Yamaha XT 600Z Ténéré (1983-84) vs Aprilia RS4 125 (2016) vs Ural Gear-Up Expedition (2023) vs Aprilia 125 Pegaso (1989-90)
Comparison technical specifications
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| Make: | Yamaha | Aprilia | Ural | Aprilia |
| Model: | XT 600Z Ténéré | RS4 125 | Gear-Up Expedition | 125 Pegaso |
| Years: | 1983-84 | 2016 | 2023 | 1989-90 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, twin flat boxer cylinders, OHV, 2 valve per cylinder | Two stroke, single cylinder, reed valves |
| Capacity: | 595 cc / 36.3 cu-in | 124.8 cc / 7.6 cu in | 749 cc / 45.7 cub in | 124 cc / 7.6 cu in |
| Bore x Stroke: | 95 x 84 mm | 58 X 47 mm | 78 x 78 mm | 54 x 54.5mm |
| Cooling System: | Air/oil cooled, | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 8.5:1 | 12.5 ± 0.5:1 | 10.5:1 | 14.0:1 |
| Induction: | 27mm Dual stage Teikei Y 27 PV carburetor | Electronic injection | Throttle body EFI | Ø34 mm Dell'Orto carburetor |
| Starting: | Kick | Electric | Electric & kick | Electric |
| Max Power: | 46 hp / 34 kW @ 6000 rpm | 11.7 kW / 16 hp @ 10500 rpm | 30.6 kW / 41 hp @ 5500 rpm | 23 kW / 31 hp @ 10000 rpm |
| Max Torque: | 4.5 kgf-m / 51 Nm @ 5750 rpm | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 58.3 Nm / 43 ft-lbs @ 4300 rpm | 22.5 Nm / 2.3 kgf-m / 16.6 ft-lb @ 85000 rpm |
| Transmission: | 5 Speed | 6 Speed | 4 speed with reverse | 6 Speed |
| Final Drive: | Chain | Chain | Shaft | Chain |
| Front Suspension: | Telescopic air assisted | Ø41 mm Upside down fork | IMZ leading link fork with two Nitron shock absorbers | Ø41 mm Inverted telescopic forks |
| Rear Suspension: | Monoshock swing arm | Asymmetric swingarm with monoshock | Double sided swing-arm with two Nitron shock absorbers | Single chock preload adjustable |
| Front Brakes: | Single 260mm disc | Single Ø300 mm disc, 4 piston caliper | 4-piston fixed Brembo caliper with 295mm floating NG rotor | Single Ø300 mm disc, 2 piston caliper |
| Rear Brakes: | 150mm Drum | Single Ø218 mm disc, 1 piston caliper | Two-piston fixed Brembo caliper with a 265mm floating NG rotor with a standalone mechanical parking brake caliper by J.Juan Sidecar: Two-piston fixed Brembo caliper with 245mm floating NG rotor | Single Ø220 mm disc, 1 piston caliper |
| Fuel Capacity: | 28 Litres / 7.3 US gal | 14.5 Liters / 3.8 US gal | 18.9 L / 5.0 US gal | 14 Litres / 3.7 US gal |