Honda VFR 800Fi (1998) vs Kawasaki ZX-6R (2001) vs Yamaha RD 125 (1973)
Comparison technical specifications
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| Make: | Honda | Kawasaki | Yamaha |
| Model: | VFR 800Fi | ZX-6R | RD 125 |
| Years: | 1998 | 2001 | 1973 |
| Engine: | Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Two stroke, parallel twin |
| Capacity: | 781.7 cc / 47.7 cu-in | 599 cc / 36.6 cub in. | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 72 x 48 mm | 66 x 43.8 mm | 43 х 43 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 11.6 1 | 12.8:1 | 6.8:1 |
| Induction: | PGM-FI electronic fuel injection | 4x Mikuni BDSR36R carbs | 2x 18mm Teikei carburetors |
| Ignition: | Digital transistorized with electronic advance | Digital | Battery coil |
| Starting: | Electric | Electric | Kick |
| Max Power: | 110 hp / 81 kW @ 10500 rpm | 86 kW / 118 hp @ 12500 rpm | 17 hp / 12.4 kW @ 8500 rpm |
| Max Torque: | 82 Nm / 60.4 lb-ft @ 8500 rpm | 68.8 Nm / 7.02 kgf-m / 50.74 lb-ft @ 12000 rpm | 1.3 kgf-m @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | #530 O-ring-sealed chain | Chain | Chain |
| Frame: | Aluminium, twin spar | Aluminium, twin spar | steel tube engine used as a stressed member |
| Front Suspension: | 41mm H.M.A.S. cartridge-type telescopic fork with preload adjustable damper | 46 mm cartridge fork with 12-way rebound, 12-way compression damping and spring preload adjustability | 28 mm telescopic forks |
| Rear Suspension: | Pro arm mono arm system incorporating stepless rebound-adjustable gas-charged H.M.A.S. damper with pro-link | Bottom-Link Uni-Trak with gas-charged shock, 18-way rebound, 20-way compression damping and spring preload adjustability | Dual rear shock pre-load adjustable |
| Front Brakes: | 2x 296mm discs 3 piston calipers | 2 x 300mm discs, 6 piston calipers | 150 mm Drum |
| Rear Brakes: | Single 256mm disc 3 piston caliper | Single 220mm disc, 1 piston caliper | 130 mm Drum |
| Front Tyre: | 120/70 ZR17 | 120/65 ZR17 | 2.75-18 |
| Rear Tyre: | 180/55 ZR17 | 180/55 ZR17 | 3.00-18 |
| Wheelbase: | 1440 mm / 56.7 in | 1400 mm / 54.7 in. | 1245 mm / 49.0 in |
| Seat Height: | 805 mm / 31.7 in | 820 mm / 32.3 in | 749 mm / 29.5 in |
| Fuel Capacity: | 20.8 Litres / 5.5 US gal | 18 Litres / 4.8 gal | 11.5 Litres / 3.04 US gal |
| Standing ¼ Mile: | 11.1 sec / 193.0 km/h | 11.0 sec / 203.0 km/h / 127 mph | 18.2 sec |
| Top Speed: | 235.1 km/h / 146 mph | 262 km/h / 163 mph | 81 mph |