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Naked Motorcycles

1981BMW R 80/7

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The 1981 BMW R 80/7 is a German roadster powered by a 798cc air-cooled four-stroke flat twin making 50 hp and 58 Nm. It weighs 215 kg wet and has a 5-speed gearbox and a 24-litre tank.

Capacity
797.5 ccm
Engine
Boxer, four-stroke
Gearbox
5-speed
Wet weight
215.0 kg
Seat height
810 mm
Power
50.0 HP (36.4 kW) @ 6500 RPM
⇄ Compare with another bike + Add to garage All model years
Other years 1980 1981 1982 1983 1984

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 36Agility 65Comfort 45Off-road 10Touring 30Road manners 41
Off-road & trail10%
Cornering65%
City riding55%
Daily riding55%
Touring30%
Two-up35%
Track45%
Best for
Naked bike built for its class - everyday, practical use.
Built for
A naked bike from BMW, built around a 798cc engine - a real production model, but this profile is formula-generated from its class and spec sheet rather than individually reviewed.
Not ideal for
Not for serious performance or off-road use.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 810mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 1981 BMW R 80/7, with a moderate knee angle of around 110 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Reliability & safety

Bike Reliability score, safety recalls and owner complaints

Bike Reliability

How the score works →
49
out of 100Average

The BMW R 80/7 passed its annual roadworthiness test first time 85.2% of the time, 0.2 points above expected for bikes of the same age and mileage. That beats 49% of models.

This covers every year of the model.

85.2%Passed first time
6.4%Failed outright
8.4%Fixed during test
40,000Typical miles
656Tests
Pass rate by miles ridden
0-10k
78.9%
10-20k
86%
20-30k
83.5%
30-40k
88.1%
40-50k
88.8%
50k+
86.6%

All years of this model.

Score by year first registered
19791980
Against its rivals · ranks 3 of 6
#Model (all years)ScoreTests
1 BMW R 100 CS 93 Excellent 116
2 Ducati 900 SS Hailwood-Replica 57 Average 243
3 BMW R 80/7 49 Average 656
4 Kawasaki Z 1000 J 42 Average 181
5 Harley-Davidson XLX 1000-61 34 Below average 158
6 Kawasaki Z 1000 LTD 32 Below average 195

Rivals are the most-viewed bikes on MotorcycleDB in the same category and engine size, from within three years of this model.

From British annual roadworthiness tests, 2005-2025. Contains public sector information licensed under the Open Government Licence v3.0 (DVSA MOT test data, Great Britain). How Bike Reliability works.

Full specifications

Engine
Capacity
797.5 ccm
Power
50.0 HP (36.4 kW) @ 6500 RPM
Torque
58.0 Nm (5.9 kgf-m) @ 4000 RPM
Engine type
Boxer, four-stroke
Power/weight ratio
0.2326 HP/kg (wet)
Bore x stroke
84.8 x 70.6 mm
Compression
8.2:1
Cooling system
Air
Fuel system
Carburettor
Starting
Electric
Ignition
Battery ignition
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Shaft
Clutch
Dry single plate, with diaphragm spring
Dimensions & weight
Wheelbase
1465 mm
Overall length
2210 mm
Overall width
746 mm
Overall height
1080 mm
Seat height
810 mm
Wet weight
215.0 kg
Fuel capacity
24.00 litres
Ground clearance
165 mm
Dry weight
Not on record - add it
Chassis & suspension
Front suspension
Telescopic hydraulic forks
Rear suspension
Long swinging arm with adjustable strut.
Front wheel travel
200 mm
Brakes & wheels
Front brakes
2 x ∅260mm Discs, 1 piston caliper
Front brakes diameter
260 mm
Rear brakes
Single ∅200mm drum
Rear brakes diameter
200 mm

Specs last verified against published sources: .

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 19801981198219831984
Capacity 798 cc 798 cc 798 cc 798 cc 798 cc
Seat height 810 mm 810 mm 810 mm 810 mm 810 mm
Fuel capacity 24 L 24 L 24 L 24 L 24 L
Bike Reliability ⓘ 56 Average Too few tests Too few tests Too few tests Too few tests

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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Common questions

What is the engine size of the BMW R 80/7?

The 1981 BMW R 80/7 has a Capacity of 797.5 ccm (48.67 cubic inches).

What engine power does the BMW R 80/7 have?

The 1981 BMW R 80/7 has a Power of 50.0 HP (36.4 kW) @ 6500 RPM.

How many gears does the BMW R 80/7 have?

The 1981 BMW R 80/7 has a Gearbox of 5-speed.

What is the torque of the BMW R 80/7?

The 1981 BMW R 80/7 has a Torque of 58.0 Nm (5.9 kgf-m or 42.8 ft.lbs) @ 4000 RPM.

How much does the BMW R 80/7 weigh?

The 1981 BMW R 80/7 has a Wet weight of 215.0 kg (474.0 pounds).

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