Production Model Years
1953 - 1956
Frame and Engine Numbers
284001 - 331705 / 284001 - 331705
Model Specifications
Drivetrain
Displacement 245cc
Cylinders 1
Bore x Stroke (mm) 68 x 68
HP @ RPM 13 @ 5600
Compression Ratio 7.0:1
Valves OHV, 2 per cylinder
Clutch Dry, single plate, cable operated
Transmission 4 speed, foot shifted
Final Drive Driveshaft
Running Gear
Frame Tubular steel double cradle
Front Suspension Hydraulically damped telescopic fork
Rear Suspension Plunger
Front Brakes 160mm drum, single leading shoe
Rear Brakes 160mm drum, single leading shoe
Electrical
Ignition Noris magneto
Spark Plugs Bosch W240
Generator Noris ZLZ 6/45/60/3 6V 45W
Capacities & Measurements
Weight 150kg
Fuel 12l
Wheelbase 1365mm
Top Speed 115kph
Number Produced 47700

Comments

http://bmwdean.com/r25-3.htm

jeff dean's picture

New to me R25/3

pred's picture

#305324
Note that the side stand is on the right hand side of bike,

PreviewAttachmentSize
bmw_r253_a.jpg
bmw_r253_a.jpg92.51 KB
bmw_r253_b.jpg
bmw_r253_b.jpg86.64 KB

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