Yamaha TW 125 (1999-00) vs BMW R 1200R LC (2015) vs Yamaha XT 125 (1983-) vs Yamaha WR 450F (2007-08)
Comparison technical specifications
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| Make: | Yamaha | BMW | Yamaha | Yamaha |
| Model: | TW 125 | R 1200R LC | XT 125 | WR 450F |
| Years: | 1999-00 | 2015 | 1983- | 2007-08 |
| Engine: | Four stroke. single cylinder. | Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder, intake 40mm, outlet 34 mm | Four stroke, single cylinder. SOHC, 2 valve | Four stroke, single cylinder, DOHC, 5 titanium valve per cylinder. |
| Capacity: | 124 cc / 7.6 cu-in | 1170 cc / 71.4 cub in. | 124 cc / 7.6 cu-in | 449 cc / 27.4 in |
| Bore x Stroke: | 57 x 48.8 mm | 101 x 73 mm | 57 х 48.8 mm | 95 x 63.4 mm |
| Cooling System: | Air cooled | Liquid / Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 10.0:1 | 12.5:1 | 10.0:1 | 12.5:1 |
| Induction: | TEIKEI Y24P/1 | Throttle valve mm 52 Carburetion BMS-X Emission control Closed-loop 3-way catalytic converter | Carburetor | 39mm Keihin FCR flat-slide throttle position sensor |
| Ignition: | CDI | BMS-K | CDI | Digital CDI |
| Starting: | Electric | Electric | Kick | Electric / Kick-starter |
| Max Power: | 11.8 hp / 8.6 kW @ 9000 rpm | 92 kW / 125 hp @ 7750 rpm | 12.5 hp / 9.2 kW @ 8000 rpm | 58 hp / 42.3 kW @ 9000 rpm |
| Max Torque: | 9.7Nm / 7.2 lb-ft @ 8000m rpm | 125 Nm / 12.7 kgf-m / 92 lb-ft @ 6500 rpm | 1.0 kg-m / 9.8 Nm @ 8000 rpm | 49 Nm / 33.1 lb-ft @ 7000 rpm |
| Transmission: | 5 Speed | Constant mesh 6-speed gearbox with helical gear teeth | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Chain | "O" ring Chain |
| Front Suspension: | Telescopic forks | Telescopic Upside-Down fork; stanchion diameter 45 mm | Telescopic forks | 46mm Kayaba inverted telescopic fork, compression and rebound damping adjustable |
| Rear Suspension: | Monoshock | Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel | Motocross | Fully adjustable Kayaba single shock, 315mm wheel travel, separate speed compression adjustment |
| Front Brakes: | Single 220mm disc | 2 x 320 floating discs, 4 piston calipers | Drum | Single 250mm disc 4 piston caliper |
| Rear Brakes: | 130mm Drum | Single 275mm disc, 2 piston caliper | Drum | Single 245mm disc 2-piston caliper |
| Front Tyre: | 130/80-16 | 120/70 ZR 17 | 2.75-21 | 80/100-21 |
| Rear Tyre: | 180/80-14 | 180/55 ZR 17 | 4.10-18 | 110/100-18 |
| Wheelbase: | 1,280 mm / 50.4 in | 1515 mm / 59.6 in | 1330 mm / 52.3 in | 1485 mm / 58.5 in |
| Seat Height: | 805 mm / 31.7 in | 760 mm - 820 mm / 29.9 in - 32.2 in | 835 mm / 32.4 in | 998 mm / 39.3 in |
| Fuel Capacity: | 7 Litres / 1.9 US gal | 18 Liters / 5.3 US gal | 7 Litres / 2.0 US gal | 8 Liters / 2.1 US gal |