Honda GL1500C / F6C Valkyrie (1998) vs Honda C 72 Dream (1960-62) vs Yamaha RD 250LC / RZ 250LC (1981)
Comparison technical specifications
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| Make: | Honda | Honda | Yamaha |
| Model: | GL1500C / F6C Valkyrie | C 72 Dream | RD 250LC / RZ 250LC |
| Years: | 1998 | 1960-62 | 1981 |
| Engine: | Four stroke, Opposed boxer six cylinders, SOHC. 2 valve per cylinder | Air cooled, four stroke, twin cylinder SOHC | Two stroke, parallel twin |
| Capacity: | 1520 cc / 92.8 cub in. | 247.3 | 247 cc / 15.0 cu-in |
| Bore x Stroke: | 71 x 64 mm | 54 x 54 mm | 54 х 54 mm |
| Compression Ratio: | 9.8:1 | 8.3:1 | 6.2 :1 |
| Induction: | 6 x 28 mm Keihin carbureto4rs | 2x Mikuni VM28 SC carburetor | |
| Max Power: | 72.9 kW / 100 hp @ 6000 rpm | 14.6 kW 20 hp @ 8000 rpm | 35.5 hp / 26.1 kW @ 8500 rpm　 |
| Max Torque: | 130 Nm / 13.26 kgf-m / 95.9 lb-ft @ 5000 rpm | 18.3 NM @ 5700 rpm | 30.2 Nm / 3.1 kgf-m@ 8000 rpm |
| Front Suspension: | 45mm Showa forks | Hydra lick forks | Telescopic forks |
| Rear Suspension: | Showa dual shock, 5-position preload adjustability | Dual chocks | Monocross |
| Front Brakes: | 2 x 296 mm discs, 2 piston calipers | Drum | Single 267mm disc |
| Rear Brakes: | Single 316 mm disc, 2 piston caliper | Drum | Drum |
| Front Tyre: | 150/80-17 | 2.75-16 | 3.00-18 |
| Rear Tyre: | 180/70-16 | 3.00-16 | 3.50-18 |
| Dry Weight: | 309 kg / 681 lbs | 169 Kg | 139 kg / 306.4 lbs |
| Fuel Capacity: | 20 L / 5.3 US gal | 11.8 Litres | 16.5 Litres / 4.3 US gal |