Beta REV-4T
Key specifications
Overview
Introducing the 2008 Beta REV-4T: A Trial Bike for Every Adventurer The 2008 Beta REV-4T stands out as a premier choice for motorcycle enthusiasts seeking an exhilarating trial riding experience. Renowned for its lightweight design and agile handling, this model is a testament to Beta's commitment to crafting machines that excel in technical terrain. With a rich heritage in off-road motorcycles, the REV-4T is engineered to tackle the most challenging obstacles, making it a favorite among both novice and seasoned riders in the trial category. Engine Performance and Riding Characteristics At the heart of the REV-4T lies a robust 249.60 ccm single-cylinder, four-stroke engine, delivering a harmonious balance of power and control. With a compression ratio of 11.5:1 and a Mikuni carburettor fueling the performance, this motorcycle provides responsive throttle and smooth acceleration, essential for navigating tricky trails and steep inclines. Thanks to its liquid cooling system and efficient 5-speed gearbox, riders can expect consistent performance while minimizing fatigue during prolonged rides. Weighing in at a mere 75 kg (165.3 lbs), the REV-4T feels incredibly nimble, allowing for quick maneuvers and impressive agility in tight spots, ensuring riders can conquer both rocky outcrops and steep slopes with confidence. Key Features and Technology The 2008 Beta REV-4T showcases several innovative features that enhance its appeal. The double wave aluminum beam frame not only contributes to its lightweight characteristics but also provides superior rigidity and stability during rides. The front suspension, equipped with a hydraulic fork and a 38 mm shaft, coupled with a rear monoshock system, ensures excellent shock absorption, enhancing rider comfort on uneven surfaces. The braking system, featuring a single disc with a 4-piston caliper at the front and a solid rear disc, offers precise stopping power, ensuring confidence even in steep descents. With a ground clearance of 320 mm and a seat height adjustable to 680 mm, this motorcycle is designed to cater to a wide range of riders, promoting an inclusive riding experience. **
Pros
Cons
- Lightweight and Agile: At 75 kg, the REV-4T is easy to maneuver, making it ideal for navigating tight trails and challenging obstacles.
- Responsive Engine: The powerful single-cylinder engine offers excellent throttle response, ensuring a dynamic riding experience.
- Advanced Suspension System: The combination of a hydraulic front fork and rear monoshock provides superior comfort and stability on rough terrain.
- Limited Fuel Capacity: With only 2.20 liters (0.58 gallons) of fuel capacity, frequent refueling may be necessary on longer rides.
- Niche Market: As a dedicated trial bike, its performance may not appeal to those seeking a versatile motorcycle for varied uses.
- Maintenance Requirements: The advanced technology and components may demand higher maintenance, which could deter some casual riders.
Technical details
Source specification data
- Make
- Beta
- Model
- REV-4T
- Category
- Trial
- Modifications Compared To Previous Model
- Technical Modifications
- 2008:
- New
- fork settings.
- Optimisation
- of the oil-flow has made the forks more sensitive in absorbing the bumps as well as more reactive on the rebound, to facilitate acrobatic manoeuvres or simple movements of the front wheel.
- New
- dedicated shockabsorber settings to suit the cycle parts and the power delivery of the 4-stroke engine.
- New
- electric fuel tap: more practical, results in better mechanical accessibility and increased reliability.
- New
- hot start knob integrated into the carburettor union: immediate and easy accessibility improves practicality in starting the engine from hot.
- It
- is also less cumbersome and less vulnerable to crash damage than the earlier lever on the handlebar.
- New
- pressure-cast casings: these provide optimised design at the bottom end of the bike, to make a better match with the stoneguard rubber and casing.
- New
- outer clutch cover with five-bolt fixing for a better seal.
- New
- position for the oil filler plug: improved access to facilitate maintenance operations.
- New
- design for the clutch cover with the addition of lateral grooves to facilitate removal of the clutch: greater practicality during maintenance.
- New
- exhaust pipe with reduced metal thickness (1 mm): greater performance under acceleration together with a substantial weight reduction (-150 grams).
- Euro3
- homologation.
- New
- colour-scheme: a brand-new mix of black and fluorescent red.
- Clutch
- Wet multi-disc clutch
- Gearbox
- 5-speed
- Ignition
- electronic
- Fuel System
- Carburettor. Mikuni
- Bore X Stroke
- 77.0 x 53.6 mm (3.0 x 2.1 inches)
- Compression
- 11.5:1
- Displacement
- 249.60 ccm (15.23 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, four-stroke
- Dry Weight
- 75.0 kg (165.3 pounds)
- Seat Height
- 680 mm (26.8 inches) If adjustable, lowest setting.
- Fuel Capacity
- 2.20 litres (0.58 gallons)
- Overall Width
- 825 mm (32.5 inches)
- Overall Height
- 1,160 mm (45.7 inches)
- Overall Length
- 2,015 mm (79.3 inches)
- Ground Clearance
- 320 mm (12.6 inches)
- Rear Tyre
- 4-18
- Frame Type
- Double wave aluminium beam
- Front Tyre
- 2.75-21
- Front Brakes
- Single disc. 4 piston caliper
- Rear Suspension
- Monoshock
- Front Suspension
- Hydraulic fork with ø38 mm shaft
- Rear Brakes Diameter
- 150 mm (5.9 inches)
- Front Brakes Diameter
- 185 mm (7.3 inches)