BMW K 75 (1985-86) vs Yamaha SRX 600 (1989-97) vs Yamaha XT 250 (2016-17)
Comparison technical specifications
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| Make: | BMW | Yamaha | Yamaha |
| Model: | K 75 | SRX 600 | XT 250 |
| Years: | 1985-86 | 1989-97 | 2016-17 |
| Engine: | Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, single cylinder. SOHC, 2 valve |
| Capacity: | 740 cc / 45 cub. in. | 608 cc / 37.1 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 67 x 70 mm | 96 х 84 mm | 74.0 x 58.0mm |
| Compression Ratio: | 11.0:1 | 8.5:1 | 9.5;1 |
| Cooling System: | Liquid cooled | Air cooled | Air cooled |
| Induction: | Electronic injection, Bosch LE-Jetronic | 27mm Teikei 2KY27PV carburetor | Mikuni 33mm throttle body fuel injection |
| Starting: | Electric | Kick | Electric |
| Max Power: | 55 kW / 75 hp @ 8500 rpm | 45 hp / 34 kW @ 6500 rpm | 18 hp / 13.1 kW @ 7500 rpm |
| Max Torque: | 68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm | 4.9 kgf-m / 34 lb-ft / 46 Nm @ 5500 rpm | 19 Nm / 14.5 lb-fts @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | 36mm Telescopic forks | 35mm Telescopic forks |
| Front Wheel Travel: | 185mm / 7.3 in. | 134 mm / 5.2 in | 225 mm / 8.9 in |
| Rear Suspension: | Monolever swinging arm. | Dual Kayaba shocks 5-way adjustable for preload | Monocross, Swingarm rebound-adjustable single shock |
| Front Brakes: | 2 x ∅285mm discs, 2 piston calipers | 2x 267mm disc | Single 245mm disc |
| Rear Brakes: | Single ∅285mm disc | Single 240mm disc | Single 203mm disc |
| Front Tyre: | 100/90-18 56H | 110/70-17 | 80/70-21 |
| Rear Tyre: | 120/90-18 56H | 150/60-17 | 120/80-18 |
| Dimensions: | Length: 2220 mm / 87.4 in. Width: 900 mm / 35.4 in. Height: 1300 mm / 51.2 in. | Length 2049 mm / 80.6 in Width 740 mm / 29.1 in Height 1140 mm / 44.8 in | Length 2150 mm / 84.6 in Width 805mm / 31.7 in Height 1160mm / 45.7 in |
| Seat Height: | 810 mm /31.9 in. or 760 mm / 29.9 in. for low seat model | 770 mm / 20.3 in | 830 mm / 32.7 in |
| Wet Weight: | 227 kg / 500 lbs | 172 kg / 379.2 lbs | 132 kg / 291 lbs |
| Fuel Capacity: | 21 liters / 5.54 US gal | 15 Litres / 3.9 gal | 9.6 Litres / 2.5 US gal |