Yamaha TZR 125R Belgarda (1991-92) vs Yamaha WR 250Z (1989-91) vs Yamaha Tracer 9 GT (2021)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | TZR 125R Belgarda | WR 250Z | Tracer 9 GT |
| Years: | 1991-92 | 1989-91 | 2021 |
| Engine: | Two stroke, single cylinder, read valve, | Two stroke, single cylinder | Four stroke, transverse triple cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 124 cc / 7.6 cu-in | 249 cc / 15.2 cu-in | 890 cc / 54.3 cu-in |
| Bore x Stroke: | 56.4 x 50 mm | 68 x 68.8 mm | 78 x 62.1 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 5.9:1 | 10.9:1 | 11.5:1 |
| Induction: | Mikuni VM26SS carburetor | Mikuni VM38SS carburetor | Fuel injection with YCC-T |
| Ignition: | CDI | CDI | TCI: Transistor Controlled Ignition |
| Starting: | Kick | Kick | Electric |
| Max Power: | 30 hp @ 11000 rpm | 49.8 hp / 37.2 kW @ 8250 rpm | 117.4 hp / 119PS / 87.5 kW @ 10000 rpm |
| Max Torque: | 1.8 kgf-m / 13 lb-ft @ 10000 rpm | 4.69 kgf-m / 44.5 Nm @ 7500 rpm | 93 Nm / 68.6lb-ft @ 7000 rpm |
| Clutch: | Wet Plate | Multi-plate wet clutch | Wet multiplate assist and slipper clutch |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | O-ring chain |
| Front Suspension: | 39mm Upside-down forks | 43mm inverted fork | 41mm semi-active KYB inverted fork, fully adjustable preload, compression and rebound |
| Rear Suspension: | Monoshock adjustable preload | Monocross, swinging arm | Single shock, fully adjustable, semi-active horizontal KYB shock |
| Front Brakes: | Single disc 4 piston caliper | Single 204mm disc | 2x 298mm hydraulic discs, 4-piston Nissin calipers |
| Rear Brakes: | Single disc 2 piston caliper | Single 189mm disc | Single 245mm hydraulic disc, single piston Nissin caliper |
| Front Tyre: | 110/70-17 | 80/100-21 | 120/70 x 17 |
| Rear Tyre: | 140/70-17 | 110/100-18 | 180/55 x 17 |
| Fuel Capacity: | 15 Litres 3.1 US gal | 13 Litres / 3.4 US gal | 18.9 Litres / 5 US gal |