BMW K 1200GT (2005-06) vs Yamaha XS 250 (1977-81) vs Yamaha XS 400 (1977-78)
Comparison technical specifications
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| Make: | BMW | Yamaha | Yamaha |
| Model: | K 1200GT | XS 250 | XS 400 |
| Years: | 2005-06 | 1977-81 | 1977-78 |
| Engine: | Four stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder | Four stroke, 180° parallel twin, SOHC, 2 valves per cylinder | Four stroke, 180° parallel twin, SOHC, 2 valves per cylinder |
| Capacity: | 1157 cc / 70.6 cu in | 248 cc / 15.2 cu-in | 392 cc / 23.9 cu-in |
| Bore x Stroke: | 79 x 59 mm | 55 х 52.4 mm | 69.0 x 52.4 mm |
| Compression Ratio: | 13.0:1 | 9.6:1 | 9.2:1 |
| Cooling System: | Liquid cooled | Air cooled | Air cooled |
| Induction: | BMSK fuel Injection | 2x 32mm Mikuni carburators | 2x Mikuni BS32 carburetors |
| Starting: | Electric | Kick | Electric & kick |
| Max Power: | 112 kW / 157 hp @ 9500rpm | 27 hp / 20.1 kW @ 9500 rpm | 36 hp / 26.8 kW @ 8100 rpm |
| Max Torque: | 130 Nm / 13.3 kgf-m / 96 ft-lb @ 7750 rpm | 2.2 kgf-m / 15.9 lb-ft @ 8500 rpm | 3.3 kgf-m / 23.8 lb-ft @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Shaft | Chain | Chain |
| Frame: | Composite aluminium frame with IHU/extrusion-pressed profiles and die sections | Duplex cradle | Tubular steel, semi-double cradle |
| Front Suspension: | BMW Duolever | Telescopic forks | Telescopic fork |
| Rear Suspension: | Single coast aluminium BMW Paralever | Dual shocks, swing arm, 5-position preload adjustable | Dual shocks swing arm, preload adjustable |
| Front Brakes: | 2 x ∅320mm disc, 4 piston calipers | Single 267mm disc | Single disc |
| Rear Brakes: | Single ∅294mm disc, 2 piston caliper | 178mm Drum | Drum |
| Front Tyre: | 120/70 ZR17 | 3.00-18 | 3.00-18 |
| Rear Tyre: | 180/55 ZR17 | 3.50-18 | 3.50-18 |
| Seat Height: | 820 mm - 840 mm / 32.3 in. to 33.1 in. (optional seat 800 mm - 820 mm / 31.5 in - 32.3 in.) | 810 mm / 31.8 in | 780 mm / 30.7 in |
| Fuel Capacity: | 24 L / 6.3 US gal | 14 Litres / 3.7 US gal | 14 Litres / 3.7 US gal |