Honda VT 250F (1982) vs Honda CM 125C (1983) vs Honda CX 650E (1983) vs Suzuki GSX-R 1000R (2017) vs Honda CB 650F (2016) vs Honda SLR 650 (1999-)
Comparison technical specifications
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| Make: | Honda | Honda | Honda | Suzuki | Honda | Honda |
| Model: | VT 250F | CM 125C | CX 650E | GSX-R 1000R | CB 650F | SLR 650 |
| Years: | 1982 | 1983 | 1983 | 2017 | 2016 | 1999- |
| Engine: | Four stroke, V-Twin, DOHC, 4 valves per cylinder | Four stroke, parallel twin, OHC, 2 valve per cylinder | Four stroke, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder, TSCC | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, Single cylinder, 4 valve per cylinder. |
| Capacity: | 248 cc / 15.2 cu-in | 125 | 673 cc / 41.07 cu-in | 998.6 cc / 60.9 cub. in | 649 cc / 39.6 cu-in | 644 cc / 39.3 cu-in |
| Bore x Stroke: | 60 x 44.1 mm | 44.0 x 41 mm | 82.5 x 63 mm | 76.0 x 55.1 mm | 67 x 46 mm | 100 x 82 mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled. | Air cooled |
| Compression Ratio: | 11.0:1 | 9.4;1 | 9.8:1 | 13.2:1 | 11.4:1 | 8.3:1 |
| Induction: | 2x 32mm Keihin carburetors | 2x 39mm Keihin carburetors | Fuel Injection | PGM-FI Electronic Fuel Injection | 40mm Keihin carburetors | |
| Ignition: | Transistorized | CDI | Electronic ignition Transistorized | Computer-controlled digital transistorised with electronic advance | TCI (Transistor Controlled Ignition) | |
| Starting: | Electric | Electreic | Electric | Electric | Electric | |
| Max Power: | 35 hp / 25.5 kW @ 11000 rpm | 64 hp / 47.7 kW @ 8000 rpm | 148.6 kW / 199.2 hp @ 13200rpm | 85.8 hp / 63.9 kW @ 11000 rpm | 44 hp / 32.1 kW @ 5750 rpm | |
| Max Torque: | 21.5 Nm / 15.9 lb-ft @ 10000 rpm | 61 Nm / 45 lb-ft @ 6500 rpm | 117.6 Nm / 86.7 lb-ft @ 10800rpm | 46.4 lb-ft / 62.9 Nm @ 8000 rpm | 54 Nm / 39.8 lb-ft @ 4500 rpm | |
| Final Drive: | Chain 520 O-ring | Chain | Shaft | Chain, DID50VAZ, 114 links | #525 O-ring sealed chain | Chain |
| Front Suspension: | Air assisted telescopic forks | Telescopic forks | Air assisted telescopic forks | IInverted telescopic, coil spring, oil damped | 41mm telescopic fork | 41mm Telescopic forks |
| Rear Suspension: | Pro-link air assisted monoshock | Dual shocks | Pro-link, air adjustable preload | Link type, coil spring, oil damped | Monoshock with adjustable preload | Rising rate monoshock |
| Front Brakes: | Single disc | Drum | 2x 280mm discs | 2 x 320mm Discs radial mount Brembo 4-piston calipers | 2x 320mm hydraulic discs with dual piston calipers | Single 276mm discs 2 piston calipers |
| Rear Brakes: | Drum | Drum | Single 280mm disc | Single 220mm disc, Nissin, 1-piston | Single 240mm disc with single piston caliper | Single 220mm disc 1 piston caliper |
| Front Tyre: | 100/90-16 54S | 3.25-18 | 100/90-18 | 120/70ZR17M/C (58W) tubeless | 120/70-ZR17 | 100/90-19 |
| Rear Tyre: | 110/80-18 58S | 110/90-16 | 120/90-18 | 190/50 ZR17 M/C (73W), tubeless | 180/55-ZR17 | 120/90-17 |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 13 Litres | 19 Litres / 5.0 US gal | 16 Litres / 3.5 US gal | 17.3 Litres / 4.5 US gal | 13 Litres / 3.6 US gal |