Naked Motorcycles
1984Honda CB 400 N
25 fields on record
The 1984 Honda CB400N Super Dream is a popular parallel-twin commuter with a 395cc air-cooled engine making 28.5 Nm. It has a 14-litre tank.
- Capacity
- 395.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 170.0 kg
- Seat height
- 795 mm
- Power
- 43.0 HP (31.4 kW) @ 9500 RPM
What’s new for the 1984 Honda CB 400 N
vs the 1983| Spec | 1983 | 1984 |
|---|---|---|
| Power | 43.0 HP (31.6 kW) @ 8500 RPM | 43.0 HP (31.4 kW) @ 9500 RPM |
| Torque | — | 28.5 Nm (2.9 kgf-m or 21.0 ft.lbs) @ 8000 RPM |
| Top speed | 161.0 km/h (100.0 mph) | 166.0 km/h (103.1 mph) |
| Dry weight | — | 170.0 kg (374.8 pounds) |
| Wet weight | 185.0 kg (407.9 pounds) | not listed |
| Seat height | — | 795 mm (31.3 inches) |
| Gearbox | 6-speed | not listed |
| Front suspension | — | Telescopic forks |
| Rear suspension | — | Dual EVO dampers with 5-way spring preload adjustment. |
| Front brakes | Dual disc | 2x 239mm disc |
| Rear brakes | Expanding brake | 152mm Drum |
| Wheelbase | — | 1390 mm (54.7 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Best suited for relaxed cruising, short commutes, and casual weekend rides rather than performance riding.
- Built for
- A laid-back, air-cooled twin with modest power delivery and classic 1980s cruiser styling that rewards smooth, unhurried riding.
- Not ideal for
- Not a good fit for riders seeking high-speed thrills, aggressive cornering performance, or 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 →34
out of 100Below average
The 1984 Honda CB 400 N passed its annual roadworthiness test first time 79.3% of the time, 3.9 points below expected for bikes of the same age and mileage. That beats 34% of models.
All years of this model: 28 / 100 (below average) from 4,554 tests.
79.3%Passed first time
14.0%Failed outright
6.7%Fixed during test
32,000Typical miles
430Tests
Pass rate by miles ridden
All years of this model.
Score by year first registered
30
27
23
19
37
34
21
1979198019811982198319841985
Against its rivals · ranks 5 of 6
| # | Model (all years) | Score | Tests |
|---|---|---|---|
| 1 | Yamaha SR 500 | 40 Average | 722 |
| 2 | Honda CM 200 T | 34 Below average | 1,188 |
| 3 | Suzuki GS 450 E | 33 Below average | 563 |
| 4 | Suzuki GS 450 S | 33 Below average | 563 |
| 5 | Honda CB 400 N | 28 Below average | 4,554 |
| 6 | Honda CB 250 N | 22 Below average | 9,378 |
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
- 395.0 ccm
- Power
- 43.0 HP (31.4 kW) @ 9500 RPM
- Torque
- 28.5 Nm (2.9 kgf-m) @ 8000 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.2529 HP/kg (dry)
- Bore x stroke
- 70.5 x 50.6 mm
- Compression
- 9.3:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- CDI
Transmission
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 166.0 km/h (103.1 mph)
Dimensions & weight
- Wheelbase
- 1390 mm
- Seat height
- 795 mm
- Dry weight
- 170.0 kg
- Fuel capacity
- 14.00 litres
Chassis & suspension
- Front suspension
- Telescopic forks
- Rear suspension
- Dual EVO dampers with 5-way spring preload adjustment.
Brakes & wheels
- Front brakes
- 2x 239mm disc
- Front brakes diameter
- 239 mm
- Rear brakes
- 152mm Drum
- Rear brakes diameter
- 152 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 | 1980 | 1982 | 1983 | 1984 | 1985 | 1986 |
|---|---|---|---|---|---|---|
| Capacity | 395 cc | 395 cc | 395 cc | 395 cc | 395 cc | 395 cc |
| Dry weight | — | — | — | 170 kg | 170 kg | 170 kg |
| Seat height | — | — | — | 795 mm | 795 mm | 795 mm |
| Fuel capacity | 14 L | 14 L | 14 L | 14 L | 14 L | 14 L |
| Bike Reliability ⓘ | 27 Below average | 19 Poor | 37 Below average | 34 Below average | 21 Below average | 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 400 N?
The 1984 Honda CB 400 N has a Capacity of 395.0 ccm (24.10 cubic inches).
What engine power does the Honda CB 400 N have?
The 1984 Honda CB 400 N has a Power of 43.0 HP (31.4 kW) @ 9500 RPM.
What is the torque of the Honda CB 400 N?
The 1984 Honda CB 400 N has a Torque of 28.5 Nm (2.9 kgf-m or 21.0 ft.lbs) @ 8000 RPM.
How much does the Honda CB 400 N weigh?
The 1984 Honda CB 400 N has a Dry weight of 170.0 kg (374.8 pounds).
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