Beta Minicross R-12: history, specs, pictures


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.

Beta Minicross R-12
Manufacturer
Production 2004
Class Minibike
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

EngineEdit

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

DriveEdit

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

ChassisEdit

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-12Edit

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.