Toyota SZ engine
The Toyota SZ engine family is a series of straight-4 piston engines with a forward-facing exhaust. Toyota Motor Manufacturing (UK) in Deeside produces SZ engines for the Yaris. All three types of the SZ engine are built in Tianjin FAW Toyota Engine Co., Ltd. (TFTE) Plant No. 1 in Xiqing District, Tianjin, China. The 2SZ-FE and 3SZ-FE variations are also manufactured by PT Astra Daihatsu Motor's Karawang Engine Plant in Indonesia.
| Toyota SZ engine | |
|---|---|
1SZ-FE engine | |
| Overview | |
| Manufacturer | Toyota, Daihatsu |
| Production | 1999–present |
| Layout | |
| Configuration | Naturally aspirated straight-4 |
| Displacement | 1.0 L (997 cc) 1.3 L (1,298 cc) 1.5 L (1,495 cc) |
| Cylinder bore | 69 mm (2.72 in) 72 mm (2.83 in) |
| Piston stroke | 66.7 mm (2.63 in) 79.6 mm (3.13 in) 91.8 mm (3.61 in) |
| Cylinder block material | Cast-iron |
| Valvetrain | DOHC 4 valves x cyl. with VVT-i |
| Compression ratio | 10.0:1, 11.0:1 |
| RPM range | |
| Max. engine speed | 6500 |
| Combustion | |
| Fuel system | Electronic fuel injection Direct injection |
| Fuel type | Petrol |
| Cooling system | Water-cooled |
| Output | |
| Power output | 51.5–80 kW (69.1–107.3 hp; 70.0–108.8 PS) |
| Torque output | 95–141 N⋅m (70–104 lbf⋅ft) |
| Dimensions | |
| Dry weight | 68 kg (150 lb) |
| Chronology | |
| Predecessor | Toyota E engine Daihatsu H-series engine (for K3 and 3SZ models) |
| Successor | Toyota NR engine (for some models) Toyota KR engine (I3, for 1SZ-FE) |
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