Mbike - Catalogue. Community. Map.
Catalogue. Community. Map.
BMW R90S 
1975 
Air cooled, 898cc, Boxer, OHV
| Power: | 59.96 HP (44.1 kW) @ 7000 rpm |
| Torque: | 76 Nm (56.05 lb-ft) @ 5500 rpm |
| Final drive: | Shaft |
| Top speed: | 124.27 mph |
| Curb weight: | 474 lbs |
| Category: | Touring |
| Tags: | All-rounder, Classic bike, Touring |
|
Engine and transmission
|
|
| Engine type: | 2 cylinders, 4-stroke, Boxer |
| Displacement: | 898 cc (54.87 cubic inches) |
| Bore × stroke: | 3.54 inch × 2.78 inch (oversquare - shortstroke) |
| Cooling system: | Air cooled |
| Power: | 59.96 HP (44.1 kW) @ 7000 rpm |
| Torque: | 76 Nm (56.05 lb-ft) @ 5500 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | OHV, variable |
| Valves per cylinder: | 2 |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Funnel diameter: | 1.5 inch |
| Compression: | 9.5:1 |
| Engine mounting: | Longitudinal |
| Lubrication system: | Wet sump |
| Gear box: | Manual 5-speed |
| Clutch: | Dry, single plate, cable operated |
| Final drive: | Shaft |
| Spark plug pipe type: | Bosch, W 200 T30 |
| Starter: | Electric |
|
Dimensions
|
|
| Physical measures | |
| Length: | 85.8 inch |
| Width: | 29.1 inch |
| Height: | 47.6 inch |
| Wheel base: | 57.7 inch |
| Ground clearance: | 6.5 inch |
| Seat height: | 32.3 inch |
| Weight | |
| Curb weight: | 474 lbs |
|
Chassis and suspension
|
|
| Frame type: | steel, Double cradle frame |
| Front | |
| Suspension: | Cartridge |
| Suspension travel: | 8.19 inch |
| Brake: | Single Disk, Ø10.24 inch |
| Tire: | 3.27 × 19 |
| Rear | |
| Suspension: | twin shock, Swingarm |
| Suspension travel: | 4.92 inch |
| Brake: | Drum, Ø7.87 inch |
| Tire: | 4.02 × 18 |
|
Other
|
|
| ABS available: | No |
| Power-to-weight ratio: | 0.21 KW/lbs (4.88 lbs/HP) |
| Acceleration (0-60 mph): | 4.8 sec |
| Top speed: | 124.27 mph |
| Fuel capacity: | 4.76 gals |
| Number of riders: | 2 persons |
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