motordays.com/newcar/articles/escudo_suzuki_imp_20080619/ | archive-url = https://web.archive.org/web/20080820034601/https://www.motordays.com/newcar/articles/escudo_suzuki_imp_20080619/ | archive-date = 2008-08-20 | work = Motor Days | editor-first = Seishiro | editor-last = Mizuno | title = スズキエスクード 2.4XG／3.2XS 新車試乗記（第519回）| trans-title = Suzuki Escudo 2.4XG/3.2XS New Car Test Drive Report (No. 519) | language = ja | date = 2008-06-19 }}</ref> In the Kizashi, the J24B's output increases to {{cvt|178|or|188|PS|kW hp|0}} at 6,000 or 6,500 rpm and {{cvt|23.5|kgm|Nm kgm lbft|0|order=out}} of torque at 4,000 rpm (lower power figure is for European market models).

It is an [[aluminum]] engine block and cylinder head with bore and stroke: {{cvt|92.0|×|90.0|mm|in|2}}. It has [[dual overhead cams]] and [[Multi-port fuel injection]] with a 10.0:1 compression ratio. It is based on a J23 block but with harder castings and features a crankshaft girdle. It had improved [[variable valve timing]] actuation and revised camshafts, along with stronger connecting rods.

It came in the following vehicles:

* [[Suzuki Kizashi]] (2009-2016)<ref>{{Cite web |date=2011-11-16 |title=Suzuki Kizashi 2.4 Sport review |url=https://www.evo.co.uk/reviews/7081/suzuki-kizashi-24-sport-review |website=Evo | first = Luke | last = Madden | publisher = Carwow Studio Limited }}</ref> * [[Suzuki Grand Vitara]] (June 2008-2019)<ref>{{Cite web |date=2008-10-30 |title=Suzuki Grand Vitara Facelift |url=https://www.carscoops.com/2008/09/suzuki-grand-vitara-facelift-with-new/ |website=CarScoops}}</ref>

==See also== * [[List of Suzuki engines]]

==References== {{reflist}}

[[Category:Suzuki engines]] [[Category:Gasoline engines by model]] [[Category:Straight-four engines]] [[Category:1990s automobile engines]]