Beta Minicross R-12: history, specs, pictures

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Beta Minicross R-12
Manufacturer
Production 2004
Class Minibike / 50cc
Engine
Single-cylinder, 2-stroke, air cooled, lamellar induction in the crankcase
Bore / Stroke 40.6mm x 40.6mm
Compression ratio 12.5:1
Fuel System Carburetor, Dell'Orto SHA 14 - 12L
Transmission Gear box: Gears
Clutch: Wet automatic centrifugal type
Suspension Front: Mechanical fork with ø30 mm shaft
Rear: Hydraulic mono shock absorber
Brakes Front: Mechanical drive drum ø90 mm
Rear: Mechanical drive drum ø90 mm
Front Tire 2.50x15
Rear Tire 3.00x 2
Wheelbase 43.31 inches (1100 mm)
Length 62.2 inches (1580 mm)
Width 26.42 inches (671 mm)
Seat Height 29.09 inches (739 mm)
Weight 46.0 kg (wet)
Manuals Service Manual


The Beta Minicross R-12 was a Single-cylinder, 2-stroke, air cooled, lamellar induction in the crankcase Minibike / 50cc motorcycle produced by Beta in 2004.

Engine[edit]

A 40.6mm bore x 40.6mm stroke result in a displacement of just 49.0 cubic centimeters.

Drive[edit]

The bike has a Gears transmission. Power was moderated via the Wet automatic centrifugal type.

Chassis[edit]

It came with a 2.50x15 front tire and a 3.00x 2 rear tire. Stopping was achieved via Mechanical drive drum ø90 mm in the front and a Mechanical drive drum ø90 mm in the rear. The front suspension was a Mechanical fork with ø30 mm shaft while the rear was equipped with a Hydraulic mono shock absorber. The wheelbase was 43.31 inches (1100 mm) long.

2004 Beta Minicross R-12[edit]

The Beta Minicross R-12 is a bike addressed to young people, a bigger version of the Minicross R-10. The manufacturer recommends that it should be used by children from 8 to 12 years. It proves to be quite dangerous for adults, because it weighs only 46 kg and has a wheelbase of 1100 mm.