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Review of 2020 Beta RR 4T 350 Dirt Motorcycle

The Beta brand is very famous among dirt motorcycle lovers as it is listed among the Top Ten Best Dirt Bike Brands in the World. The new 2020 Beta RR 4T 350 Dirt Motorcycle is the latest model by the brand that comes with a powerful 349.1ccm single-cylinder engine offering excellent throttle response. It is designed to conquer all sorts of off-road terrains and its review is written below.

2020 Beta RR 4T 350 Dirt Motorcycle – Features and Price

Engine Features

The new 2020 Beta RR 4T 350 Dirt Motorcycle features a 349.1ccm single-cylinder, four-stroke DOHC engine. The motorcycle has got bore of 89mm and a stroke of 64mm that gives excellent power delivery. In addition, the six-speed transmission ensures that the rider will have a unique gear shifting experience of all times.

Also Read: Beta 2020 RR 2T 200 Dirt Bike Review

2020 Beta RR 4T 350 Dirt Motorcycle

Chassis Features

The new 2020 Beta RR 4T 350 Dirt Motorcycle comes with a Molybdenum steel frame with a new double cradle split above the exhaust port. The suspension system of the motorcycle has got hydraulic USD fork with a 458mm shaft in the front while Monoshock with the progressive compound lever in the rear. The braking system comprises a single disc.

2020 Beta RR 4T 350 Dirt Motorcycle – Technical Specifications

Engine and transmission

Displacement 349.1 ccm (21.3 cubic inches)
Engine type Single cylinder, four-stroke
Compression 11.0:1
Bore x stroke 89 mm x 64 mm (3.5 inches x 2.5 inches)
Fuel system Carburetor. Synerject dual electronic injection
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition DC-CDI without trembler with variable ignition timing, Kokusan type.
Lubrication system Two oil pumps
Cooling system Liquid
Gearbox 6-speed
Transmission type, final drive Chain
Clutch Wet multi-disc
Fuel consumption 3.80 litres/100 km (26.3 km/l or 61.90 mpg)
Greenhouse gases 88.2 CO2 g/km. (CO2 – Carbon dioxide emission)

2020 Beta RR 4T 350 Dirt Motorcycle

Chassis, suspension, brakes, and wheels

Frame type Molybdenum steel containing double cradle split above the new exhaust port
Front suspension All-new Hydraulic USD fork with ø458mm shaft
Rear suspension Monoshock with progressive compound lever
Front tire 90/90-21
Rear tire 140/80-18
Front brakes Single disc
Diameter 255 mm (10 inches)
Rear brakes Single disc
Diameter 240 mm (9.4 inches)

Physical measures and capacities

Dry weight 117.5 kg (259 pounds)
Seat height 940 mm (37 inches) If adjustable, lowest setting.
Overall height 1270 mm (50 inches)
Overall length 2270 mm (89.4 inches)
Overall width 815 mm (32.1 inches)
Ground clearance 320 mm (12.6 inches)
Wheelbase 1490 mm (58.7 inches)
Fuel capacity 9 liters (2.38 gallons)

Other specifications

Color options Red/white/Black
Starter Electric


The new 2020 Beta RR 4T 350 Dirt Motorcycle is an impressive and powerful dirt motorcycle for those off-road motorcycle riders who want to level up their dirt ride from lower engine motorcycles. The bike features a powerful 349.1ccm engine with a firm but lightweight frame that gives maximum rider movement. The suspension system gives smooth riding pleasure while the braking system ensures ultimate braking performance.

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