Naked Motorcycles
1990BMW R65
19 fields on record
The 1990 BMW R 65 is a lightweight middleweight boxer twin ideal for novice and touring riders seeking reliable, manageable performance. Known for its classic air-cooled simplicity and shaft-drive practicality, this accessible machine delivers smooth, economical power suited to everyday commuting and weekend adventures. Its 649cc engine and composed handling make it an excellent platform for learning classic motorcycle dynamics.
- Capacity
- 649.0 ccm
- Engine
- Boxer, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 205.0 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
- Best suited to relaxed commuting and leisurely backroad rides rather than performance riding.
- Built for
- A mellow, understated air-cooled boxer with old-school charm and unhurried shaft-driven torque delivery.
- Not ideal for
- Not for riders seeking strong acceleration, sporty handling, or off-road capability.
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
- 0.1317 HP/kg (wet)
- 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
- 147.0 km/h (91.3 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 90/90-18
- Rear tyre
- 120/90-18
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 | 1980 | 1983 | 1986 | 1989 | 1990 | 1992 |
|---|---|---|---|---|---|---|
| Capacity | 649 cc | 649 cc | 649 cc | 649 cc | 649 cc | 649 cc |
| Fuel capacity | 22 L | 22 L | 22 L | 22 L | 22 L | 22 L |
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 R65?
The 1990 BMW R65 has a Capacity of 649.0 ccm (39.60 cubic inches).
What engine power does the BMW R65 have?
The 1990 BMW R65 has a Power of 27.0 HP (19.9 kW) @ 5500 RPM.
How many gears does the BMW R65 have?
The 1990 BMW R65 has a Gearbox of 5-speed.
How much does the BMW R65 weigh?
The 1990 BMW R65 has a Wet weight of 205.0 kg (451.9 pounds).
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