Difference between revisions of "BMW R 25/2"

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{{Infobox Motorcycle
{{Motorcycle
|name            = '''BMW R 25/2'''
|name            = '''BMW R 25/2'''
|image            =
|photo=bmw-r-252-1951-1953-2.jpg
|aka              =  
|aka              =  
|manufacturer    = [[BMW]]
|manufacturer    = [[BMW]]
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[[Category:BMW motorcycles]]
[[Category:BMW motorcycles]]
[[Category:1950s motorcycles]]
[[Category:1950s motorcycles]]
[[Category:Motorcycles needing images]]

Revision as of 02:06, 19 November 2019


Bmw-r-252-1951-1953-2.jpg
'BMW R 25/2'
Manufacturer
[[BMW]]
Production 1951
Class [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]]
Engine
air-cooled, four-stroke, single cylinder, OHV, 2 valves per cylinder
Bore / Stroke 68.6mm x 68.6mm
Compression ratio 6.5:1
Horsepower 11.94 HP (8.9 KW) @ 5600RPM
Transmission Gear box: 4-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: telescopic fork
Rear: pushrod, sprung seat
Brakes Front: single 160mm drum
Rear: single 160mm drum
Front Tire 3.25x19
Rear Tire 3.25x19
Length 81.61 inches (2073 mm)
Width 29.53 inches (750 mm)
Weight 140.0 kg (wet)
Manuals Service Manual


The BMW R 25/2 was a air-cooled, four-stroke, single cylinder, OHV, 2 valves per cylinder Classic motorcycle produced by BMW in 1951. Claimed horsepower was 11.94 HP (8.9 KW) @ 5600 RPM.

Engine

A 68.6mm bore x 68.6mm stroke result in a displacement of just 247.0 cubic centimeters.

Drive

The bike has a 4-speed, manual transmission. Power was moderated via the dry, single plate.

Chassis

It came with a 3.25x19 front tire and a 3.25x19 rear tire. Stopping was achieved via single 160mm drum in the front and a single 160mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a pushrod, sprung seat.

1951 - 1953 BMW R 25/2

1951 - 1953 BMW R 25/2 1951 - 1953 BMW R 25/2 1951 - 1953 BMW R 25/2

The 1951 BMW R 25/2 has, at its heart, an air cooled, four-stroke, 247cc, single cylinder lump paired to a four-speed manual trnasmission, and can reach a maximum power output of 12 horsepower at 5600 rpm. It also comes with laced wheels, a pushrod rear suspension with a sprung single seat, a telescopic front fork, a rear luggage rack, wide handlebars, a large headlamp, a small tail light, full fenders and a dry, single plate clutch.


In Media