Yamaha SR 400 (1998-03) vs Honda VFR 400Z (1987)
Comparison technical specifications
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| Make: | Yamaha | Honda |
| Model: | SR 400 | VFR 400Z |
| Years: | 1998-03 | 1987 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Four stroke 90°V-four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 399 cc / 24.3 cu-in | 399 cc / 15.7 cu-in |
| Bore x Stroke: | 87 х 67.2 mm | 55 x 42 mm |
| Compression Ratio: | 8.5:1 | 11.3:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Dry sump | Wet sump |
| Induction: | BSR33 carburetor | 4x 34mm Keihin CV type carburetors |
| Ignition: | CDI | Digitalized full transistor ignition |
| Starting: | Kick | Electric |
| Max Power: | 27 hp / 17.1 KW @ 7000 rpm | 59 hp / 43.1 kW @ 12800 rpm |
| Max Torque: | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 39 Nm / 4.0 kgf-m / 28.8 lb-ft @ 10000 rpm |
| Clutch: | Wet, Multiple Disc | Wet, cable operated |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel Double Cradle | Twin-spar aluminum |
| Front Suspension: | Telescopic fork | 41mm inverted forks: preload and rebound damping |
| Rear Suspension: | Dual shocks | Rising-rate monoshock: pre-load and rebound damping |
| Front Brakes: | Single disc | 2x 269mm 4 piston calipers |
| Rear Brakes: | Drum | Single disc 2 piston caliper |
| Front Tyre: | 3.50-19 | 100/90 R16 |
| Rear Tyre: | 4.00-16 | 140/60 R18 |
| Trail: | 111 mm / 4.4 in | 96 mm / 3.7 in |
| Wheelbase: | 1410 mm / 55.5 IN | 1345 mm / 53.0 in |
| Seat Height: | 790 mm / 30.9 in | 870 mm / 30.7 in |
| Fuel Capacity: | 12 Litres / 3.2 gal | 18 Litres / 4.0 US gal |