Honda CBX 125F (1987-) vs Honda CBR 1000F (1987) vs Honda NT 650 Bros MKI (1987-89) vs Beta RS 350 (2014) vs Beta RS 450 (2014)
Comparison technical specifications
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| Make: | Honda | Honda | Honda | Beta | Beta |
| Model: | CBX 125F | CBR 1000F | NT 650 Bros MKI | RS 350 | RS 450 |
| Years: | 1987- | 1987 | 1987-89 | 2014 | 2014 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | Four stroke, 52°V-Twin cylinder, SOHC, 3 valve per cylinder | Four stroke, single cylinder | Four stroke, single cylinder, 4 valve |
| Capacity: | 124 cc / 7.5 cu-in | 998 cc / 60.9 cu-in | 647 cc / 39.4 cu-in | 349 cc / 21.3 cu in | 449 cc / 27.4 cu in |
| Bore x Stroke: | 58 x 47 mm | 77 x 53.6 mm | 79 x 66 mm | 88 x 57.4 mm | 95 x 63.4 mm |
| Cooling System: | Air cooled | Liquid cooled, | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.0:1 | 10.5:1 | 9.2:1 | 12.1:1 | 11.95:1 |
| Induction: | PF40 Carburetor | 4x 38mm Keihin carburetors | 2x36mm equal pressure flat slide carburetors | Keihin FCR-MX Ø 39 mm | Keihin FCR-MX Ø 39 mm |
| Ignition: | CDI | CDI | Digital transistorized | DC-CDI with variable ignition timing, Kokusan. | DC-CDI with variable ignition timing, Kokusan. |
| Starting: | Electric | Electric | Electric | Electric and kick | Electric and kick |
| Final Drive: | Chain | Chain | Chain | O-ring chain, DID | O-ring chain, DID |
| Front Suspension: | Telescopic forks | Telescopic air assisted and ant-dive. | 41mm Telescopic forks | Marzocchi USD fork, Ø 45 mm, adjustable compression and rebound, TFX technology | Sachs USD fork, Ø 48 mm, adjustable compression and rebound, TFX technology |
| Rear Suspension: | Swinging arm | Pro-link monoshock. 6-way preload. 3-way rebound damping adjust | Pro-arm single shock, preload and rebound damping adjustment. | Sachs shock w/adjustable rebound and hi/low speed compression | Sachs shock w/adjustable rebound and hi/low speed compression, |
| Front Brakes: | Single disc | 2x 296mm discs 2 piston calipers | Single 316mm discs 2 piston calipers | Single Ø 260 mm floating disc, 2 piston caliper | Single Ø 260 mm disc, 2 piston caliper |
| Rear Brakes: | Drum | Single 276mm disc 2 piston caliper | Single 276mm disc 1 piston caliper | Single Ø 240 mm disc, 1 piston caliper | Single Ø 240 mm disc, 1 piston caliper |
| Front Tyre: | 80/100- 16 | 110/80-17 | 110/80-17 | 90/90 -21 | 90/90 - 21 |
| Rear Tyre: | 90/90- 18 | 140/80-17 | 150/70-17 | 140/80 -18 | 140/80 - 18 |
| Seat Height: | 730 mm / 31.1 in | 775 mm / 30.5 in | 773 mm / 30.6 in | 934.7 mm / 36.8 in | 934.7 mm / 36.8 in |
| Dry Weight: | 105 kg / | 222 kg / 489.4 lbs | 165 kg / 363.7 lbs | 108 kg / 240 lbs | 108 kg / 240 lbs |
| Fuel Capacity: | 12 Litres | 21 Litres / 5.5 gal | 12 Litres / 3.2 US gal | 7.9 L / 2.1 US gal | 7.9 L / 2.1 gal |