Honda CBR 400RR (1988) vs Suzuki Boulevard S40 (2015-16) vs Yamaha XT 600E (1997-98)
Comparison technical specifications
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| Make: | Honda | Suzuki | Yamaha |
| Model: | CBR 400RR | Boulevard S40 | XT 600E |
| Years: | 1988 | 2015-16 | 1997-98 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | Four stroke, single cylinder, SOHC | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 399 cc / 24.3 cu-in | 652 cc / 39.8 cu-in | 595 cc / 36.3 cu-in |
| Bore x Stroke: | 55 x 42 mm | 94 x 94.0 mm | 95 x 84 mm |
| Cooling System: | Liquid cooled; radiator with cooling fan | Air cooled | Air/oil cooled |
| Compression Ratio: | 11.3:1 | 8.5:1 | 8.5:1 |
| Lubrication: | Forced pressure and wet sump | Wet sump | Dry sump |
| Induction: | 4x 26mm Flat-side CV | Mikuni BS40 | Single 28mm Y26PV carburetor |
| Ignition: | Digitalized full transistor ignition | Transistorized | T.C.I. |
| Starting: | Electric | Electric | Electric |
| Max Power: | 59 hp / 42.2 kW @ 12500 rpm | 23 kW / 31 hp @5400 rpm | 45 hp / 32.8 kW @ 6500 rpm |
| Max Torque: | 39 Nm / 28.8 ft-lb @ 10000 rpm | 50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm | 50 Nm / 5.1 kg-m @ 5500 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt | Chain |
| Front Suspension: | 41mm Showa damper-rod forks with adjustable pre-load | Telescopic 38 mm stanchions, coil spring, oil damped | 41mm Telescopic forks, oil damped |
| Rear Suspension: | Showa gas/oil shock with adjustable preload and compression | Twin shock, 5-way adjustable spring preload | Monocross with preload adjustment, |
| Front Brakes: | 2x 275mm discs 4 piston calipers | 265 mm Single disc | Single 267mm discs 2 piston caliper |
| Rear Brakes: | Single 220mm disc 2 piston caliper | Drum, rod operated | Single 220mm disc single piston caliper |
| Front Tyre: | 120/60-17 | 100/90-19 57H, tube type | 90/90-21 |
| Rear Tyre: | 150/60-18 | 140/80-15 67H, tube type | 120/90-17 |
| Dimensions: | Length 1990mm / 78.3 in width 670mm / 26.4 in Height 1080 mm / 42.5 in | Length 2180 mm / 85.8 in Width 720 mm / 28.3 in Height 1105 mm / 43.5 in | Length 2220 mm / 87.4 in Width 820 mm / 32.2 in Height 1245 mm / 49.0 in |
| Wheelbase: | 1375mm / 54.1 in | 1480 mm / 58.3 in | 1440 mm / 56.7" |
| Seat Height: | 750 mm / 29.5 in | 700 mm / 27.6 in | 860 mm / 33.9" |
| Dry Weight: | 163 kg / 359.4 lbs | 160 kg / 352 lbs | 156 kg / 344 lbs |
| Ground Clearance: | 125 mm / 4.9 in | 135mm / 5.3 in | 230 mm / 9.1" |
| Fuel Capacity: | 15 Litres / 4.0 gal | 10.5 Litres / 2.6 US gal | 15 Litres / 4.0 US gal |