Back to Bike FinderYears: 1978 · 1977 · 1976
CZ 250 Twin
1977Classic

CZ 250 Twin

Key specifications

Engine
246 cc
Power
17 HP
Fuel type
petrol
Fuel capacity
3.4 L
Transmission
4-speed
Front brakes
Expanding brake
Rear brakes
Expanding brake

Overview

Introducing the 1977 CZ 250 Twin, a motorcycle that beautifully encapsulates the spirit of the late '70s with its rugged minimalist aesthetic and spirited performance. Positioned in the naked bike category, the CZ 250 Twin was designed for riders who craved an unadulterated motorcycling experience. With its distinctive Czech engineering and classic styling, this bike appeals not only to enthusiasts of vintage motorcycles but also to those seeking a reliable and straightforward ride. Its lightweight design and approachable power output make it an attractive option for both novice riders and seasoned veterans wanting to relive the thrill of simpler times. At the heart of the 1977 CZ 250 Twin lies a robust twin-cylinder, two-stroke engine with a displacement of 246 cc, producing a commendable 17 horsepower at 5,250 RPM. This engine setup allows for a thrilling ride, reaching a top speed of 120 km/h (74.6 mph) with ease. The 9.3:1 compression ratio, combined with its air-cooling system, enables excellent thermal efficiency, ensuring that the bike remains reliable even during extended rides. The 4-speed gearbox offers smooth transitions while enhancing the overall riding experience, allowing riders to explore the bike’s potential without overwhelming them with excessive power. One of the standout features of the 1977 CZ 250 Twin is its lightweight chassis, weighing in at just 151 kg (332.9 lbs) with fluids. This makes it agile and easy to handle, perfect for navigating city streets or winding country roads. The bike is equipped with expanding brakes at both the front and rear, providing adequate stopping power for its class. With a fuel capacity of 13 liters (3.43 gallons), riders can enjoy longer journeys without the constant worry of refueling. The combination of performance, lightweight design, and practical features makes the CZ 250 Twin a timeless classic that still turns heads today. **

Pros

  • Lightweight and agile, making it easy to handle for riders of all skill levels.
  • Reliable, simple two-stroke engine with decent power output for city and country riding.
  • Classic design that appeals to vintage motorcycle enthusiasts and collectors.

Cons

  • Limited top speed compared to modern motorcycles, which may not satisfy speed enthusiasts.
  • Minimal technological features, which could deter riders looking for advanced electronics.
  • Expanding brakes may not provide the same stopping performance as modern disc brakes.

Technical details

Source specification data

Make
CZ
Model
250 Twin
Category
Naked bike
Power
17.00 HP (12.4 kW)) @ 5250 RPM
Gearbox
4-speed
Top Speed
120.0 km/h (74.6 mph)
Bore X Stroke
52.0 x 58.0 mm (2.0 x 2.3 inches)
Compression
9.3:1
Displacement
246.00 ccm (15.01 cubic inches)
Cooling System
Air
Engine Details
Twin, two-stroke
Transmission Type Final Drive
Chain
Fuel Capacity
13.00 litres (3.43 gallons)
Weight Incl Oil Gas Etc
151.0 kg (332.9 pounds)
Rear Tyre
3.25-18
Front Tyre
3.00-18
Rear Brakes
Expanding brake
Front Brakes
Expanding brake