Beta Jonathan 350
2006Cruiser

Beta Jonathan 350

Key specifications

Engine
349 cc
Weight
138 kg
Fuel type
petrol
Fuel capacity
5.0 L
Transmission
6-speed
Seat height
29 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2006 Beta Jonathan 350, a captivating custom-cruiser that embodies Italian craftsmanship and a spirit of adventure. Designed for enthusiasts who appreciate both style and performance, the Jonathan 350 stands out in the crowded cruiser market with its unique blend of retro charm and modern functionality. This motorcycle invites riders to explore urban landscapes and winding country roads alike, merging classic aesthetics with a contemporary riding experience. At the heart of the Jonathan 350 lies a robust 349cc single-cylinder, four-stroke engine that delivers a thrilling performance. With a bore and stroke measuring 79.0 x 71.2 mm, the engine is engineered for a smooth power delivery, making it a joy to ride whether cruising at low speeds or tackling twisty backroads. The bike's 6-speed gearbox ensures that riders have the right gear for any situation, while the wet multi-disc clutch provides responsive engagement and smooth shifting. The air-cooled system works in harmony with the carburettor fuel system—Mikuni BST 33—ensuring efficient combustion and reliable performance, making every ride an exhilarating adventure. The Beta Jonathan 350 is equipped with features that enhance both comfort and handling. The steel frame provides a solid foundation, paired with a hydraulic front fork and a monoshock rear suspension that offers adjustable spring preload. This setup delivers a balanced ride, absorbing bumps and imperfections in the road with ease. The braking system, featuring a single disc in the front (300 mm) and rear (220 mm), provides reliable stopping power, instilling confidence in every ride. With a generous fuel capacity of 19 liters, the Jonathan 350 is designed for longer journeys, allowing riders to venture further without the worry of frequent refueling stops. **

Pros

  • Unique Design: The custom-cruiser styling makes it stand out in a sea of similar motorcycles, appealing to riders who value aesthetics.
  • Excellent Handling: The combination of a solid frame and adjustable suspension provides a smooth, responsive ride suited for various terrains.
  • Comfortable Seat Height: With a seat height of 740 mm, the Jonathan 350 is accessible for a wide range of riders, enhancing overall comfort during long rides.

Cons

  • Limited Power for Highway Cruising: While the engine provides adequate performance for city riding, it may struggle at higher speeds on the highway, limiting long-distance travel.
  • Weight: At 138 kg, some may find the bike slightly heavier than expected for a cruiser, which could affect maneuverability in tight spaces.
  • Outdated Technology: Compared to newer models, the Jonathan 350 lacks some modern tech features, such as ABS and advanced electronics, which may deter tech-savvy riders.

Technical details

Source specification data

Make
Beta
Model
Jonathan 350
Category
Custom-cruiser
Clutch
Wet multi-disc clutch
Gearbox
6-speed
Fuel System
Carburettor. Mikuni BST 33
Bore X Stroke
79.0 x 71.2 mm (3.1 x 2.8 inches)
Displacement
349.00 ccm (21.30 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Valves Per Cylinder
4
Dry Weight
138.0 kg (304.2 pounds)
Seat Height
740 mm (29.1 inches) If adjustable, lowest setting.
Fuel Capacity
19.00 litres (5.02 gallons)
Overall Width
1,100 mm (43.3 inches)
Overall Length
2,170 mm (85.4 inches)
Ground Clearance
240 mm (9.4 inches)
Reserve Fuel Capacity
4.00 litres (1.06 gallons)
Rear Tyre
140/90-15
Frame Type
Steel
Front Tyre
120/80-16
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
Monoshock with adjustable spring preload
Front Suspension
Hydraulic fork
Rear Wheel Travel
100 mm (3.9 inches)
Front Wheel Travel
120 mm (4.7 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
300 mm (11.8 inches)