Beta 125 RR-S

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Beta 125 RR-S
Manufacturer
Production 2017
Class Enduro
Engine
Single cylinder, 4-stroke, liquid cooled
Bore / Stroke 50.8mm x 50.8mm
Compression ratio 11.2:1
Transmission Gear box: 6-Speed

Final Drive: Chain

Clutch: Wet Multi-dsic
Suspension Front: 41 mm USD fork
Rear: Steel body shock w/adjustable spring preload
Brakes Front: 260mm rotor
Rear: 240mm rotor
Wheelbase 56.69 inches (1440 mm)
Seat Height 35.0 inches (889 mm)
Weight 103.0 kg (wet)
Manuals Service Manual


The Beta 125 RR-S was a Single cylinder, 4-stroke, liquid cooled Enduro motorcycle produced by Beta in 2017.

Engine[edit]

A 50.8mm bore x 50.8mm stroke result in a displacement of just 124.4 cubic centimeters.

Drive[edit]

The bike has a 6-Speed transmission. Power was moderated via the Wet Multi-dsic.

Chassis[edit]

Stopping was achieved via 260mm rotor in the front and a 240mm rotor in the rear. The front suspension was a 41 mm USD fork while the rear was equipped with a Steel body shock w/adjustable spring preload. The wheelbase was 56.69 inches (1440 mm) long.

2017 Beta 125 RR-S[edit]

2017 Beta 125 RR-S 2017 Beta 125 RR-S 2017 Beta 125 RR-S 2017 Beta 125 RR-S

The 125 RR-S is powered by a 124cc, 4-Stroke, 4-valve, liquid-cooled, single cylinder engine. With a cylinder bore of 2.05 in and stroke of 2.31 in, its motor is undersquare, meaning that the cylinder stroke (length) is greater than the bore (width). This makes the engine less powerful than one of similar displacement with a bigger bore. The 125 RR-S features a double cradle frame made of molybdenum steel. Suspension in the front is provided by an inverted fork measuring 41 mm in diameter. Bringing up the rear is a single shock (monoshock) system. Suspension travel measures 10.3 inches in the front and 10.6 inches in the rear. When it comes to brakes, the 125 RR-S sports a single disc measuring 260 mm in diameter in the front and a single disc measuring 220 mm in the rear.