Trials Bikes
2008Beta REV-3 125
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The 2008 Beta REV-3 125 is a lightweight trial motorcycle designed for riders seeking technical off-road performance and maneuverability. Its 124cc liquid-cooled single-cylinder engine and featherweight 70kg frame make it ideal for beginners and intermediate trial competitors navigating complex terrain. Known for precise handling and low-speed control, it remains popular for learners developing core trial skills.
- Capacity
- 124.0 ccm
- Engine
- Single
- Gearbox
- 6-speed
- Dry weight
- 70.0 kg
- Seat height
- 660 mm
- Power
- 15.0 HP (11.0 kW)
What’s new for the 2008 Beta REV-3 125
vs the 2007| Spec | 2007 | 2008 |
|---|---|---|
| Dry weight | 72.0 kg (158.7 pounds) | 70.0 kg (154.3 pounds) |
| Fuel capacity | 3.20 litres (0.85 US gallons) | 3.00 litres (0.79 US gallons) |
| Front brakes | Single disc. disc 185 mm with 4 piston caliper | Single disc. 4 piston caliper |
| Rear brakes | Single disc. disc 165 mm with 2 piston caliper | Single disc. 2 piston caliper |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for technical trial competition, obstacle negotiation, and ultra-low-speed balance and control rather than any kind of speed or distance riding.
- Built for
- A featherweight, high-revving 2-stroke trial tool with razor-sharp low-speed responsiveness and no concession to comfort or cruising ability.
- Not ideal for
- Not suitable for riders wanting highway speed, passenger carrying, touring range, or everyday street commuting.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single
- Power/weight ratio
- 0.2143 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.0 mm
- Compression
- 14.0:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Ignition
- Electronic AET 12V - 85W
- Lubrication system
- Mix with fuel 1,5 % (synthetic oil)
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc clutch with cush-drive rubber
Dimensions & weight
- Wheelbase
- 1310 mm
- Overall length
- 1990 mm
- Overall width
- 850 mm
- Overall height
- 1120 mm
- Seat height
- 660 mm
- Dry weight
- 70.0 kg
- Fuel capacity
- 3.00 litres
- Ground clearance
- 310 mm
- Reserve fuel capacity
- 0.80 litres
Chassis & suspension
- Frame
- Double wave aluminium beam
- Front suspension
- Hydraulic fork with 38 mm shaft
- Rear suspension
- Hydraulic monoshock
- Front wheel travel
- 38 mm
- Rear wheel travel
- 165 mm
Brakes & wheels
- Front brakes
- Single disc. 4 piston caliper
- Front brakes diameter
- 185 mm
- Rear brakes
- Single disc. 2 piston caliper
- Rear brakes diameter
- 165 mm
- Front tyre
- 2.75-21
- Rear tyre
- 4.00-18
Other
- Modifications compared to previous model
- Technical Modifications 2008 New fork settings: developed with the younger rider in mind, the result is a more reactive and lively response so as to make moves at a standstill easier. New shockabsorber settings. More stable performance over time, combined with greater reliability. New Keihin PWK 28 mm carburettor. New crankcase. New design for cylinder porting. Shorter clutch hose: less weight combined with a more precise and direct action. New main bearings: these ensure greater smooth
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2006 | 2007 | 2008 |
|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc |
| Dry weight | 71 kg | 72 kg | 70 kg |
| Seat height | 660 mm | 660 mm | 660 mm |
| Fuel capacity | 4.2 L | 3.2 L | 3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Beta REV-3 125?
The 2008 Beta REV-3 125 has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the Beta REV-3 125 have?
The 2008 Beta REV-3 125 has a Power of 15.0 HP (11.0 kW).
How many gears does the Beta REV-3 125 have?
The 2008 Beta REV-3 125 has a Gearbox of 6-speed.
How much does the Beta REV-3 125 weigh?
The 2008 Beta REV-3 125 has a Dry weight of 70.0 kg (154.3 pounds).
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