R 850 R

2003 BMW R 850 R Technical Analysis & Specification Breakdown

At the heart of the 2003 BMW R 850 R naked motorcycle, BMW relies on a 848 cc (51.7 cu in) two cylinder boxer, four-stroke powerplant. In factory specification, peak output is rated at 70 HP (51.1 kW). With a specific output of 82.5 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the R 850 R measures 238 kg (525 lbs) dry, translating to a power-to-weight ratio of 0.29 HP/kg (3.4 kg per horsepower). Rider ergonomics and chassis geometry center around a 760 mm (29.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,487 mm (58.5 in) wheelbase engineered for balanced agility and highway composure. The 20.4-liter (5.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's BMW archive, this model family spans 11 indexed model years from 1996 to 2006, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.