Beta Jonathan

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Beta-jonathan-2002-1.jpg
Beta Jonathan
Manufacturer
Also called Jonathan 350 Cruiser, Jonathan 350
Production 2002 - 2006
Class Cruiser
Engine
single cylinder, four-stroke
Bore / Stroke 79.0mm x 71.2mm
Compression ratio 9.5:1
Horsepower 26.95 HP (20.1 KW) @ 9000RPM
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet multi-disc clutch
Suspension Front: hydraulic fork
Rear: monoshock with adjustable spring preload
Brakes Front: single disc
Rear: single disc
Front Tire 120/80-16
Rear Tire 140/90-15
Wheelbase 57.87 inches (1470 mm)
Length 85.43 inches (2170 mm)
Width 43.31 inches (1100 mm)
Height 42.91 inches (1090 mm)
Seat Height 29.13 inches (740 mm)
Weight 304.24 pounds (138.0 Kg) (dry), 138.0 kg (wet)
Fuel Capacity 5.02 Gallon (19.00 Liters)
Manuals Service Manual


The Beta Jonathan 350 was a single cylinder, four-stroke Cruiser motorcycle produced by Beta between 2002 and 2006. Claimed horsepower was 26.95 HP (20.1 KW) @ 9000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 79.0mm bore x 71.2mm stroke result in a displacement of just 349.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet multi-disc clutch.

Chassis[edit | edit source]

It came with a 120/80-16 front tire and a 140/90-15 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a hydraulic fork while the rear was equipped with a monoshock with adjustable spring preload. The Jonathan 350 was fitted with a 5.02 Gallon (19.00 Liters) fuel tank. The bike weighed just 304.24 pounds (138.0 Kg). The wheelbase was 57.87 inches (1470 mm) long.

2002 Beta Jonathan 350[edit | edit source]

2002 Beta Jonathan 350 2002 Beta Jonathan 350

Released in 2002, the Beta Jonathan 350 is an unusual Italian bike, built for cruising. It has a 349cc, air cooled, single cylinder, 4 stroke engine which is able to develop 27 hp (20.1 Kw) at 9000 rpm. Even tough it looks like a heavy bike, the Beta Jonathan 350 weighs only 138 kg.