Opel gasoline straight-4 1.2 L 12 NZ engines

Opel gasoline straight-4 1.2 L 12 NZ 44 HP at 5000 RPM, 88 N⋅m at 2800 RPM engine

It's an 1195 cc (1.05 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 72 mm × 73.4 mm (2.83 in × 2.89 in). This engine was rated 33 kW (44.25 hp) at 5000 rpm and 88 N⋅m (64.91 lbf⋅ft) of torque at 2800 rpm.