BMW R 850 R - 2003 Specifications and Reviews

The 2003 BMW R 850 R is a middleweight naked bike that appeals to riders seeking classic styling with modern reliability. Its air-cooled boxer engine delivers smooth, manageable power ideal for both commuting and weekend riding. Known for its iconic BMW heritage and comfortable ergonomics, the R 850 R excels as a versatile all-rounder.

4 stars Average rating: 4 from 1 votes
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General information

CategoryNaked bike
Year2003
ModelBMW R 850 R

Engine and Transmission Specifications

Power70.00
Stroke4
Engine typeTwo cylinder boxer
Capacity:848.00 ccm (51.74 cubic inches)

Physical measures and capacities

Wheelbase1,487 mm (58.5 inches)
Alternate seat height800 mm (31.5 inches) If adjustable, highest setting.
Seat height760 mm (29.9 inches) If adjustable, lowest setting.
Dry weight238.0 kg (524.7 pounds)
 
 

BMW R 850 R dimensions and frame

Power/weight ratio0.2941 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsSilver, Bronze, Red
Reserve fuel capacity4.00 litres (1.06 gallons)
Fuel capacity20.40 litres (5.39 gallons)

Performance Profile & Rider Fit

69.7 hp
Peak Power
4.8s
0-60 mph

Best For

Track25%
City65%
Cornering60%
Daily Riding82%
Touring74%
Passenger68%

Rider Profile

Best ForSuits riders from mid-level to experienced who want a torquey, low-maintenance shaft-drive naked rather than an outright sportbike.
PurposeBuilt as a comfortable, practical all-rounder for commuting, backroad riding, and light touring rather than outright performance.
Rider FitThe 800mm seat height and upright naked-bike ergonomics make it approachable for riders of average and shorter stature, though the 238kg wet weight demands some confidence at low speeds.
CharacterA classic BMW boxer-twin character: relaxed, torque-driven, mechanically distinctive, and reassuringly stable rather than exciting.
Not Ideal ForNot for riders chasing high-speed thrills, track-day lap times, or any serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2003 BMW R 850 R Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 760mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2003 BMW R 850 R, with a moderate knee angle of around 115 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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