Yamaha XT 250 (2016-17) vs Yamaha YZF 750R (1994) vs Yamaha NMAX 125 (2018) vs Yamaha YZF R6S (2008-09) vs Suzuki Boulevard C90 B.O.S.S (2019)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha | Suzuki |
| Model: | XT 250 | YZF 750R | NMAX 125 | YZF R6S | Boulevard C90 B.O.S.S |
| Years: | 2016-17 | 1994 | 2018 | 2008-09 | 2019 |
| Engine: | Four stroke, single cylinder. SOHC, 2 valve | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. | Four stroke, single cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, 54° V-twin, SOHC, 3 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 749 cc / 45.7 cu-in | 124 cc / 7.6 cu-in | 599 cc / 36.5 cu-in | 1462 cc / 89.2 cu-in |
| Bore x Stroke: | 74.0 x 58.0mm | 72 x 46 mm | 52 x 58.6 mm | 67 x 42.5 mm | 96 x 101 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 9.5;1 | 11.5:1 | 11.2:1 | 12.8:1 | 9.5:1 |
| Induction: | Mikuni 33mm throttle body fuel injection | 4x Mikuni BDST38 carbs | Fuel Injection | Fuel Injection | Fuel injected |
| Ignition: | TCI | T.C.I. Digital / electric | Electronic TCI | Digital TCI | Digital transistorized |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 18 hp / 13.1 kW @ 7500 rpm | 125 hp / 91.1 kW @ 12000 rpm | 12 hp / 9 kW @ 8750 rpm | 127 hp / 94.7 kW @14500 rpm | 49.2 kW / 66 hp @ 4800 rpm |
| Max Torque: | 19 Nm / 14.5 lb-fts @ 6500 rpm | 80.4 Nm / 8.2 kgf-m / 59.3 lb-ft @ 9500 rpm | 11.7 Nm / 8.8 lb-ft @ 6500 rpm | 66 Nm / 48.6 lb-ft @ 1100 rpm | 115 Nm /11.7 kgf-m / 84.8 ft-lbs @ 2800 rpm |
| Transmission: | 5 Speed | 6 Speed | Automatic | 6 Speed | 5 Speed |
| Final Drive: | “O” ring chain | Chain | Belt | Chain | Shaft |
| Front Suspension: | 35mm Telescopic forks | 41mm USD forks adjustable preload rebound and compression | Hydraulic telescopic fork | 41mm upside down forks with 2-way compression damping adjustable | Telescopic, coil springs, oil damped |
| Rear Suspension: | Monocross, Swingarm rebound-adjustable single shock | Monocross adjustable preload rebound | Unit Swing | Fully adjustable rear shock absorber with 2-way compression damping | Link type, coil spring, oil damped |
| Front Brakes: | Single 245mm disc | 2x 320mm discs 6 piston calipers | Single 230mm disc | 2x 320mm discs | Dual 300 mm discs, 4 piston caliper |
| Rear Brakes: | Single 203mm disc | Single 245mm disc 2 piston caliper | Single 230mm disc | Single 220mm disc | Single 180 mm disc, 2 piston caliper |
| Front Tyre: | 80/70-21 | 120/70 ZR17 | 110/70-13 | 120/70 ZR17 | 130/80-17M/C 65H, tubeless |
| Rear Tyre: | 120/80-18 | 180/55 ZR17 | 130/70-13 | 180/55 ZR17 | 200/60-16M/C 79H, tubeless |
| Fuel Capacity: | 9.6 Litres / 2.5 US gal | 19 Litres / 4.3 gal | 6 Litres / 1.58 US gal | 17.5 Litres / 4.6 US gal | 18 Litres / 4.8 US gal |