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|Model Designation Letters|
|Model build time||1956-1961|
|Vehicle Identificiation||100001 an up|
|Price||248.000 italian Lira|
|Frame||Single Tube Backbone|
|Electrical System||6V/45W, LiMa Magneti Marelli, Battery 6V 7Ah|
|Top Speed||~110 Km/h|
|Rear suspension||Central Monoschock|
|Front wheel tire||2.50 x 17 R|
|Rear wheel tire||2.75 x 17 S|
|Front brake||Internal Expanding 160mm|
|Rear brake||Internal Expanding 140mm|
|Rims (Front & Rear)||17"|
|Tire pressure (Front)||1.5 Bar|
|Tire pressure (Rear)||2.0 Bar|
|Dimensions & Weight|
|Overall length||2000 mm|
|Handlebar width||610 mm|
|Fuel Tank||22 Liters|
|Fuel Tank Reserve|
|Type||4-Cycle OHV, Single Cylinder|
|Piston displacement||172.4 cc|
|Horsepower||9.25 CV at 6500 1/min|
|Starter system||kick start, left side|
|Carburetor||Dell'Orto UB 22 BS 2|
|Clutch||Wet, Multiple Plates|
The Chimera was the first production bike with the aircooled, horizontal single-cylinder four-stroke engine which Aermacchi is most famous for. The engine later was available as 250cc version as well and it was the basis for the 350cc engine which continued until 1974 as well.
The Chimera was designed by Mario Revelli de Beaumont and constructed by Alfredo Bianchi as technical leader. It was presented on December 1st in 1956 at the Milan motorcycle show. They engine had 175cc and produced 10hp at about 6800 rpm. The bike had a futuristic airstream look and was equipped with monoshock suspension. In their opinion the Chimera was the ideal motorcycle and the name “Chimera” represents that as it translates to “dream”.
The Chimera however was not a success as people didn’t like the look of the plastic panelling. The Chimera was also available as a 250cc version. However, the Chimera was very important as it marks the beginning of “The Aermacchi engine”.