View source for Mazda J engine

{{Notability|date=June 2025}}
{{Expand Japanese|date=December 2024}}{{Infobox automobile engine
|name=Mazda J engine
|manufacturer=[[Mazda]]
|image=Mazda_MPV_V6_Motor.jpg
|caption=Mazda 18 Valve V6 3.0 L Engine
|configuration=60° [[V6 engine|V6]]
|block=Cast-iron
|head=Aluminum Alloy
|valvetrain=[[DOHC]] or [[SOHC]] 18- or 24-valve
|fueltype=[[Petrol engine|Gasoline]]
|coolingsystem=[[Radiator (engine cooling)|Water cooled]]
|displacement={{convert|2954|cc|L|1|abbr=on|disp=flip}}
|power={{convert|150-203|hp|kW PS|0|abbr=on}}
|torque={{convert|165|lbft|0|abbr=on}}
|turbocharger=Only in JFT
}}
The [[Mazda]] '''J-family''' are a range of 60-degree [[V6 engine]]s featuring a cast-iron cylinder block and alloy heads with belt-driven [[DOHC]] or [[SOHC]].<ref name="m037">{{cite web | title=マツダのJ型とK型V6エンジン | website=荒城の月 | date=2014-09-20 | url=https://a-design-for-life.hatenadiary.org/entry/20140920/1411194319 | language=ja | access-date=2025-06-01}}</ref> It is Mazda's only cast-iron gasoline V6. These engines are found in the [[Mazda H platform]]-based [[Mazda 929]], [[Efini MS-9]], and [[Mazda Luce]]; as well as the [[Mazda L platform|L platform]] [[Mazda MPV]] and [[Mazda S platform|S platform]] [[Mazda Bongo]]. It was built at the [[Miyoshi (Mazda factory)|Miyoshi Plant]] in [[Miyoshi, Hiroshima|Miyoshi]], [[Hiroshima Prefecture|Hiroshima]], [[Japan]].

==JF==
* 2.0&nbsp;L '''JF''' - SOHC 12-valve [[Longitudinal engine|longitudinally mounted]] V6.

Applications:
* 1986-1989 [[Mazda 929]]
* 1986-1989 [[Mazda Luce]] (Japan)

==JFT==
* 2.0&nbsp;L '''JFT''' - a [[turbocharged]] variant of the JF engine.

==JE==

The '''JE''' is a {{convert|2954|cc|L|1|abbr=on|disp=flip}} [[SOHC]] 18 valve V6 used in the 1989-1998 [[Mazda MPV]] and 1988-1991 [[Mazda 929]], and produced {{convert|150|hp|kW PS|0|abbr=on}} and {{convert|165|lbft|0|abbr=on}} of torque.  A '''JE-ZE''' DOHC variant was in the 1990-1995 [[Mazda 929]] ''S'', producing {{convert|203|hp|kW PS|0|abbr=on}}.

Applications:
* 1989-1998 [[Mazda MPV]]
* 1986-1989 [[Mazda 929]]
* 1986-1989 [[Mazda Luce]] (Japan)
* 1990-1994 [[Mazda 929]]
* 1991-1993 [[Efini MS-9]]
* 1992-1997 [[Kia Potentia]] (South Korea)

==J5==
The 2.5&nbsp;L '''J5-DE''' is a DOHC motor producing {{cvt|160|PS|kW hp|0}}. When used by Kia in South Korea, the J5 engine claimed {{cvt|175|PS|kW hp|0}} at 6,000&nbsp;rpm.

Applications:
* 1990-1994 [[Mazda 929]]
* 1991-1993 [[Efini MS-9]]
*[[Mazda Bongo]]
* 1997-2002 [[Kia Potentia|Kia New Potentia]] (South Korea)

==References==
{{Reflist}}

==See also==
* [[Mazda engines]]

{{Mazda vehicles}}
{{DEFAULTSORT:Mazda J Engine}}
[[Category:Mazda engines|J]]
[[Category:V6 engines]]
[[Category:Gasoline engines by model]]