Honda CB 400N Super Dream (1978-79) vs Laverda 500 Alpino S (1978) vs BMW K 75 (1985-86) vs Yamaha TDR 250 (1988-89)
Comparison technical specifications
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| Make: | Honda | Laverda | BMW | Yamaha |
| Model: | CB 400N Super Dream | 500 Alpino S | K 75 | TDR 250 |
| Years: | 1978-79 | 1978 | 1985-86 | 1988-89 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, 3 valves per cylinder, 360° crankshaft and twin balance-shafts | Four stroke, parallel twin cylinders, DOHC, 4 valve per cylinder | Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder | Two stroke, parallel twin cylinder, read valve, YPVS |
| Capacity: | 395 cc / 24.1 cu-in | 497 cc / 30.2 cu-in | 740 cc / 45 cub. in. | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 70.5 x 50.6 mm | 72 x 61 mm | 67 x 70 mm | 56.4 х 50 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 9.3:1 | 8.6:1 | 11.0:1 | 5.9:1 |
| Induction: | 32mm Keihin carburetors | 2x 32mm Dell'Orto PHF carburetors | Electronic injection, Bosch LE-Jetronic | 2x 28mm TM28SS Mikuni carburetors |
| Starting: | Electric & kick | Electric | Electric | Kick |
| Max Power: | 34 hp / 25.47 kW @ 9500 rpm | 44 hp / 32.1 kW @ 9500 rpm | 55 kW / 75 hp @ 8500 rpm | 46 hp / 37 kW @ 10000 rpm |
| Max Torque: | 28.5 Nm / @ 8000 rpm | 44.7 Nm / 33 lb-ft @ 5200 rpm | 68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm | 3.7 kgf-m / 26.7 lb-ft @ 8500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 6 Speed |
| Front Suspension: | Telescopic forks | Telescopic forks | Telescopic fork with hydraulic shock absorber. | Air assisted telescopic forks 7-way adjustable preload |
| Rear Suspension: | Dual EVO dampers with 5-way spring preload adjustment. | Swinging forks, adjustable shocks | Monolever swinging arm. | Single shock rising rate adjustable preload |
| Front Brakes: | 2x 239mm disc | 2x 260mm discs 2 piston calipers | 2 x ∅285mm discs, 2 piston calipers | Single 320mm disc 2 piston calipers |
| Rear Brakes: | 152mm Drum | Single 260mm disc 1 piston caliper | Single ∅285mm disc | Single 210mm disc single piston caliper |
| Front Tyre: | 3.60-19 | 90/90-17 | 100/90-18 56H | 110/90-18 |
| Rear Tyre: | 4.10-18 | 110/90-18 | 120/90-18 56H | 120/80-17 |
| Wet-Weight: | 175.5 kg / 387 lbs | 189 kg / 416.7 lbs | 227 kg / 500 lbs | 153 kg / 337 lbs |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 13.5 Litres / 3.5 US gal | 21 liters / 5.54 US gal | 14 Litres / 3.6 US gal |
| Consumption Average: | 52 mpg | 48 mpg | 6 l/100km / 16.6 km/l / 39 US mpg | 15.9 lm/lit |
| Standing ¼ Mile: | 14.6 sec | 14.5 sec | 12.9 sec | 13.6 sec / 152.8 km/h |
| Top Speed: | 166.4 km/h / 103.4 mph | 105 mph | 196 km/h / 122 mph | 175 km/h |