Adventure Motorcycles
1990BMW R 65 GS
19 fields on record
The 1990 BMW R 65 GS is a versatile middleweight adventure bike that appeals to riders seeking accessible off-road capability combined with street manners. Its air-cooled 649cc boxer twin produces modest but reliable power, while the shaft-driven chassis excels at tackling mixed terrain. Best known for offering genuine adventure touring potential without intimidating weight or complexity, it remains ideal for exploratory riders and those new to adventure biking.
- Capacity
- 649.0 ccm
- Engine
- Boxer, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 198.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW) @ 5500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as an adventure-tourer, it favors long, easy-paced rides over rough roads and light trails rather than outright speed.
- Built for
- It has an unhurried, mechanically simple charm, rewarding relaxed throttle inputs and steady cruising over aggressive riding.
- Not ideal for
- It is not suited to riders wanting strong acceleration, high top speed, or sharp sportbike-like handling.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 649.0 ccm
- Power
- 27.0 HP (19.9 kW) @ 5500 RPM
- Engine type
- Boxer, four-stroke
- Power/weight ratio
- 0.1364 HP/kg
- Bore x stroke
- 82.0 x 61.5 mm
- Compression
- 8.4:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
Performance
- Top speed
- 146.0 km/h (90.7 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-21
- Rear tyre
- 4.00-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1988 | 1989 | 1990 |
|---|---|---|---|
| Capacity | 649.00 ccm (39.60 cubic inches) | 649.00 ccm (39.60 cubic inches) | 649.00 ccm (39.60 cubic inches) |
| Fuel capacity | 19.50 litres (5.15 gallons) | 19.50 litres (5.15 gallons) | 19.50 litres (5.15 gallons) |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the BMW R 65 GS?
The 1990 BMW R 65 GS has a Capacity of 649.0 ccm (39.60 cubic inches).
What engine power does the BMW R 65 GS have?
The 1990 BMW R 65 GS has a Power of 27.0 HP (19.9 kW) @ 5500 RPM.
How many gears does the BMW R 65 GS have?
The 1990 BMW R 65 GS has a Gearbox of 5-speed.
How much does the BMW R 65 GS weigh?
The 1990 BMW R 65 GS has a Wet weight of 198.0 kg (436.5 pounds).
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