Beta RR 4T 450
2008Off-road

Beta RR 4T 450

Key specifications

Engine
448 cc
Weight
118 kg
Fuel type
petrol
Fuel capacity
2.3 L
Transmission
6-speed
Seat height
37 mm
Front brakes
Single disc. double-piston floating caliper
Rear brakes
Single disc. single-piston floating caliper

Overview

Introducing the 2008 Beta RR 4T 450, a formidable contender in the enduro-offroad category that’s designed for riders who crave performance and agility on rugged terrains. Known for its blend of Italian craftsmanship and cutting-edge technology, the RR 4T 450 is built for enthusiasts who demand a motorcycle that can tackle challenging trails and deliver an exhilarating riding experience. With its robust design and dependable engineering, this machine is ideal for both seasoned riders and those looking to elevate their off-road adventures. At the heart of the Beta RR 4T 450 lies a powerful 448cc single-cylinder four-stroke engine, which offers a thrilling balance of torque and responsiveness. With a compression ratio of 11.0:1, the engine is equipped to deliver a punchy performance, while the Keihin FCR-MX 39 carburetor ensures that fuel delivery is precise for optimal throttle response. Riders will appreciate the smooth shifting capability of the 6-speed gearbox, allowing for seamless transitions whether ascending steep inclines or cruising through winding trails. The liquid cooling system maintains efficient engine temperatures, ensuring that the bike remains reliable during long rides in challenging conditions. The RR 4T 450 is packed with features that enhance both comfort and performance. The frame, constructed from durable molybdenum steel, provides excellent stability and strength, while the hydraulic USD front fork with a 45mm shaft offers superior handling and control on rough terrains. The braking system is equally impressive, featuring a double-piston floating caliper up front and a single-piston caliper at the rear, ensuring optimal stopping power. With a seat height of 940mm and a ground clearance of 320mm, the bike is designed to accommodate a range of rider heights while keeping stability at the forefront. Coupled with an 8.5-liter fuel tank, the RR 4T 450 is ready for extended off-road excursions. **

Pros

  • Powerful Engine: The 448cc engine delivers robust torque, making it perfect for climbing and navigating tough trails.
  • Superior Suspension: The hydraulic USD front fork and monoshock rear suspension provide excellent handling and comfort over rough terrain.
  • Lightweight Design: At only 117.5 kg (259 lbs), the bike offers agile maneuverability, allowing riders to easily tackle obstacles.

Cons

  • Seat Height: The relatively high seat height may be challenging for shorter riders to manage comfortably.
  • Limited Fuel Capacity: With an 8.5-liter tank, riders may need to refuel more frequently during long-distance rides.
  • Maintenance Requirements: As with many high-performance off-road bikes, the RR 4T 450 may require regular maintenance to keep it performing optimally in demanding conditions.

Technical details

Source specification data

Make
Beta
Model
RR 4T 450
Category
Enduro-offroad
Modifications Compared To Previous Model
Technical Modifications
2008
New
design for headlamp support and front light assembly: more compact, with a more modern and aggressive shape.
Anti
-scratch polycarbonate lens.
New
digital instruments with smaller dimensions.
New
way of attaching the plastics at the rear end: a more practical system which improves accessibility and speeds up maintenance operations.
Optimized
and rationalized frame in the front area with new
Domex
420 plates for a better rigidity and a loss of weight.
New
hydraulic adjustment for front forks: greater sense of stability and confidence to the rider.
New
side stand in forged aluminium: lighter, more stable and more robust.
Drive
chain tensioner guide made in one piece.
New
brake pads.
The
new material gives more incisive and controllable action.
Seat
profile improved for increased confidence and comfort, also enhancing control in the bends and giving greater effectiveness when turning on the power.
Euro3
homologation
New
colour scheme, more dynamic and aggressive, with fluorescent red and black plastics combined with more flowing graphics with greater impact.
Clutch
Wet multi-disc clutch
Gearbox
6-speed
Ignition
C
-
I
without trembler with variable ignition timing,
Kokusan
type.
Fuel System
Carburettor. Keihin FCR-MX 39
Bore X Stroke
89.0 x 72.0 mm (3.5 x 2.8 inches)
Compression
11.0:1
Displacement
448.00 ccm (27.34 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Lubrication System
2 oil pumps
Transmission Type Final Drive
Chain
Dry Weight
117.5 kg (259.0 pounds)
Seat Height
940 mm (37.0 inches) If adjustable, lowest setting.
Fuel Capacity
8.50 litres (2.25 gallons)
Overall Width
813 mm (32.0 inches)
Overall Height
1,255 mm (49.4 inches)
Overall Length
2,270 mm (89.4 inches)
Ground Clearance
320 mm (12.6 inches)
Reserve Fuel Capacity
1.00 litres (0.26 gallons)
Rear Tyre
140/80-18
Frame Type
Molybdenum steel with double cradle split above the exhaust port
Front Tyre
90/90-21
Rear Brakes
Single disc. single-piston floating caliper
Front Brakes
Single disc. double-piston floating caliper
Rear Suspension
Monoshock with progressive compound lever
Front Suspension
Hydraulic USD fork with ø45 mm shaft
Rear Brakes Diameter
240 mm (9.4 inches)
Front Brakes Diameter
255 mm (10.0 inches)