Aermacchi 175 Chimera

Aermacchi 175 Chimera

Unlike many small-bore motorcycles of the 1950s, the Chimera was sleek, chic and packaged in a jazzy space age design.

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Model year
1959
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Engine Power
9.38 HP (6.9 kW) @ 6500 rpm
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Top Speed
64.62 mph

Technical Specifications

Engine and transmission

  • Engine type:
    1 cylinders, 4-stroke, Single
  • Displacement:
    172 cc (10.51 cubic inches)
  • Bore × stroke:
    2.36 inch × 2.4 inch (square)
  • Cooling system:
    Air cooled
  • Power:
    9.38 HP (6.9 kW) @ 6500 rpm
  • Throttle:
    Cable operated
  • Valve train:
    OHV, variable
  • Valves per cylinder:
    2
  • Sparks per cylinder:
    1
  • Fuel supply system:
    Carburetor
  • Ignition type:
    mechanically timed
  • Funnel diameter:
    0.71 inch
  • Compression:
    7:1
  • Engine mounting:
    Flat
  • Lubrication system:
    Wet sump
  • Gear box:
    Manual 4-speed
  • Clutch:
    Wet, multiple discs, cable operated
  • Final drive:
    Chain
  • Starter:
    Kick-starter

Dimensions

  • Length:
    78.7 inch
  • Width:
    24 inch
  • Height:
    39.4 inch
  • Dry weight:
    266.8 lbs

Chassis and suspension

  • Front
    Suspension:
    Cartridge
    Brake:
    Single Drum, Ø6.3 inch
  • Rear
    Suspension:
    mono shock, Swingarm
    Brake:
    Drum, Ø5.51 inch
  • Frame type:
    steel, Backbone frame

Other

  • ABS available:
    No
  • Top speed:
    64.62 mph
  • Fuel capacity:
    4.23 gals
  • Number of riders:
    2 persons

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