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

R 57

R 57
. Data sheet
. Back to Models
Production
Begin of the Production 1928
End of the Production 1930
Numbers Produced 1005
Price 1.850,- RM
Engine
Internal Designation M 56
Motor Type four-stroke two-cylinder flat-twin
Bore x Stroke 68 x 68 mm
Displacement 494 ccm
Max Power 18 hp at 4000 rpm
Compression Ratio 5.8 : 1
Valves ohv
Carburetion System 1 x carburettor, BMW Spezial two-valve 24 mm
Engine Lubricating System forced-feed lubrication
Oil Pump gear pump
Power transmission
Clutch single-plate, dry - from engine no. 70889: two plates
Number of Gears 3
Shifting manual
Gearbox Ratios 2.83 / 1.55 / 1.08
Rear Wheel Ratio 1 : 4.38 (with sidecar 1 : 5.7)
Bevel / Crownwheel 13 / 57 teeth (sidecar 10 / 57)
Electrical system
Ignition System Bosch high-voltage magneto ignition
Generator Bosch magneto generator on request
Spark Plugs Bosch W 175
Chassis
Designation F 56
Frame twin-loop steel tubular frame
Front Wheel Suspension plate spring, 6 laminae
Rear Wheel Suspension rigid
Wheel Rims deep-bed 19 x 3 or 21 x 2.5
Tyres front 26 x 3.5 on 19 x 3 or 27 x 2.75 on 21 x 2.5
Tyres rear 26 x 3.5 on 19 x 3 or 27 x 2.75 on 21 x 2.5
Brakes front drum brake Ø 200 mm
Brakes rear external shoe brake at gearing (on cardan shaft)
Dimensions / Weights
Length x Width x Height 2100 x 800 x 950 mm
Wheel Base 1400 mm
Fuel Tank Capacity 12,5 l
Unladen Weight, Full Tank 150 kg
Load Rating 210 kg
Fuel Consumption approx. 3,5 l/100 km
Oil Consumption approx. 1-2 l/1000 km
Top Speed 115 kph
CATEGORIES:
INFO:
LINKS:
A&S BMW Ships Via USPS and Fed-Ex.
A&S BMW proudly accepts Visa, MasterCard, Discover and American Express!




This site is best viewed on Mozilla Firefox or Google Chrome browsers.


A&S BMW Motorcycles  ι  1125 Orlando Ave. Roseville CA 95661  ι  1-916-726-7334  ι  © Copyright 1996-2016 A&S Motorcycle Parts Inc.  ι  All Rights Reserved
McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams