Back to Bike FinderYears: 1965 · 1964 · 1963 · 1962 · 1961
Aermacchi Chimera 250
1961Sportbike

Aermacchi Chimera 250

Key specifications

Engine
246 cc
Power
14 HP
Weight
125 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1961 Aermacchi Chimera 250, a quintessential example of Italian motorcycle engineering that encapsulated the spirit of the early '60s. Positioned as a sport motorcycle, the Chimera 250 was designed for those who craved a nimble ride and spirited performance without compromising on style. With its sleek lines and distinctive design, this model quickly gained a faithful following among enthusiasts who appreciated its blend of aesthetics and functionality. The Chimera represented Aermacchi's commitment to producing motorcycles that were both practical and exhilarating, carving out a niche for riders who desired a lightweight yet dynamic machine. At the heart of the Aermacchi Chimera 250 lies a single-cylinder, four-stroke engine with a displacement of 246 ccm. This powerplant delivers an impressive 13.7 HP at 6500 RPM, allowing the motorcycle to reach a top speed of 120 km/h (74.6 mph). The engine's design features a compression ratio of 7.0:1 and a bore-stroke ratio of 66.0 x 72.0 mm, which contributes to its smooth power delivery and responsive throttle. The air-cooled setup ensures efficient temperature regulation, making it an ideal companion for spirited rides. Coupled with a chain final drive and a lightweight frame, the Chimera offers an engaging riding experience characterized by agility and precision, whether navigating through city streets or tackling winding country roads. The Chimera 250 is packed with practical features that enhance both performance and rider comfort. Its telescopic front suspension and drum brakes—160 mm at the front and 140 mm at the rear—provide a balanced ride, offering both stability and adequate stopping power. The motorcycle's compact dimensions, with a length of 2000 mm and a weight of just 125 kg (275.6 pounds), contribute to its nimbleness, making it easy to maneuver in tight spaces. Additionally, the traditional kick starter adds a touch of vintage charm, inviting riders to embrace the art of motorcycling in its purest form. **

Pros

  • Lightweight and Agile: Weighing just 125 kg, the Chimera 250 is easy to handle and perfect for both new and experienced riders.
  • Classic Design: The motorcycle's unique styling and classic Italian aesthetics make it a head-turner, appealing to collectors and enthusiasts alike.
  • Smooth Engine Performance: The single-cylinder engine delivers a responsive and engaging riding experience, ideal for spirited rides and urban commuting.

Cons

  • Limited Power Output: While 13.7 HP is adequate for city riding, it may feel underpowered compared to modern motorcycles, especially on highways.
  • Drum Brakes: The expanding drum brakes, while reliable, may not provide the same stopping power or feel as modern disc brakes, requiring a more cautious riding style.
  • Kick Starter Only: The absence of an electric starter may deter some riders who prefer the convenience of modern ignitions, especially in challenging conditions.

Technical details

Source specification data

Make
Aermacchi
Model
Chimera 250
Category
Sport
Starter
Kick
Power
13.70 HP (10.0 kW)) @ 6500 RPM
Ignition
Bobine
Top Speed
120.0 km/h (74.6 mph)
Fuel System
Carburettor. DellÓrto
Bore X Stroke
66.0 x 72.0 mm (2.6 x 2.8 inches)
Compression
7.0:1
Displacement
246.00 ccm (15.01 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Transmission Type Final Drive
Chain
Dry Weight
125.0 kg (275.6 pounds)
Overall Width
610 mm (24.0 inches)
Overall Height
1,000 mm (39.4 inches)
Overall Length
2,000 mm (78.7 inches)
Power Weight Ratio
0.1096 HP/kg
Seat
Dual
Wheels
Spoked
Rear Tyre
2.50-17
Front Tyre
2.50-17
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Front Suspension
Telescopic
Rear Brakes Diameter
140 mm (5.5 inches)
Front Brakes Diameter
160 mm (6.3 inches)