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Mazda J engine
Mazda 18 Valve V6 3.0 L Engine
Overview
Manufacturer	Mazda
Layout
Configuration	60° V6
Displacement	3.0 L (2,954 cc)
Cylinder block material	Cast-iron
Cylinder head material	Aluminum Alloy
Valvetrain	DOHC or SOHC 18- or 24-valve
Combustion
Turbocharger	Only in JFT
Fuel type	Gasoline
Cooling system	Water cooled
Output
Power output	150–203 hp (112–151 kW; 152–206 PS)
Torque output	165 lb⋅ft (224 N⋅m)

The Mazda J-family are a range of 60-degree V6 engines featuring a cast-iron cylinder block and alloy heads with belt-driven DOHC or SOHC. 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 L platform Mazda MPV and S platform Mazda Bongo. It was built at the Miyoshi Plant in Miyoshi, Hiroshima, Japan.

JF

• 2.0 L JF - SOHC 12-valve longitudinally mounted V6.

Applications:

• 1986-1989 Mazda 929
• 1986-1989 Mazda Luce (Japan)

JFT

• 2.0 L JFT - a turbocharged variant of the JF engine.

JE

The JE is a 3.0 L (2,954 cc) SOHC 18 valve V6 used in the 1989-1998 Mazda MPV and 1988-1991 Mazda 929, and produced 150 hp (112 kW; 152 PS) and 165 lb⋅ft (224 N⋅m) of torque. A JE-ZE DOHC variant was in the 1990-1995 Mazda 929 S, producing 203 hp (151 kW; 206 PS).

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 L J5-DE is a DOHC motor producing 160 PS (118 kW; 158 hp). 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
• 1991-1993 Efini MS-9
• Mazda Bongo
• 1997-2002 Kia New Potentia (South Korea)

See also

• Mazda engines

• Mazda engines
• V6 engines
• Gasoline engines by model