BMW R25 3 - Specifications & Review

R25 3

Article Complete Info

Articleid528391
CategoryAllround
MakeBMW
ModelR25 3
Year1956

Chassis, Suspension, Brakes & Wheels

FrametypeClosed steel loop-welded
FrontbrakesExpanding brake (drum brake)
Frontbrakesdiameter160 mm (6.3 inches)
FrontsuspensionCartridge
Fronttyre3.27-18
RearbrakesExpanding brake (drum brake)
Rearbrakesdiameter160 mm (6.3 inches)
RearsuspensionTelscopic
Reartyre3.27-18

Engine & Transmission

Borexstroke68.0 x 68.0 mm (2.7 x 2.7 inches)
ClutchSingle plate dry-cable operated
Compression7.1:1
CoolingsystemAir
Displacement247.00 ccm (15.07 cubic inches)
EnginedetailsSingle cylinder, four-stroke
Fuelconsumption2.90 litres/100 km (34.5 km/l or 81.11 mpg)
FuelsystemCarburettor. Bing
Gearbox4-speed
Greenhousegases67.3 CO2 g/km. (CO2 - Carbon dioxide emission)
IgnitionBattery
LubricationsystemWet sump
Power13.05 HP (9.5 kW)) @ 5800 RPM
Topspeed88.0 km/h (54.7 mph)
TransmissiontypefinaldriveShaft drive (cardan)

Other Specifications

StarterKick

Physical Measures & Capacities

Fuelcapacity12.00 litres (3.17 gallons)
Groundclearance92 mm (3.6 inches)
Overallheight710 mm (28.0 inches)
Overalllength2,065 mm (81.3 inches)
Overallwidth760 mm (29.9 inches)
Seatheight730 mm (28.7 inches) If adjustable, lowest setting.
Weightincloilgasetc150.0 kg (330.7 pounds)

About BMW

Country of Origin: Germany
Founder: Roots in Rapp Motorenwerke & Gustav Otto’s firm; BMW AG formation in 1916
Best Known For: Boxer twins, GS adventure lineage, Telelever/Paralever chassis, and S1000RR superbikes

Company History

BMW Motorrad’s identity crystallized with the 1923 R32 boxer, establishing a flat-twin, shaft-drive template that balanced smoothness, service access, and long-distance durability. Across decades, BMW refined touring and sport-touring with elegant engineering—Earles forks, then Telelever and Paralever to decouple braking and driveline forces, ABS adoption early and widely, and meticulous attention to ergonomics. The 1980 R80G/S essentially invented modern adventure motorcycling, marrying Paris-Dakar toughness to everyday usability; the GS family became a benchmark for balance, electronics integration, and real-world performance. Simultaneously, BMW diversified: silky K-series bricks and later inline-fours culminated in the ferocious S1000RR, a superbike that proved Bavaria could do apex aggression as well as alpine composure. Recent boxers gained liquid cooling and advanced rider aids, while design shifted from conservative to sculptural without losing functional clarity. Historically, BMW stands for engineering seriousness channeled into rider confidence—brakes that inspire trust in the rain, drivetrains that eat continents, and dashboards that tell the truth. Owners speak of a brand that builds companions as much as machines, and of a GS that turns map edges into invitations. From airheads to ShiftCam boxers, BMW’s throughline is thoughtful innovation aimed at making difficult rides feel easy.

Other Years

Bike n Rider logo
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.