2023 Beta RR 4T 390

Beta RR 4T 390 2023


2023 Beta RR 4T 390 specifications, pictures, reviews and rating

Beta's profilation of this bike
To take full advantage of the increased torque at low to medium engine speeds made available by the new exhaust header, 4 stroke models now feature dedicated new engine management maps which spread the power curve out more uniformly across the entire usable range of the engine, making the performance of even the biggest displacement Beta bikes completely accessible.

General information
Model name Beta RR 4T 390
Year of manufacture 2023
Type Enduro / offroad
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Engine and transmission
Engine size 385.6 ccm (23.53 cubic inches)
Type of engine Single cylinder, four-stroke
Engine details Titanium valves
Compression 12.5:1
Bore x stroke 89.0 x 63.4 mm (3.5 x 2.5 inches)
Valves per cylinder 4
Fuel system Injection. Elldor dual electronic injection
Fuel control Double Overhead Cams/Twin Cam (DOHC)
Ignition Kokusan
Lubrication system 2 oil pumps
Cooling system Liquid
Gearbox 6-speed
Transmission type Chain (final drive)
Clutch Wet multi-disc
Fuel consumption 3.89 litres/100 km (25.7 km/l or 60.47 mpg)
Greenhouse gases 90.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis, suspension, brakes and wheels
Frame type Molybdenum steel with double cradle split above the exhaust port
Front suspension Hydraulic USD fork with 48 mm shaft
Rear suspension Monoshock with progressive compound lever
Front tire 90/90-21
Rear tire 140/80-18
Front brakes Single disc. 2-piston calipers
Diameter 260 mm (10.2 inches)
Rear brakes Single disc. Single-piston caliper
Diameter 240 mm (9.4 inches)
Wheels Wire spoked
Physical measures and capacities
Dry weight 107.5 kg (237.0 pounds)
Seat height 940 mm (37.0 inches) If adjustable, lowest setting.
Overall height 1270 mm (50.0 inches)
Overall length 2180 mm (85.8 inches)
Overall width 815 mm (32.1 inches)
Ground clearance 320 mm (12.6 inches)
Wheelbase 1490 mm (58.7 inches)
Fuel capacity 9.00 litres (2.38 US gallons)
Reserve fuel capacity 2.30 litres (0.61 US gallons)
Other specifications
Color options Red/white/Black
Starter Electric
Update specsReport missing specs or required updates.
Further information
Insurance costsCompare US insurance quotes from the nation's top providers.
Parts finder Check out our overview of motorcycle webshops at Bikez.info.
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 23 Beta RR 4T 390 discussion group or the general Beta discussion group.
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