
CZ 250 Twin
Key specifications
Overview
Introducing the 1978 CZ 250 Twin, a classic motorcycle that embodies the spirit of the late '70s with its robust design and spirited performance. Produced by the Czech manufacturer CZ, known for their rich history in motorcycle production and racing, the 250 Twin stands as a testament to the era when two-stroke engines were the heartbeat of the motocross community. With its lightweight frame and nimble handling, this motorcycle appeals not only to those with a passion for vintage rides but also to enthusiasts seeking a reliable companion for urban commuting and weekend excursions alike. At the heart of the CZ 250 Twin lies a lively 246 cc twin-cylinder, two-stroke engine that produces an impressive 17 horsepower at 5250 RPM. This setup offers an exhilarating ride, reaching top speeds of 120 km/h (74.6 mph), making it a thrilling option for those seeking adrenaline on two wheels. The engine's 9.3:1 compression ratio and compact bore and stroke of 52.0 x 58.0 mm ensure a peppy performance, while the air-cooling system helps maintain optimal operating temperatures. Coupled with a 4-speed gearbox and chain final drive, riders will find the power delivery smooth, allowing for easy navigation through both city streets and open highways. The CZ 250 Twin is not just about performance; it's also equipped with features that enhance the riding experience. With a weight of only 151 kg (332.9 pounds), this motorcycle boasts an agile demeanor, making it easy to handle for both new and experienced riders. The expanding brake system at both the front and rear provides reliable stopping power, ensuring safety without compromising the bike's vintage charm. Additionally, the generous fuel capacity of 13 liters (3.43 gallons) allows riders to enjoy longer journeys without the frequent need for refueling, further enhancing its practicality. **
Pros
- Lightweight and agile: Weighing in at just 151 kg, the 250 Twin offers excellent maneuverability, perfect for both city riding and tight corners.
- Classic two-stroke performance: The two-stroke engine delivers spirited acceleration and a distinctive powerband, making for an exciting riding experience.
- Simplicity in design: With fewer complex components, maintenance is straightforward, appealing to both DIY enthusiasts and those who appreciate classic engineering.
Cons
- Limited top speed: While fun to ride, the maximum speed of 120 km/h may not satisfy those looking for a high-performance motorcycle for highway cruising.
- Braking system: The expanding brakes, while effective, may not provide the same level of stopping power as more modern disc brake systems.
- Fuel economy: The two-stroke engine can be less fuel-efficient compared to contemporary four-stroke engines, potentially leading to higher fuel costs over time.
Technical details
Source specification data
- Make
- CZ
- Model
- 250 Twin
- Category
- Classic
- 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