Opel diesel straight-4 2.0 L Z 20 S 125 HP engine DIY maintenance and service manual

General Information

Opel diesel straight-4 2.0 L Z 20 S 125 HP is an 1991 cc (1.75 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 83 mm × 92 mm (3.27 in × 3.62 in). This engine was rated 93 kW (124.72 hp). It was used in Opel cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Opel diesel straight-4 2.0 L Z 20 S 125 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	93 kW (124.72 hp)

Specifications

General

Opel diesel straight-4 2.0 L Z 20 S 125 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Diesel
Cylinder Configuration	Inline 4
Engine Displacement	121.5 in³121.5 in³1991 cc
Bore	3.27 in3.27 in83 mm
Stroke	3.62 in3.62 in92 mm

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Engine head and valvetrain

Opel diesel straight-4 2.0 L Z 20 S 125 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Fuel Injection

Opel diesel straight-4 2.0 L Z 20 S 125 HP fuel injection specifications.
Parameter	Value
Injection Type	GDI