Comparisons / Comparison of Aermacchi H-D 250 Ala Azzurra 1965 and Velocette Valiant 1957

Comparison of Aermacchi H-D 250 Ala Azzurra 1965 and Velocette Valiant 1957 [S]ave

Attribute
Aermacchi H-D 250 Ala Azzurra 1965 ×
Velocette Valiant 1957 ×
General
Production from (year)19651957
MakeAermacchiVelocette
ModelAermacchi H-D 250 Ala AzzurraVelocette Valiant
CategoryAllroundAllround
Engine and transmission
Engine typeSingle cylinder, four-strokeTwo cylinder boxer, four-stroke
Fuel systemCarburettorCarburettor
Displacement (cm³)246192
Power (kw)108.8
Cooling systemAirAir
Transmission type,final drive-Shaft drive (cardan)
Bore (mm)-50
Stroke (mm)-49
Fuel control-Overhead Valves (OHV)
ClutchWet multiplateDry plate
Lubrication systemBobine-
Compression7.0:18.0:1
Chassis
Front suspensionTelescopicHydralic telescopic forks
Rear suspensionSwingarm-two shocksTwin shock
Front brakesExpanding brake (drum brake). SimplexExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake). SimplexExpanding brake (drum brake)
Diameter (mm)160130
Frame typeSingle cradle-
Front tyre2.50-173.25-18
Rear tyre2.50-173.25-18
SeatDualDual seat
WheelsSpokedSpoked
Other
StarterKickKick
Dimensions
Dry weight (kg)114116
Power/weight ratio0.08770.0759
Performance
Top speed (km/h)125110
Fuel capacity (l)-12



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