Jeep diesel straight-4 2.1 L J8S 86 HP engine DIY maintenance and service manual

General Information

Jeep diesel straight-4 2.1 L J8S 86 HP is an 2068 cc (1.82 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 86 mm × 89 mm (3.39 in × 3.5 in). This engine was rated 64 kW (85.83 hp). It was used in Jeep cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Jeep diesel straight-4 2.1 L J8S 86 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	64 kW (85.83 hp)

Specifications

General

Jeep diesel straight-4 2.1 L J8S 86 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Diesel
Cylinder Configuration	Inline 4
Engine Displacement	126.2 in³126.2 in³2068 cc
Bore	3.39 in3.39 in86 mm
Stroke	3.5 in3.5 in89 mm

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Engine head and valvetrain

Jeep diesel straight-4 2.1 L J8S 86 HP engine head and valvetrain specifications.
Parameter	Value
Valves per Cylinder	2

Fuel Injection

Jeep diesel straight-4 2.1 L J8S 86 HP fuel injection specifications.
Parameter	Value
Injection Type	Prechamber