Opel gasoline straight-4 1.8 L Z 18 XER 138 HP engine DIY maintenance and service manual

General Information

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP is an 1796 cc (1.58 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 80.5 mm × 88.2 mm (3.17 in × 3.47 in). This engine was rated 103 kW (138.13 hp). It was used in Opel cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	103 kW (138.13 hp)

Specifications

General

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	109.6 in³109.6 in³1796 cc
Bore	3.17 in3.17 in80.5 mm
Stroke	3.47 in3.47 in88.2 mm

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Engine head and valvetrain

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

Opel gasoline straight-4 1.8 L Z 18 XER 138 HP fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Intake Manifold Injection/ Carburettor