Follow Us ι
ι Sign up to get great deals! ι
0 Items  $0.00  View Cart  
1-916-726-7334
Tue-Fri: 9am-6pm Sat: 9am-5pm
A & S Motorcycle Parts, Inc. BBB Business Review
 
z

BMW Apparel:

OEM Parts:

Special Buys:


Ads:



 

R 50
   
. Data sheet
. Back to Models
Production
Begin of the Production   1955
End of the Production   1960
Numbers Produced   13510
Price   3.050,- DM
Engine
Internal Designation   252/2
Motor Type   four-stroke two-cylinder flat-twin
Bore x Stroke   68 x 68 mm
Displacement   494 ccm
Max Power   26 hp at 5800 rpm
Compression Ratio   6.8 : 1
Valves   ohv
Carburetion System   2 x carburettor Bing 1/24/45 - 1/24/46
Engine Lubricating System   forced-feed lubrication
Oil Pump   gear pump
Power transmission
Clutch   single plate saucer spring, dry
Number of Gears   4
Shifting   foot shifting
Gearbox Ratios   5.33 / 3.02 / 2.04 / 1.54
Rear Wheel Ratio   1 : 3.18 (with sidecar 1 : 4.25 or 1 : 4.33)
Bevel / Crownwheel   11 / 35 teeth (with sidecar 8 / 34 or 6 / 26)
Electrical system
Ignition System   magneto ignition
Generator   Noris L 60/6/1500 L
Spark Plugs   Bosch W 240 T1
 
Chassis
Designation   245/1
Frame   double loop steel tubular frame
Front Wheel Suspension   long arm swing with suspension units and oil-pressure shock absorbers
Rear Wheel Suspension   long arm swing with suspension units and oil-pressure shock absorbers
Wheel Rims   deep-bed 3 x 18
Tyres front   3.5 x 18
Tyres rear   3.5 x 18 (with sidecar, 4 x 18)
Brakes front   drum brake Ø 200 mm duplex full hub
Brakes rear   drum brake Ø 200 mm simplex full hub
Dimensions / Weights
Length x Width x Height   2125 x 660 x 980 mm
Wheel Base   980 mm
Fuel Tank Capacity   17 l
Unladen Weight, Full Tank   195 kg (with original sidecar 320 kg)
Idle/Riding Noise   81/82 DIN phon (from December 1955: 82/76 phon)
Load Rating   360 kg (with original sidecar 600 kg )
Fuel Consumption   approx. 4,1 l/100 km
Oil Consumption   approx. 0,5 - 1 l
Top Speed   140 kph (with original sidecar 100 kph)