Nissan CG engine
| CG engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan Motors | 
| Production | 1992-2002 | 
| Layout | |
| Configuration | Inline-4 | 
| Displacement | 1.0–1.3 L (998–1,348 cc) | 
| Cylinder bore | 71 mm (2.80 in) 72 mm (2.83 in)  | 
| Piston stroke | 63 mm (2.48 in) 80.5 mm (3.17 in) 82.8 mm (3.26 in)  | 
| Valvetrain | DOHC 4 valves x cyl. | 
| Compression ratio | 9.5:1 | 
| RPM range | |
| Max. engine speed | 7300 | 
| Combustion | |
| Fuel system | Multi-point fuel injection | 
| Fuel type | Gasoline | 
| Cooling system | Water-cooled | 
| Output | |
| Power output | 55–85 PS (40–63 kW) | 
| Torque output | 79–120 N⋅m (58–89 lb⋅ft) | 
| Chronology | |
| Predecessor | Nissan MA engine | 
| Successor | Nissan CR engine | 
The CG engine is a 1.0 L, 1.3 L or 1.35 L straight-4 piston engine from Nissan's Aichi Kikai division. It is an aluminum DOHC 16-valve design. The engine was developed for use in the Nissan Micra/March K11 series. All engines featured multi-point fuel injection. Redline is at 7300 rpm.
This compact, reliable, lightweight and fuel-efficient motor has also found life in many Nissan Forklift models.
The breakdown of the engine code is as follows:
- CG - Clean Green
 - 10, 13 or A3 - 1.0, 1.3 or 1.35 Litres
 - D - Double Overhead Cam (DOHC)
 - E - Multi-port Fuel Injection