BMW R 65 - 1991 Specifications and Reviews

The 1991 BMW R 65 is a lightweight enduro machine powered by an air-cooled 649cc boxer twin, delivering 27 horsepower through a robust shaft drive. Its modest weight and characterful low-end torque make it ideal for adventure-minded riders seeking off-road capability with everyday practicality and BMW reliability.

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General information

CategoryEnduro / offroad
Year1991
ModelBMW R 65

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke82.0 x 61.5 mm (3.2 x 2.4 inches)
Compression8.4:1
Power27.00
Stroke4
Engine typeTwo cylinder boxer
Capacity:649.00 ccm (39.60 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc205.0 kg (451.9 pounds)

BMW R 65 dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions120/90-18
Front tyre dimensions90/90-18

Speed and acceleration

Top speed147.0 km/h (91.3 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity22.00 litres (5.81 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
9.5s
0-60 mph
91.3 mph
Top Speed

Best For

Track10%
City55%
Cornering45%
Daily Riding55%
Touring55%
Passenger45%

Rider Profile

Best ForSuits newer or returning riders who want a low-stress, easygoing classic boxer without intimidating power.
PurposeBest suited to relaxed commuting and leisurely backroad rides rather than performance riding.
Rider FitIts modest weight and low seat height make it approachable for riders of average or smaller stature.
CharacterA mellow, understated air-cooled boxer with old-school charm and unhurried shaft-driven torque delivery.
Not Ideal ForNot for riders seeking strong acceleration, sporty handling, or off-road capability.

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

Rider Reviews

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