14 August. Friday 2026
Beta REV 50 - 2008 Specifications and Reviews
The 2008 Beta REV 50 is a lightweight trial motorcycle designed for novice and younger riders seeking to develop their skills in the sport. Known for its manageable 60kg weight and low 620mm seat height, this nimble machine excels at navigating technical terrain with precision and control. Its compact 50cc engine delivers predictable power ideal for learning trial riding fundamentals.
2008
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc clutch |
| Gearbox | 6-speed |
| Lubrication system | mix with fuel 1,5 % (synthetic oil) |
| Ignition | AET |
| Fuel system | Carburettor. Dell´ orto PHBG 21 |
| Bore x stroke | 39.5 x 40.8 mm (1.6 x 1.6 inches) |
| Compression | 14.5:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,210 mm (47.6 inches) |
| Ground clearance | 300 mm (11.8 inches) |
| Overall width | 720 mm (28.3 inches) |
| Overall length | 1,850 mm (72.8 inches) |
| Overall height | 1,070 mm (42.1 inches) |
| Seat height | 620 mm (24.4 inches) If adjustable, lowest setting. |
| Dry weight | 60.0 kg (132.3 pounds) |
| | |
Beta REV 50 dimensions and frame | |
| Rear brakes diameter | 150 mm (5.9 inches) |
| Rear brakes | Single disc. 2-opposed pistons |
| Front brakes diameter | 175 mm (6.9 inches) |
| Front brakes | Single disc. 2-opposed pistons |
| Rear tyre dimensions | 3.5-17 |
| Front tyre dimensions | 2.50-19 |
| Rear suspension | Monoshock with adjustable spring preload |
| Front suspension | Hydraulic fork with 38 mm shaft |
| Frame type | Steel |
Speed and acceleration | |
| Modifications compared to previous model | 2008 Technical Modifications New and more evolved engine with combustion parts and exhaust developed for trials use, with the objective of inspiring more confidence in the very young. 6-speed gearbox designed for trials use engine can be started with the bike in gear, to facilitate starting in all situations water cooling with electric fan to ensure better reliability and consistency of performance exhaust assembly modified to optimise match with the new engine components New 21 mm Dell'O |
| Reserve fuel capacity | 0.50 litres (0.13 gallons) |
| Fuel capacity | 2.50 litres (0.66 gallons) |
| | |
| Category | Trial |
| Year | 2008 |
| Model | Beta REV 50 |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track5%
City10%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a small-displacement youth trials machine designed for beginners and young riders learning technical balance and control rather than speed. |
| Purpose | Built purely for low-speed technical trials riding over obstacles, rocks, and tight terrain, not for road use or general off-road trail riding. |
| Rider Fit | Its extremely light dry weight and low seat height make it very manageable for smaller, younger, or lighter riders still developing skill and confidence. |
| Character | The bike rewards patience, balance, and precise throttle and clutch control over outright power, with a gentle engine tuned to build rider confidence. |
| Not Ideal For | This is not suitable for anyone wanting highway travel, passenger carrying, long-distance touring, or a machine with meaningful top-end speed. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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