# Mazda J engine

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The [Mazda](/source/Mazda) **J-family** are a range of 60-degree [V6 engines](/source/V6_engine) featuring a cast-iron cylinder block and alloy heads with belt-driven [DOHC](/source/DOHC) or [SOHC](/source/SOHC).[1] It is Mazda's only cast-iron gasoline V6. These engines are found in the [Mazda H platform](/source/Mazda_H_platform)-based [Mazda 929](/source/Mazda_929), [Efini MS-9](/source/Efini_MS-9), and [Mazda Luce](/source/Mazda_Luce); as well as the [L platform](/source/Mazda_L_platform) [Mazda MPV](/source/Mazda_MPV) and [S platform](/source/Mazda_S_platform) [Mazda Bongo](/source/Mazda_Bongo). It was built at the [Miyoshi Plant](/source/Miyoshi_(Mazda_factory)) in [Miyoshi](/source/Miyoshi,_Hiroshima), [Hiroshima](/source/Hiroshima_Prefecture), [Japan](/source/Japan).

## JF

The 2.0 L **JF** is a SOHC 12-valve [longitudinally mounted](/source/Longitudinal_engine) V6. It has a bore of 74.0 mm and a stroke of 77.4 mm, and produces 110 PS (81 kW; 108 hp) at 5000 rpm.[2]

Applications:

- 1986-1989 [Mazda 929](/source/Mazda_929)
- 1986-1989 [Mazda Luce](/source/Mazda_Luce) (Japan)

## JF-T

The 2.0 L **JF-T** is a [turbocharged](/source/Turbocharged) variant of the JF engine. It has the same bore and stroke as the naturally aspirated JF, and produces 145 PS (107 kW; 143 hp) at 5000 rpm.

Applications:

- 1986-1991 [Mazda Luce](/source/Mazda_Luce)

## JE

The **JE** is a 3.0 L (2,954 cm3) [SOHC](/source/SOHC) 18 valve V6 used in the 1989-1998 [Mazda MPV](/source/Mazda_MPV) and 1988-1991 [Mazda 929](/source/Mazda_929). It produces 150 hp (112 kW; 152 PS) at 5500 rpm and 165 lb⋅ft (224 N⋅m) of torque at 4000 rpm. A **JE-ZE** DOHC variant was in the 1990-1991 [Mazda 929](/source/Mazda_929) *S*, as well as the 1992-1995 Mazda 929, producing 190-203 hp kW PS 0 at 6000 rpm. Both variants have a bore of 90.0 mm, and a stroke of 77.4 mm. In the US market, the DOHC engine saw a drop in power in the 1994-1995 Mazda 929 as a result of improved emissions equipment.

**Applications:**

- 1989-1998 [Mazda MPV](/source/Mazda_MPV)
- 1986-1989 [Mazda 929](/source/Mazda_929)
- 1987-1989 [Mazda Luce](/source/Mazda_Luce) (Japan)
- 1990-1995 [Mazda 929](/source/Mazda_929)
- 1991-1993 [Efini MS-9](/source/Efini_MS-9)
- 1992-1997 [Kia Potentia](/source/Kia_Potentia) (South Korea)

## J5

The 2.5 L **J5-DE** is a DOHC motor with a bore of 82.7 mm and a stroke of 77.4 mm. It produces 160 PS (118 kW; 158 hp) at 6000 rpm. When used by Kia in South Korea, the J5 engine claimed 175 PS (129 kW; 173 hp) at 6,000 rpm.

Applications:

- 1990-1994 [Mazda 929](/source/Mazda_929)
- 1991-1993 [Efini MS-9](/source/Efini_MS-9)
- [Mazda Bongo](/source/Mazda_Bongo)
- 1997-2002 [Kia New Potentia](/source/Kia_Potentia) (South Korea)
- 1997-2002 [Kia Enterprise](/source/Kia_Enterprise) (South Korea)

## J6

The 3.6 L **J6-DE** is a DOHC motor with a bore of 96.0 mm and a stroke of 83.0 mm, producing 230 PS (169 kW; 227 hp) at 5,500 rpm. Its sole application was in the Kia Enterprise, and was discontinued after the 2001 model year. It was not available in any models marketed by Mazda. It was the largest displacement engine offered in the Korean market when introduced.[3]

Applications:

- 1997-2001 [Kia Enterprise](/source/Kia_Enterprise) (South Korea)

## References

1. ["マツダのJ型とK型V6エンジン"](https://a-design-for-life.hatenadiary.org/entry/20140920/1411194319) (in Japanese). *荒城の月*. 2014-09-20. Retrieved 2025-06-01.

1. ["1988 Mazda Luce 4door Sedan V6-2000EGI Limited Specs Review (81 kW / 110 PS / 109 hp) (up to August 1988 for Japan )"](https://www.automobile-catalog.com/car/1988/1638185/mazda_luce_4door_sedan_v6-2000egi_limited.html). *www.automobile-catalog.com*. Retrieved 2026-03-08.

1. ["Horsepower and Torque curve for 2001 Kia Enterprise 3.6 CEO (aut. 4) model for Asia Korea DM"](https://www.automobile-catalog.com/curve/2001/1350005/kia_enterprise_3_6_ceo.html). *www.automobile-catalog.com*. Retrieved 2026-01-28.

## See also

- [Mazda engines](/source/Mazda_engines)

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Adapted from the Wikipedia article [Mazda J engine](https://en.wikipedia.org/wiki/Mazda_J_engine) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mazda_J_engine?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.