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R 25/3
. Data sheet
. Back to Models
Begin of the Production 1953
End of the Production 1956
Numbers Produced 47700
Price 2.060,- DM
Internal Designation 224/4
Motor Type four-stroke single-cylinder vertical
Bore x Stroke 68 x 68 mm
Displacement 247 ccm
Max Power 13 hp at 5800 rpm
Compression Ratio 7.0 : 1
Valves ohv
Carburetion System 1 x Bing type 1/24/41 or SAWE type K 24 F
Engine Lubricating System forced-feed lubrication
Oil Pump gear pump
Power transmission
Clutch single-plate, dry
Number of Gears 4
Shifting foot switching (+ auxiliary manual switch on gearing block)
Gearbox Ratios 6.1 / 3.0 / 2.04 / 1.54
Rear Wheel Ratio 4.16 : 1 (with sidecar 4.8 : 1)
Bevel / Crownwheel 6 / 25 teeth (with sidecar 5:24)
Electrical system
Ignition System battery ignition
Generator Noris ZLZ 60/6/1600 L
Spark Plugs Bosch W 240 T1
Designation 225/3
Frame closed steel twin-loop frame, welded
Front Wheel Suspension telescopic fork
Rear Wheel Suspension telescopic suspension
Wheel Rims 3 x 18 deep-bed
Tyres front 3.25 x 18
Tyres rear 3.25 x 18
Brakes front drum brake Ø 160 mm, full width
Brakes rear drum brake Ø 160 mm, full width
Dimensions / Weights
Length x Width x Height 2065 x 760 x 730 mm (Saddle)
Wheel Base 1365 mm
Fuel Tank Capacity 12 l
Unladen Weight, Full Tank 150 kg
PermittedWeight Limit 320 kg (with original sidecar 450 kg )
Clearance 92 mm
Idle/Riding Noise 82/84 phon
Fuel Consumption approx. 2,9 l/100 km
Oil Consumption approx. 0,7 l/1000 km
Top Speed 119 kph (with original sidecar 88 kph)
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