1957 Aermacchi Chimera 175   
Country: Italy 
Engine: Air-cooled, horizontal single-cylinder 
Ignition: Battery and coil 
Power rating: 13 bhp 
Bore and stroke: 60x61mm 
Displacement: 172.4cc 
Valves: Overhead pushrod-activated 
Fuel system: Single Dell-Orto carburetor 
Transmission: 4-speed 
Suspension: Telescopic front forks and rear single shock 
Brakes: Drum 
Weight: 318lb. 
Top speed: 65mph not bad for a 175