Aprilia RS 125 R Harada Replica (1999-00) vs Triumph Bonneville Speedmaster Chrome Limited Edition (2023) vs Aprilia SX 125 (2008-09)
Comparison technical specifications
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| Make: | Aprilia | Triumph | Aprilia |
| Model: | RS 125 R Harada Replica | Bonneville Speedmaster Chrome Limited Edition | SX 125 |
| Years: | 1999-00 | 2023 | 2008-09 |
| Engine: | Single cylinder, two stroke, reed valves induction | Four stoke, parallel twin, 270° crank angle, SOHC, 4 valve per cylinder | Two stroke, single cylinder Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. |
| Capacity: | 125 cc / 7.6 cu in | 1198 cc / 73.1 cu-in | 125 cc / 7.6 cu-in |
| Bore x Stroke: | 54 x 54.5mm | 97.6 x 80 mm | 54 x 54.5 mm |
| Compression Ratio: | 14.5:1 | 10.0:1 | 12.5:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Induction: | Dell'Orto VHSB 34LD | Multipoint sequential electronic fuel injection | DellOrto VHST 28 |
| Ignition: | Electronic | Digital | Electronic CDI |
| Starting: | Electric | Electric | Kick |
| Max Power: | 24.8 kW / 34 hp @ 11000 rpm | 57.5 kW / 76.9 hp @ 6100 rpm | 16.4 kW / 22 hp |
| Max Torque: | 25 Nm / 2.5 kgf-m / 18.4 lb-ft @ 9000 rpm | 106 Nm / 78.2 lb-ft @ 4000 rpm | 16.0 Nm / 1.6 kgf-m / 11.8 ft-lb |
| Transmission: | 6 Speed | 6-Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Upside-down forks, Ø 40mm | 47 mm Showa cartridge forks | Upside down telescopic fork, Ø40 mm |
| Rear Suspension: | Monoshock | Mono-shock RSU with linkage and preload adjustment | Steel swingarm. Hydraulic monoshock with piggy back cylinder |
| Front Brakes: | Single 320 mm discs, 4 piston caliper | 2 x 310mm disc, Brembo 2-piston sliding axial calipers | Single 260mm disc, sliding 2 piston caliper, Brembo |
| Rear Brakes: | Single 240 mm disc, 2 piston caliper | Single 255mm disc, Nissin single piston sliding axial caliper | Single 220mm disc, sliding 1 piston caliper |
| Front Tyre: | 110/70-17 | 130/90-16 | 110/70 17 |
| Rear Tyre: | 150/60-17 | 150/80-16 | 150/60 17 |
| Fuel Capacity: | 11.5 Litres / 3.0 US gal | 12 Litres / 3.2 US gal | 10 liters / 2.6 US gal |