BMW R 25/3

From CycleChaos
Revision as of 19:01, 9 November 2019 by Bob6721 (talk | contribs) (template fixes)
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.


Bmw-r-253-1953-1956-1.jpg
'BMW R 25/3'
Manufacturer
[[BMW]]
Production 1953
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 13.01 HP (9.7 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 25/3 was a air-cooled, four-stroke, single cylinder, OHV, 2 valves per cylinder Classic motorcycle produced by BMW in 1953. Claimed horsepower was 13.01 HP (9.7 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.

1953 - 1956 BMW R 25/3

1953 - 1956 BMW R 25/3 1953 - 1956 BMW R 25/3

The 1953 BMW R 25/3 boasts features such as 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 the engine department, it sports an air-cooled, four-stroke, 247cc, single cylinder powerhouse mated to a four-speed manual transmission and can produce a claimed 13 horsepower at 5600 rpm.


In Media