Opel gasoline straight-4 1.2 L 12 ST 54 HP engine DIY maintenance and service manual

General Information

Opel gasoline straight-4 1.2 L 12 ST 54 HP is an 1196 cc (1.05 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 77.8 mm × 62.9 mm (3.06 in × 2.48 in). This engine was rated 40 kW (53.64 hp). It was used in Opel cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Opel gasoline straight-4 1.2 L 12 ST 54 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	40 kW (53.64 hp)

Specifications

General

Opel gasoline straight-4 1.2 L 12 ST 54 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Benzin 95
Cylinder Configuration	Inline 4
Engine Displacement	72.98 in³72.98 in³1196 cc
Bore	3.06 in3.06 in77.8 mm
Stroke	2.48 in2.48 in62.9 mm

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Engine head and valvetrain

Opel gasoline straight-4 1.2 L 12 ST 54 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	SOHC
Valves per Cylinder	2

Air Intake

Opel gasoline straight-4 1.2 L 12 ST 54 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

Opel gasoline straight-4 1.2 L 12 ST 54 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Carburettor