| Beta's profilation of this bike |
| Beta, with its long tradition of specialising in trials, now introduces the first 4-stroke engine designed, developed and dedicated entirely to trials. The all-new 250cc 4-stroke engine will power the new REV and will stand side by side with the traditional 2-stroke configuration, the tried and trusted warhorse of the Beta range.
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General information |
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Motorcycle name
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Beta REV-4T |
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Year
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2008 |
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Category
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Trial |
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Rating
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Engine and transmission |
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Displacement
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249.6 ccm (15.23 cubic inches) |
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Engine type
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Single cylinder, four-stroke |
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Compression
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11.5:1 |
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Bore x stroke
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77.0 x 53.6 mm (3.0 x 2.1 inches) |
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Fuel system
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Carburettor. Mikuni |
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Ignition
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Electronic |
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Cooling system
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Liquid |
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Gearbox
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5-speed |
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Clutch
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Wet multi-disc clutch |
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Chassis, suspension, brakes and wheels |
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Frame type
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Double wave aluminium beam |
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Front suspension
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Hydraulic fork with ø38 mm shaft |
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Rear suspension
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Monoshock |
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Front tire
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2.75-21 |
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Rear tire
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4-18 |
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Front brakes
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Single disc. 4 piston caliper |
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Diameter
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185 mm (7.3 inches) |
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Diameter
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150 mm (5.9 inches) |
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Physical measures and capacities |
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Dry weight
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75.0 kg (165.3 pounds) |
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Seat height
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680 mm (26.8 inches) If adjustable, lowest setting. |
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Overall height
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1160 mm (45.7 inches) |
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Overall length
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2015 mm (79.3 inches) |
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Overall width
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825 mm (32.5 inches) |
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Ground clearance
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320 mm (12.6 inches) |
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Wheelbase
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1319 mm (51.9 inches) |
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Fuel capacity
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2.20 litres (0.58 US gallons) |
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Other specifications |
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Modifications compared to previous model
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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.
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| Update specs | Report missing specs or required updates. |
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Further information |
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| Parts finder |
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| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 08 Beta REV-4T discussion group or the general Beta discussion group. |
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