BMW R 1150GS Adventure (2002) vs Yamaha RD 400 (1976-77)
Comparison technical specifications
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| Make: | BMW | Yamaha |
| Model: | R 1150GS Adventure | RD 400 |
| Years: | 2002 | 1976-77 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Two stroke, parallel twin cylinder, reed-valve torque induction |
| Capacity: | 1130 cc / 69 cu in | 398 cc / 24.2 cu-in |
| Bore x Stroke: | 101 x 70.5 mm | 64 х 62 mm |
| Cooling System: | Air/Oil cooled | Air cooled |
| Compression Ratio: | 10.3:1 | 6.2 :1 |
| Lubrication: | Wet sump | Autolube |
| Induction: | Bosch Motronic MA 2.4 Fuel injection | 2x 28mm Mikuni carburetors |
| Ignition: | Electronic ignition MA 2.2 Bosch Motronic | Battery, dual coils, breaker points |
| Starting: | Electric | Kick |
| Max Power: | 62.5 kW / 85 hp @ 6750 rpm (rear tyre 58.9 kW / 79 hp @ 6750 rpm) | 44 hp / 32.3 kW @ 7500 rpm |
| Max Torque: | 98 Nm / 10.0 kgf-m / 71 lb-ft @ 5250 rpm | 41.1 Nm / 4.2 kgf-m @ 7000 rpm |
| Clutch: | Single disc dry clutch, hydraulically operated | Wet multiplate |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Shaft | Chain |
| Front Suspension: | Light. Telelever with central spring strut, progressive coil spring, twin-tube gas-filled shock, | Telescopic forks |
| Rear Suspension: | Patented BMW Paralever swing arm & shaft drive, single shock with variable rebound and damping adjustments | Swing arm, dual shocks |
| Front Brakes: | 2 x 304mm discs, 4 piston calipers | Single 267mm disc |
| Rear Brakes: | Single 276mm disc, 2 piston caliper | Single 267mm disc |
| Front Tyre: | 110/80 R19 | 3.00S-18 |
| Rear Tyre: | 150/70 R17 | 3.50S-18 |
| Dimensions: | Length 2,180 mm / 85.8 in Width 980 mm / 38.6 in Height 1,435 mm / 56.5 in | Length 1995 mm / 78.5 in Width 760 mm / 3.0 in Height 1060 mm / 41.7 in |
| Wheelbase: | 1,501 mm / 59.1 in | 1320 mm / 51.9 in |
| Seat Height: | 860 -900 mm / 33.8 - 35.4 in | 800 mm / 31.4 in |
| Dry Weight: | 232 kg / 511 lbs | 165.5 kg / 364.8 lbs |
| Wet Weight: | 258 kg / 570 lbs | 171 kg / 376 lbs |
| Fuel Capacity: | 30 Litres / 7.9 US US gal | 16.5 Litres / 4.3 US gal |
| Consumption Average: | 5.7 L/100 km / 17.5 km/l / 41.2 US mpg | 43 mpg |
| Standing ¼ Mile: | 13.3 sec / 160.8 km/h / 99.9 mph | 14.1 sec / 90.1 mph 145 km/h |
| Top Speed: | 190 km/h / 118 mph | 106.8 mph 172 km/h |