14 August. Friday 2026
Beta REV-4T - 2008 Specifications and Reviews
The 2008 Beta REV-4T is a lightweight 250cc trial bike engineered for technical off-road competition and skilled riders. Its compact 75kg frame and responsive single-cylinder engine deliver precise control and maneuverability essential for navigating challenging terrain. Known for reliable performance in trials events, this machine excels in steep climbs and rock sections.
2008
General information | |
| Category | Trial |
| Year | 2008 |
| Model | Beta REV-4T |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc clutch |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| 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 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 249.60 ccm (15.23 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,319 mm (51.9 inches) |
| Ground clearance | 320 mm (12.6 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall length | 2,015 mm (79.3 inches) |
| Overall height | 1,160 mm (45.7 inches) |
| Seat height | 680 mm (26.8 inches) If adjustable, lowest setting. |
| Dry weight | 75.0 kg (165.3 pounds) |
Beta REV-4T dimensions and frame | |
| Rear brakes diameter | 150 mm (5.9 inches) |
| Front brakes diameter | 185 mm (7.3 inches) |
| Front brakes | Single disc. 4 piston caliper |
| Rear tyre dimensions | 4-18 |
| Front tyre dimensions | 2.75-21 |
| Rear suspension | Monoshock |
| Front suspension | Hydraulic fork with 38 mm shaft |
| Frame type | Double wave aluminium beam |
Speed and acceleration | |
| 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 th |
| Fuel capacity | 2.20 litres (0.58 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track5%
City10%
Cornering40%
Daily Riding5%
Touring3%
Passenger0%
Rider Profile
| Best For | This is a specialist trials machine best suited to riders with dedicated off-road technical skills, from intermediate trials learners to competitive experts, rather than general street or commuter riders. |
| Purpose | Built purely for competitive and recreational trials riding, where the goal is climbing obstacles, balance, and precise low-speed control rather than covering distance or speed. |
| Rider Fit | The extremely low dry weight and tiny fuel tank make it easy to muscle over obstacles, but the tall seat height and lack of seat padding demand strong legs, core balance, and standing-riding stamina rather than seated comfort. |
| Character | Featherweight, razor-sharp, and endlessly flickable, this bike rewards precise throttle and body control with almost telepathic responsiveness on technical terrain. |
| Not Ideal For | This is not the bike for anyone wanting a comfortable commuter, a highway tourer, or a fast road machine, since it has no real seat, minimal fuel range, and no pretense of on-road performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More Beta Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501
Please Login or Register if you would like to leave a comment.