Naked Motorcycles
1991Honda CB 750 Nighthawk
30 fields on record
The 1991 Honda CB750 Nighthawk is a no-nonsense roadster with a 747cc air-cooled inline four making 64 Nm. It has a five-speed gearbox and a 785 mm seat.
- Capacity
- 747.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 215.0 kg
- Seat height
- 785 mm
- Power
- 75.0 HP (54.7 kW) @ 8500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a classic do-it-all naked bike for commuting, casual weekend rides, and learning the fundamentals of a smooth inline-four.
- Built for
- A mellow, mechanically simple air-cooled four that favors smooth, linear power delivery over outright excitement.
- Not ideal for
- Not for riders chasing sharp sportbike performance, aggressive cornering clearance, or any serious off-road capability.
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 usReliability & safety
Bike Reliability score, safety recalls and owner complaintsBike Reliability
How the score works →37
out of 100Below average
The 1991 Honda CB 750 Nighthawk passed its annual roadworthiness test first time 78.0% of the time, 3.1 points below expected for bikes of the same age and mileage. That beats 37% of models.
All years of this model: 41 / 100 (average) from 625 tests.
78.0%Passed first time
12.8%Failed outright
9.3%Fixed during test
37,000Typical miles
227Tests
Pass rate by miles ridden
All years of this model.
Score by year first registered
37
48
46
199119921994
Against its rivals · ranks 5 of 6
| # | Model (all years) | Score | Tests |
|---|---|---|---|
| 1 | BMW K 75 | 71 Good | 17,173 |
| 2 | Ducati 750 Sport | 59 Average | 2,600 |
| 3 | Yamaha FZX 750 Fazer | 50 Average | 640 |
| 4 | Moto Guzzi V 65 | 45 Average | 883 |
| 5 | Honda CB 750 Nighthawk | 41 Average | 625 |
| 6 | Kawasaki Zephyr 550 | 35 Below average | 7,648 |
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.
Engine
- Capacity
- 747.0 ccm
- Power
- 75.0 HP (54.7 kW) @ 8500 RPM
- Torque
- 64.0 Nm (6.5 kgf-m) @ 7500 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.3488 HP/kg (dry)
- Bore x stroke
- 67.0 x 53.0 mm
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- CDI
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multiplate
Dimensions & weight
- Wheelbase
- 1500 mm
- Seat height
- 785 mm
- Dry weight
- 215.0 kg
- Fuel capacity
- 18.00 litres
Chassis & suspension
- Frame
- Twin-downtube steel frame; steel box-section swing-arm
- Front suspension
- 41mm Air assisted forks, 139mm wheel travel.
- Rear suspension
- Dual shocks, 5-way spring preload, 107mm wheel travel.
- Rake (fork angle)
- 29.0°
- Trail
- 108 mm
Brakes & wheels
- Front brakes
- Single 316mm disc 2 piston caliper
- Front brakes diameter
- 316 mm
- Rear brakes
- 180mm drum
- Rear brakes diameter
- 180 mm
- Front tyre
- 110/80-18
- Rear tyre
- 140/70-17
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 | 1991 | 1994 | 1997 | 2000 | 2003 |
|---|---|---|---|---|---|
| Capacity | 747 cc | 747 cc | 747 cc | 747 cc | 747 cc |
| Dry weight | 215 kg | 215 kg | 215 kg | 215 kg | 215 kg |
| Seat height | 785 mm | 785 mm | 785 mm | 785 mm | 785 mm |
| Fuel capacity | 18 L | 18 L | 18 L | 18 L | 18 L |
| Bike Reliability ⓘ | 37 Below average | 46 Average | 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
Common questions
What is the engine size of the Honda CB 750 Nighthawk?
The 1991 Honda CB 750 Nighthawk has a Capacity of 747.0 ccm (45.58 cubic inches).
What engine power does the Honda CB 750 Nighthawk have?
The 1991 Honda CB 750 Nighthawk has a Power of 75.0 HP (54.7 kW) @ 8500 RPM.
How many gears does the Honda CB 750 Nighthawk have?
The 1991 Honda CB 750 Nighthawk has a Gearbox of 5-speed.
What is the torque of the Honda CB 750 Nighthawk?
The 1991 Honda CB 750 Nighthawk has a Torque of 64.0 Nm (6.5 kgf-m or 47.2 ft.lbs) @ 7500 RPM.
How much does the Honda CB 750 Nighthawk weigh?
The 1991 Honda CB 750 Nighthawk has a Dry weight of 215.0 kg (474.0 pounds).
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