BMW R 100 RS
Number sold 6.081
Price 15.700,- DM
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| Type | four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled |
| Bore/stroke | 94 x 70,6 mm |
| Cubic capacity | 980 cm3 |
| Max power | 60 PS (44 kW) at 6500 rpm |
| Max torque | 74 Nm at 3500 rpm |
| Compression ratio | 8,45 : 1 |
| Valves per cylinder | 2 |
| Valve control | ohv, using push rod and rocker arm |
| Carburation system | 2 constant depression carburettors Bing V 64/32/363 - 64/32/364 |
| Engine lubrication | wet sump |
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| Power transmission | |
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| Clutch | single discs, dry mit übersetzter Tellerfeder |
| Number of gears | 5 |
| Gear selection | dog-type gearbox (ratchet foot lever) |
| Gear ratios | 4,4 / 2,86 / 2,07 / 1,67 / 1,50 :1 |
| Rear wheel ratio | 1 : 3,0 |
| Bevel/crown wheel | 11 / 33 teeth |
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| Electrical system | |
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| Alternator | Bosch 280 W |
| Ignition | Kontaktlose elektronische Ignition (Bosch) |
| Starter | Bosch 0,7 kW |
| Spark plugs | Bosch W 7 DC / Beru 14 - 7 DU / Champion N 9 YC |
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| Suspension | |
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| Type of frame | double-loop tubular frame with bolt-on rear section |
| Front suspension | telescopic fork with hydraulic shock absorber |
| Rear suspension | BMW Monolever - swinging arm |
| Spring travel | 175 / 121 mm |
| Rims front | MTH 2,50 x 18 E |
| Rims rear | MTH 2,50 x 18 E |
| Tyres front | 90/90 18 51 H |
| Tyres rear | 120/90 18 65 H |
| Brakes front | single disc brake Ø 285 mm |
| Brakes rear | Simplex drum brake Ø 200 mm |
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| Dimensions and weights | |
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| Length x width x height | 2175 x 800 x 1380 mm |
| Wheel base | 1447 mm |
| Ground clearance | 140 mm |
| Tank capacity | 22 l |
| Unladen weight, full tank | 229 kg |
| Max permissible weight | 440 kg |
| Fuel consumption | 4,3 l / 100 km (at constant 90 km/h) |
| Acceleration | 0 - 100 km/h 5,0 s |
| Top speed | 185 km/h |
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