| Parameter | Detail | |-----------|--------| | | 1298 cc | | Bore x Stroke | 72.0 mm × 79.7 mm (undersquare) | | Compression Ratio | 11.0:1 (high for era) | | Power Output | 86–88 PS (63–65 kW) @ 6000 rpm | | Torque | 121 N·m (89 lb·ft) @ 4400 rpm | | Valvetrain | DOHC 16V w/ VVT-i (intake only) | | Fuel system | Multi-point EFI | | Weight | ~85 kg (187 lbs) dry |
Unlike engines with rubber belts, the 2SZ-FE uses a timing chain designed for the life of the engine. However, high-mileage units may experience chain stretching. yaris 2sz fe engine manual exclusive
| Mod | Gain | Note | |-----|------|------| | | Faster revving | ~4kg vs stock 6kg – reduces rotational inertia noticeably | | Cold air intake | +3–5 hp | Mostly induction noise, but manual lets you exploit the powerband | | Header (4-2-1) | +6–8 hp | Removes restrictive cast manifold | | ECU reflash | +10 hp / +12 Nm | Raises rev limiter to 6800 rpm, optimizes VVT-i | | C551 swap (if you have C151) | Better acceleration | Higher final drive – but expect 4000 rpm @ 120 km/h | | Parameter | Detail | |-----------|--------| | |