BMW R 25 (1950-51) vs KTM 1090 Adventure R (2017) vs Honda NC 750X / DCT (2016-17) vs Honda XL 600R (1983)
Comparison technical specifications
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| Make: | BMW | KTM | Honda | Honda |
| Model: | R 25 | 1090 Adventure R | NC 750X / DCT | XL 600R |
| Years: | 1950-51 | 2017 | 2016-17 | 1983 |
| Engine: | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder | Four stroke , Parallel twin, SOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve per cylinder, RFVC radial valve |
| Capacity: | 247 cc / 15.1 cu in. | 1050 cc / 64.0 cu-in | 745 cc / 45.4 cu-in | 589 cc / 35.6 cu-in |
| Bore x Stroke: | 68 x 68 mm | 103 x 63 mm | 77 x 80mm | 100 x 75 mm |
| Compression Ratio: | 6.5:1 | - | 10.7:1 | 9.0:1 |
| Induction: | 1x Bing type 1/22/28 | EFI, ride by wire | PGM-FI electronic fuel injection | 2 x 28mm piston valve |
| Ignition: | Battery ignition | Keihin EMS with RBW, twin ignition | Computer-controlled digital transistorised with electronic advance | Solid state CD |
| Starting: | Kick | Electric | Electric | Primary kick with automatic compression release |
| Max Power: | 8.9 kW / 12 hp @ 5600 rpm | 125 hp / 91.2 kW @ 8500 rpm | 40.3 kW / 54 hp @ 6250 rpm | 33 kW / 45 hp @ 6500 rpm |
| Transmission: | 4 Speed | 6 Speed | 6 Speed Manual | 5 Speed |
| Final Drive: | Shaft | Chain X-Ring 5/8 x 5/16″ | Chain | Chain |
| Front Suspension: | Telescopic fork | 48mm WP Suspension Up Side Down | 41 mm telescopic forks | 39mm Showa air-adjustable leading-axle forks with dual Syntallic bushings |
| Rear Suspension: | Pushrod suspension, spring loaded saddle | WP-PDS Monoshock | Single monoshock damper | Pro-link with adjustable rebound damping |
| Rear Brakes: | ∅160mm Drum | Single 267mm disc 2 piston caliper | Single 240 mm hydraulic disc 1 piston caliper and sintered metal pads | 140mm Drum |
| Front Tyre: | 3.25 x 19" | 90/90 R21 Continental TKC 80 Twinduro | 120/70-ZR17 | 3.00-21 |
| Rear Tyre: | 3.25 x 19" | 150/70 R18 Continental TKC 80 Twinduro | 160/60-ZR17 | 5.10-17 |
| Fuel Capacity: | 12 L / 3.1 US gal | 23 Litres / 6.08 gal | 14.1 Litres / 3.7 US gal | 12 Litres / 3.2 US gal |