Aprilia SX 50 (2014-15) vs Yamaha MT 25 (2019-20)
Comparison technical specifications
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| Make: | Aprilia | Yamaha |
| Model: | SX 50 | MT 25 |
| Years: | 2014-15 | 2019-20 |
| Engine: | Single cylinder, two stroke | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Capacity: | 49.9 cc / 3.04 cu in | 249 cc / 15.1 cu-in |
| Bore x Stroke: | 39.9 x 40 mm | 60 x 44.1 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.5:1 | 11.6:1 |
| Lubrication: | Automatic mixer | Wet sump |
| Induction: | Dell'Orto PVHA 17.5 carburetor | Electronic Fuel Injection |
| Ignition: | Electronic CDI | TCI: Transistor Controlled Ignition |
| Starting: | Kick | Electric |
| Clutch: | Wet, multi plate | Wet, multiple-disc coil spring |
| Transmission: | 6 speed | Constant Mesh, 6-speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel beam | Diamond-type steel frame |
| Front Suspension: | Hydraulic fork, Ø 40 mm | Telescopic forks; |
| Rear Suspension: | High strength steel swingarm, hydraulic monoshock | KYB® single shock. swinging arm |
| Front Brakes: | Single stainless steel disc, Ø 260 mm, floating caliper | Single 298mm disc 2 piston caliper |
| Rear Brakes: | Single disc, Ø 180 mm, floating caliper | Single 220mm disc 2 piston caliper |
| Front Tyre: | 100/80 ZR17 | 110/70-17M/C 54H |
| Rear Tyre: | 130/70 ZR17 | 140/70-17M/C 66H 5.1 in of trave |
| Wheelbase: | 1400 mm / 55.1 in | 1379.2 mm / 54.3 in |
| Seat Height: | 835 mm / 32.9 in | 779.7 mm / 30.7 in |
| Fuel Capacity: | 7 Litres / 1.85 US gal | 14 Litres / 3.7 US gal |