Triumph T120R Bonneville 650 (1969) vs KTM 250 EXC-F Six Days (2012-) vs Honda CR 500R (1993-95) vs Honda CB 650F (2017)
Comparison technical specifications
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| Make: | Triumph | KTM | Honda | Honda |
| Model: | T120R Bonneville 650 | 250 EXC-F Six Days | CR 500R | CB 650F |
| Years: | 1969 | 2012- | 1993-95 | 2017 |
| Engine: | Four stroke, parallel twin, OHV | Four stroke, single cylinder, DOHC with finger followers, 4 valves | Two stroke, single cylinder, membrane & power valve | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 649 cc / 39.6 cu in | 248.6 cc / 15.2 cu-in | 491.4 cc / 29.9 cu-in | 649 cc / 39.6 cu-in |
| Bore x Stroke: | 71 x 82 mm | 76 x 54.80 mm | 89.0 x 79.0 mm | 67 x 46 mm |
| Compression Ratio: | 8.5:1 | 13.2:1 | 6.8:1 | 11.4:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled. |
| Induction: | 2 x Amal 1 - 1/6" carburetors | Keihin EFI, flow restrictor, 42 mm | Single 38mm Keihin flat-slide carburettor | PGM-FI Programmed Automatic Enrichment Circuit, with 32mm Throttle Bodies |
| Ignition: | Lucas MA6 alternator with 2 coils | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan | CDI | Digital transistorized with electronic advance |
| Starting: | Kick | Kick and electric | Kick | Electric |
| Clutch: | Wet, multiplate | Wet multi-disc clutch, hydraulically operated | Wet plate | Wet, multiplate with coil springs |
| Transmission: | 4 Speed, constant mesh | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain, 106 links | Chain, 5/8 x 1/4 in | Chain | #525 O-ring sealed chain |
| Frame: | Single front downtube, second bracing member running under tank | Central tube frame made of chrome molybdenum steel tubing | Welded steel tubing | Steel diamond twin spar |
| Front Suspension: | Telescopic forks, hydraulic damping | WP Suspension Up Side Down 4860 MXMA PA | 43mm Showa leading axle USD fork with adjustable compression rebound damping | 41mm telescopic forks |
| Rear Suspension: | Swingarm, twin Girling dampers | 335 mm / 13.2 in | Showa Prolink with adjustable compression rebound damping | Monoshock with spring-preload adjustability |
| Front Brakes: | 8" SLS drum | Single 260 mm disc, 2 piston caliper | 240mm Single disc hydraulic 2 piston caliper | 2x 320mm hydraulic discs with dual piston calipers |
| Rear Brakes: | 7" SLS drum | Single 220 mm disc, 1 piston caliper | 220mm Single disc hydraulic 1 piston caliper | Single 240mm disc with single piston caliper |
| Front Tyre: | 3.25 x 19, Dunlop Universal | 90/90 - 21 M/C 54M M+S TT | 80/100 - 21 | 120/70-ZR17 |
| Rear Tyre: | 4.00 x 18, Dunlop Universal | 120/80 - 18 M/C 65M M+S TT | 110/100 - 18 | 180/55-ZR17 |
| Wheelbase: | 1403 mm / 55.2 in | 1482 mm / 58.4 in | 1489 mm / 58.6 in | 1450 mm / 57.1 in |
| Seat Height: | 775 mm / 30.5 in | 970 mm / 38.2 in | 964 mm / 38.0 in | 810 mm / 31.9 in |
| Ground Clearance: | 127 mm / 5.0 in | 345 mm / 13.6 in | 343 mm / 13.5 in | 150 mm / 5.1 in |
| Fuel Capacity: | 13.6 Litres / 3.6 US gal other Export: 18 Litres / 4.8 US gal | 9.5 Litres / 2.5 US gal | 9 Litres / 2.4 US gal | 17.3 Litres / 4.5 US gal |