Trials Bikes
2025Vertigo Nitro Works 250
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The 2025 Vertigo Nitro Works 250 is a lightweight trial bike engineered for intermediate to advanced riders seeking precision and control on technical terrain. Its liquid-cooled 247cc two-stroke engine delivers responsive power with fuel injection, while the steel frame and adjustable components provide the agility needed for competitive trial riding. Known for its refined handling and reliable performance, this model excels in rock crawling and obstacle negotiation.
- Capacity
- 247.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 4-speed
- Dry weight
- 68.0 kg
- Seat height
- 680 mm
- Power
- 18.2 HP (13.4 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for technical observed trial competition and obstacle mastery at walking pace, not for speed or distance riding.
- Built for
- A pure, focused trials tool with no compromise for comfort, carrying capacity, or road use, rewarding precision throttle and clutch control.
- Not ideal for
- This is not suitable for commuting, highway travel, carrying a passenger, or any rider wanting comfort or storage.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 247.0 ccm
- Power
- 18.2 HP (13.4 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2676 HP/kg (dry)
- Bore x stroke
- 72.5 x 60.0 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
Transmission
- Gearbox
- 4-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multi-disc oil wet, adjustable preload
Dimensions & weight
- Wheelbase
- 1310 mm
- Overall length
- 2010 mm
- Seat height
- 680 mm
- Dry weight
- 68.0 kg
- Fuel capacity
- 2.30 litres
Chassis & suspension
- Frame
- 25CrMo4 steel , aluminium 6082 subframe
- Front suspension
- Tech Factory
- Rear suspension
- Swingarm combined with REIGER 2 way monoshock with compression, rebound and spring preload adjustment
- Front wheel travel
- 170 mm
- Rear wheel travel
- 170 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic Braktec, 4-piston caliper
- Rear brakes
- Single disc. 2-piston caliper
- Front tyre
- 1.60-21
- Rear tyre
- 2.15-18
Other
- Color options
- Green/black
- Comments
- Atmospheric pressure and Air temperature sensors. ECU controlled electronic water pump.
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 | 2025 | 2026 |
|---|---|---|
| Capacity | 247 cc | 247 cc |
| Dry weight | 68 kg | 68 kg |
| Seat height | 680 mm | 680 mm |
| Fuel capacity | 2.3 L | 2.3 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 Vertigo Nitro Works 250?
The 2025 Vertigo Nitro Works 250 has a Capacity of 247.0 ccm (15.07 cubic inches).
What engine power does the Vertigo Nitro Works 250 have?
The 2025 Vertigo Nitro Works 250 has a Power of 18.2 HP (13.4 kW).
How many gears does the Vertigo Nitro Works 250 have?
The 2025 Vertigo Nitro Works 250 has a Gearbox of 4-speed.
How much does the Vertigo Nitro Works 250 weigh?
The 2025 Vertigo Nitro Works 250 has a Dry weight of 68.0 kg (149.9 pounds).
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