These are the known mechanical and performance specifications for your 2008 Beta RR 4T 400.
ModelBeta RR 4T 400
TypeEnduro / offroad
Displacement398.00 ccm (24.29 cubic inches)
DetailsSingle cylinder, four-stroke
Bore/Stroke89.0 x 64.0 mm (3.5 x 2.5 inches)
FuelingCarburettor. Keihin FCR-MX 39
IgnitionDC-CDI without trembler with variable ignition timing, Kokusan type.
Lubrication2 oil pumps
Clutchwet multi-disc clutch
Fuel Economy & Polution
Fuel Capacity8.50 litres (2.25 gallons)
Frame TypeMolybdenum steel with double cradle split above the exhaust port
Front SuspensionHydraulic USD fork with ø45 mm shaft
Rear SuspensionMonoshock with progressive compound lever
Seat Height940 mm (37.0 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,255 mm (49.4 inches)
Total Length2,270 mm (89.4 inches)
Total Width813 mm (32.0 inches)
Ground Clearance320 mm (12.6 inches)
Wheelbase1,500 mm (59.1 inches)
Dry Weight117.5 kg (259.0 pounds)
Wheels & Brakes
Front BrakesSingle disc. double-piston floating caliper
Front Brake Diameter255 mm (10.0 inches)
Rear BrakesSingle disc. single-piston floating caliper
Rear Brake Diameter240 mm (9.4 inches)
It appears you're interested in specifications for the Beta RR 4T 400. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 398.00 ccm (24.29 cubic inches) of actual displacement before 11.0:1 compression. Fueling is metered via Carburettor. Keihin FCR-MX 39 allowing this machine to produce its horsepower and torque. According to our records engine heat of the Beta RR 4T 400 is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 90/90-21 and the rear is 140/80-18 . The entire package is supported by the frame, Molybdenum steel with double cradle split above the exhaust port. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. double-piston floating caliper front brakes and Single disc. single-piston floating caliper rear brakes. The Beta RR 4T 400 was launched in 2008, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.