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1-916-726-7334
Tue-Fri: 9am-6pm Sat: 9am-5pm
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BMW Apparel:
OEM Parts:
Special Buys:
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| Production |
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| Begin of Production |
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1969 |
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| End of Production |
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1973 |
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| Number Sold |
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7.865 |
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| Price |
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3.696,- DM |
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| Engine |
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| Motor Type |
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four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled |
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| Bore x Stroke |
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67 x 70,6 mm |
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| Cubic Capacity |
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498 ccm |
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| Max Power |
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32 hp (23,6 KW) at 6400 rpm |
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| Max Torque |
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39 Nm at 5000 rpm |
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| Compression Ratio |
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8.6 : 1 |
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| Valves per Cylinder |
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2 |
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| Valve Control |
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ohv, using push rod and rocker arm |
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| Carburation System |
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2 slide carburettors, Bing 1/26/113-1/26/114 |
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| Engine Lubrication |
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wet sump |
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| Power transmission |
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| Clutch |
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dry single plate, with diaphragm spring |
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| Number of Gears |
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4 |
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| Gear Selection |
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dog-type gearbox (ratchet foot lever) |
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| Gear Ratios |
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3.896 / 2.578 / 1.875 / 1.50 :1 |
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| Rear Wheel Ratio |
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1 : 3.56 |
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| Bevel / Crownwheel |
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9 / 32 teeth |
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| Electrical system |
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| Ignition |
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battery ignition |
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| Alternator |
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Bosch 12 V/180 W |
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| Starter |
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Bosch 0.5 hp (optional at additional charge) |
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| Spark Plugs |
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Bosch W 230 T 30/Beru 230/14/3 A/Champion N 7 Y |
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| Chassis |
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| Type of Frame |
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double-loop tubular frame with bolt-on rear section |
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| Front Suspension |
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telescopic fork with hydraulic shock absorber |
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| Rear Suspension |
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long swinging arm with strut |
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| Spring Travel front/rear |
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208 / 125 mm |
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| Rims front |
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1.85 B 19 |
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| Rims rear |
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1.85 B 18 or 2.15 B 18 |
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| Tyres front |
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3.25 S 19 |
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| Tyres rear |
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4.00 S 18 |
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| Brakes front |
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duplex drum brake 200 mm dia |
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| Brakes rear |
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simplex drum brake 200 mm dia |
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| Dimensions / Weights |
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| Length x Width x Height |
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2100 (from 1973: 2150) x 850 (850) x 1040 mm |
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| Wheel Base |
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1385 mm (from 1973: 1435 mm) |
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| Tank Capacity |
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24 l (from 1971: 17 l) |
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| Unladen Weight, full Tank |
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205 kg (from 1971: 200 kg) |
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| Max permissible Weight |
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398 kg |
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| Ground Clearance |
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165 mm |
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| Fuel Consumption |
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4,6 l/100 km (at constant 90 kph) |
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| Top Speed |
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157 kph |
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| Acceleration 0-100 kph |
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10,2 sec |
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