R100S
Start of Production | 1976 |
Click to View Available Literature |
End of Production | 1980 | |
Numbers Produced | 11,762 | |
Price | 10,190 DM | |
Engine |
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Motor Type | Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled | |
Bore x Stroke | 94 x 70.6 mm (3.70 x 2.78 in) | |
Displacement | 980 cc | |
Max Power | 65 hp (48 KW) at 6,600 rpm. 1978: 70 hp (51 Kw) at 7,250 rpm | |
Max Torque | 75 Nm / 55 ft lb at 5,500 rpm 1978: 77 Nm / 56 ft lb at 5,500 rpm | |
Compression Ratio | 9.5 : 1 | |
Valves Per Cylinder | 2 | |
Valve Control | OHV, using push rod and rocker arm | |
Carburation System | 2 constant depression carburettors, Bing 94/40/103 - 94/40/104 or 94/40/105 - 94/40/106 | |
Engine Lubricating System | Wet sump | |
Power Transmission |
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Clutch | Dry single plate, with diaphragm spring | |
Number of Gears | 5 | |
Gear Selection | Dog type gearbox (ratchet foot lever) | |
Gearbox Ratios | 4.4 / 2.86 / 2.07 / 1.67 / 1.50 : 1 (Optional sport version: 3.38 / 2.43 / 1.93 / 1.67 / 1.50 | |
Rear Wheel Ratio | 1: 2.91 or 1 : 3.0 | |
Bevel/Crownwheel | 11 / 32 teeth or 11 / 33 teeth | |
Electrical System |
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Ignition System | Battery ignition | |
Alternator | Bosch 12V/240 W | |
Starter | Bosch 0.6 Kw | |
Spark Plugs | Bosch W 225 T 30 / Beru 230/14/3 A / Champion N6Y | |
Chassis |
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Type of Frame | Double loop tubular frame with bolt on rear section | |
Front wheel suspension | Telescopic fork with hydraulic shock absorber | |
Rear wheel suspension | Long swinging arm with adjustable strut | |
Spring Travel Front/Rear | 200 / 125 mm (7.87 x 4.92 in) | |
Wheel Rims, Front | 1.85 B 19 | |
Wheel Rims, Rear | 2.15 B 18 | |
Tyres, Front | 3.25 H 19 | |
Tyres, Rear | 4.00 H 18 | |
Brakes, Front | Dual disc brake 260 mm / 10.23 in diameter. ATE 1 piston caliper | |
Brakes, Rear | Simplex drum brake 200 mm / 7.87 in diameter. 1978: single disc brake 260 mm / 10.23 in diameter | |
Dimensions / Weights |
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Length x Width x Height | 2130 x 746 x 1210 mm (83.85 x 29.37 x 47.63 in) | |
Wheel Base | 1465 mm / 57.67 in | |
Fuel Tank Capacity | 24 litres / 5.27 gal / 6.34 gal US | |
Unladen Weight with Full Tank | 220 Kg / 484 lb | |
Max. Permissible Weight | 398 Kg / 876 lb | |
Ground Clearance | 165 mm / 6.49 in | |
Seat Height (Unladen) | 820 mm (32.3 inches) | |
Fuel Consumption (at constant 90 Kph) | 65 hp 5.45 litres / 51 mpg / 43 mpg US and 70 hp 5.75 litres per100 Km / 49 mpg / 40 mpg US | |
Top Speed | 200 Kph / 124 mph | |
Acceleration 0 - 100 Kph / 62 mph | 65 hp: 4.7 seconds. 70 hp: 4.6 seconds |
Information kindly supplied by P.Hawksley