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Vespa 400

Bodywork

type 2S DHC
doors 2

Engine information

Bore × stroke 63.00 mm × 63.00 mm 2.48 in × 2.48 in
Cylinders S-2
Displace 0.4 litre 394 cc (24.043 cu in)
Engine type TS
Valves
Engine construction
Sump
Compression ratio 6.60:1
Fuel system 1 So carb
Maximum power
0-50 mph 58.00 s
0-60 mph -1.00 s
0-100 mph -1.00 s
0-100 km/h -1.00 s
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed 83 km/h (52 mph)
Fuel consumption
CO2 emissions
Power to weight ratio 38.89 bhp/ton
Specific output
Maximum torque
bmep 430.6 kPa (62.4 psi)
Specific torque 68.53 Nm/litre
Maximum rpm
Code
Main bearings
Coolant Air
Bore / stroke ratio 1
Unitary capacity 197 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 1694 mm
wheelbase 66.7 in
Length (milimeters) 2852 mm
Length (inches) 112.3 in
Width (milimeters) 1270 mm
Width (inches) 50 in
Height (milimeters) 1250 mm
Height (inches) 49.2 in
L:W ratio 1.68
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms) 360 kg
Kerb weight (pounds) 794 lb
Weight distribuiton
Fuel capacity (litres)
Fuel capacity (UK Ga)
Fuel capacity (US Gal)

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Rear
Engine alignment Unknown
Drive RWD
Steering rack & pinion
Turns lock-to-lock
Turning circle
Tyres 4.00-16
Wheels
Brakes F/R Dr/Dr
Brake ∅
Braked area
Transmission 3M
Top gear ratio
Final drive ratio

General information

RAC rating 4.9
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1957 Vespa 400 PDF Manual
400 picture
Designer unknown
Year 1957

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