Honda CB250N/CB400N

The Honda CB250N and CB400N Super Dream are motorcycles manufactured by the Honda Motor Company from 1978 to 1986. The successor to the short lived Dream model, it had a series of revisions including a six-speed transmission and what Honda termed as European styling which resembled the CB750F and CB900F. It was a popular model for Honda with 70,000 bikes sold in the UK alone.

Honda CB250N (CB400N)
Honda CB400N in the Honda Collection Hall
ManufacturerHonda Motor Company
Also calledSuper Dream
Production1978–1986
PredecessorHonda CB250T/CB400T Dream
SuccessorHonda CB450DX-K
ClassStandard
EngineAir-cooled four-stroke, parallel-twin, three valves per cylinder, sohc
Bore / stroke62.0 mm × 41.4 mm (2.44 in × 1.63 in) (250N)
70.5 mm × 50.6 mm (2.78 in × 1.99 in) (400N)
Compression ratio9.4:1 (250N)
9.3:1 (400N)
Top speed83 mph (134 km/h) (CB250N)
103.44 mph (166.47 km/h) (CB400N)
Power27 bhp (20 kW) @ 10,000rpm (250N)
43 bhp (32 kW) @ 9,500rpm (400N)
Torque14.7 lb⋅ft (19.9 N⋅m) @ 8,500rpm (250N)
24.5 lb⋅ft (33.2 N⋅m) @ 8,000rpm (400N)
Ignition typeCapacitor discharge electronic ignition, electric start, kick start (N variant only)
Transmission6-speed, chain drive manual
SuspensionFront: telescopic forks;
Rear: swingarm with twin shock absorbers (adjustable for pre-load)
BrakesSingle-disc front, single piston caliper; drum rear (250N)
Twin discs front; drum rear (400N)
Tyres3.60S19-4PR front, 4.10S18-4PR rear
Wheelbase1.395 m (4 ft 6.9 in)
1.390 m (4 ft 6.7 in) (400N)
DimensionsL: 2.115 m (6 ft 11.3 in)
W: .730 m (2 ft 4.7 in)
H: 1.105 m (3 ft 7.5 in)
Seat height0.795 m (2 ft 7.3 in)
Weight167 kg (368 lb)
171 kg (377 lb) (400N) (dry)
Fuel capacity14 L (3.1 imp gal; 3.7 US gal)
RelatedHonda CB250T
Honda CB400T
Honda CM400
Honda CB450T
Honda CB450SC
Honda CB450DX-K
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