
IZH Jupiter 4
Key specifications
Overview
Introducing the IZH Jupiter 4: A Classic Two-Stroke Marvel The 1986 IZH Jupiter 4 stands as a testament to the timeless allure of classic motorcycles. Hailing from the Soviet Union, this bike was aimed at the everyday rider who sought reliability, simplicity, and a dash of character. With its distinctive design and robust engineering, the Jupiter 4 has earned a dedicated following among enthusiasts and collectors alike. Its place in the market is particularly notable for those who appreciate the nostalgia of vintage machines, offering a glimpse into the era when two-stroke engines were the heartbeat of many motorcycles. Engine Performance and Riding Characteristics At the core of the IZH Jupiter 4 lies a spirited 350cc twin-cylinder, two-stroke engine that produces a respectable 27 horsepower at 6,000 RPM. This configuration not only delivers a thrilling ride but also embodies the raw, unfiltered experience that classic bikes are renowned for. With a compression ratio of 9.5:1 and a top speed of 125 km/h (77.7 mph), the Jupiter 4 provides an exhilarating ride, whether you're cruising through town or tackling winding back roads. The air-cooled engine is paired with a 4-speed gearbox, allowing riders to find the perfect gear for any situation, while the chain final drive ensures a direct connection to the road. Key Features and Technology The IZH Jupiter 4 showcases a blend of simplicity and functionality. Its lightweight design, tipping the scales at 180 kg (396.8 pounds) when fully fueled, makes it nimble and easy to handle. The bike features expanding drum brakes at both the front and rear, providing adequate stopping power for its era. With a fuel capacity of 17 liters (4.49 gallons), riders can expect decent range, making it suitable for short trips or leisurely rides. The classic aesthetic is complemented by its compact dimensions, ensuring that the Jupiter 4 remains an attractive option for those who appreciate motorcycle heritage. **
Pros
Cons
- Classic Appeal: The Jupiter 4’s vintage styling and two-stroke engine resonate with enthusiasts seeking a true classic motorcycle experience.
- Simplicity in Maintenance: The straightforward mechanical design allows for easier maintenance and repairs, making it a great choice for DIY aficionados.
- Nimble Handling: With its lightweight frame, the Jupiter 4 is agile and easy to maneuver, perfect for both new and experienced riders.
- Limited Power: While 27 HP is adequate for casual riding, it may feel underwhelming for those seeking high-performance capabilities.
- Basic Braking System: The drum brakes, while functional, may not provide the stopping power and reliability found in modern hydraulic disc brakes.
- Two-Stroke Characteristics: The distinct sound and maintenance needs of a two-stroke engine, including oil mixing, may not appeal to all riders and can be less convenient compared to four-stroke alternatives.
Technical details
Source specification data
- Make
- IZH
- Model
- Jupiter 4
- Category
- Classic
- Power
- 27.00 HP (19.7 kW)) @ 6000 RPM
- Gearbox
- 4-speed
- Top Speed
- 125.0 km/h (77.7 mph)
- Bore X Stroke
- 62.0 x 58.0 mm (2.4 x 2.3 inches)
- Compression
- 9.5:1
- Displacement
- 350.00 ccm (21.36 cubic inches)
- Cooling System
- Air
- Engine Details
- Twin, two-stroke
- Transmission Type Final Drive
- Chain
- Fuel Capacity
- 17.00 litres (4.49 gallons)
- Weight Incl Oil Gas Etc
- 180.0 kg (396.8 pounds)
- Rear Tyre
- 3.50-18
- Front Tyre
- 3.50-18
- Rear Brakes
- Expanding brake
- Front Brakes
- Expanding brake