General İnformation |
Model |
Beta REV 50 |
Year |
2008 |
Category |
Trial |
Engine and transmission |
Displacement |
49.90 ccm (3.04 cubic inches) |
Compression |
14.5:1 |
Bore x stroke |
39.5 x 40.8 mm (1.6 x 1.6 inches) |
Fuel system |
Carburettor. Dell´ orto PHBG 21 |
Ignition |
AET |
Lubrication system |
mix with fuel 1,5 % (synthetic oil) |
Gearbox |
6-speed |
Chassis, suspension, brakes and wheels |
Frame type |
Steel |
Front suspension |
Hydraulic fork with ø38 mm shaft |
Rear suspension |
Monoshock with adjustable spring preload |
Frame |
2.50-19 |
Front tyre |
2.50-19 |
Rear tyre |
3.5-17 |
Front brakes |
Single disc. 2-opposed pistons |
Front brakes diamete |
175 mm (6.9 inches) |
Rear brakes |
Single disc. 2-opposed pistons |
rear_brakes_diameter |
150 mm (5.9 inches) |
Physical measures and capacities |
Dry weight |
60.0 kg (132.3 pounds) |
Seat height |
620 mm (24.4 inches) If adjustable, lowest setting. |
Overall height |
1,070 mm (42.1 inches) |
Overall length |
1,850 mm (72.8 inches) |
Overall width |
720 mm (28.3 inches) |
Ground clearance |
300 mm (11.8 inches) |
Wheelbase |
1,210 mm (47.6 inches) |
Fuel capacity |
2.50 litres (0.66 gallons) |
Reserve fuel capacity |
0.50 litres (0.13 gallons) |
Other specifications |
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 ø 21 mm Dell’Orto carburettor Final drive ratio of front/rear sprockets revised and optimised to make full use of the new motor New frame with the same geometry as the larger Rev-80 and high-strength steel construction New shockabsorber to match the bike’s new geometry Completely new exhaust assembly to optimise the performance of the new engine New design of the silencer Hydraulic clutch for greater riding precision New colours and graphics to match the Rev-3 |