Comparisons / Comparison of Aermacchi 250 Ala Verde Serie 1 1960 and NSU 251 OSL 1938

Comparison of Aermacchi 250 Ala Verde Serie 1 1960 and NSU 251 OSL 1938 [S]ave

Attribute
Aermacchi 250 Ala Verde Serie 1 1960 ×
NSU 251 OSL 1938 ×
General
Production from (year)19601938
MakeAermacchiNSU
ModelAermacchi 250 Ala Verde Serie 1NSU 251 OSL
CategorySportSport
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Fuel systemCarburettor. DellÓrtoCarburettor
Displacement (cm³)246.2242
Power (kw)11.77.7
Cooling systemAirAir
Transmission type,final driveChainChain
Bore (mm)6664
Stroke (mm)7275
Gearbox4-speed4-speed
Ignition-Battery-Bosch
ClutchWet multiplate-
Compression8.5:1-
Chassis
Front suspensionTelescopic -Geriani-
Rear suspensionSwingarm-two shocks-
Front brakesExpanding brake (drum brake). SimplexExpanding brake (drum brake)
Rear brakesExpanding brake (drum brake). SimplexExpanding brake (drum brake)
Diameter (mm)180-
Frame typeSingle cradleOpen double steel
Front tyre2.50-173-19
Rear tyre2.50-173-19
SeatDualSingle spring-mounted
WheelsSpokedSpoked
Other
StarterKickKick
Dimensions
Wheelbase (mm)1,2701,285
Dry weight (kg)114126
Power/weight ratio0.10260.0611
Overall height (mm)9101,000
Overall length (mm)1,9382,000
Overall width (mm)762760
Performance
Top speed (km/h)140100
Fuel capacity (l)1711.5



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