Opel gasoline straight-4 2.0 L 20 SE 121 HP engine DIY maintenance and service manual

General Information

Opel gasoline straight-4 2.0 L 20 SE 121 HP is an 1998 cc (1.76 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 86 mm × 86 mm (3.39 in × 3.39 in). This engine was rated 90 kW (120.69 hp). It was used in Opel cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Opel gasoline straight-4 2.0 L 20 SE 121 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	90 kW (120.69 hp)

Specifications

General

Opel gasoline straight-4 2.0 L 20 SE 121 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	121.93 in³121.93 in³1998 cc
Bore	3.39 in3.39 in86 mm
Stroke	3.39 in3.39 in86 mm

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Engine head and valvetrain

Opel gasoline straight-4 2.0 L 20 SE 121 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	SOHC
Valves per Cylinder	2

Air Intake

Opel gasoline straight-4 2.0 L 20 SE 121 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

Opel gasoline straight-4 2.0 L 20 SE 121 HP fuel injection specifications.
Parameter	Value
Injection Type	Motronic