Supermoto
2026Access Xtreme Supermoto 450 EFI
31 fields on record
The 2026 Access Xtreme Supermoto 450 EFI is a versatile mid-size ATV designed for riders seeking a balance of agility and power. Its 449cc single-cylinder four-stroke engine delivers reliable performance with modern EFI technology and liquid cooling. Built for trail enthusiasts and recreational riders, this machine excels in mixed terrain with its responsive handling and practical 5-speed transmission.
- Capacity
- 448.8 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 216.0 kg
- Seat height
- 870 mm
- Power
- 44.9 HP (33.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a sporty, single-cylinder off-road quad intended for recreational trail riding and rough-terrain fun rather than street or highway use.
- Built for
- The 450cc liquid-cooled single with fuel injection and reverse gear gives it torquey, accessible power suited to playful off-road maneuvering rather than outright speed.
- Not ideal for
- This is not a suitable choice for anyone wanting a road-legal supermoto motorcycle, highway touring, or passenger-carrying comfort.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 448.8 ccm
- Power
- 44.9 HP (33.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.2079 HP/kg (dry)
- Compression
- 11.8:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- 16-BIT ECU
- Valves per cylinder
- 4
- Lubrication system
- Wet sump, oil pump
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1270 mm
- Overall length
- 1870 mm
- Overall width
- 1230 mm
- Overall height
- 1025 mm
- Seat height
- 870 mm
- Dry weight
- 216.0 kg
- Fuel capacity
- 14.80 litres
- Ground clearance
- 120 mm
Chassis & suspension
- Front suspension
- Dual A-Arm
- Rear suspension
- Swingarm
Brakes & wheels
- Front brakes
- Double disc
- Rear brakes
- Single disc
- Front tyre
- 165/70-10
- Rear tyre
- 225/40-9
Other
- Color options
- Black, grey
- Comments
- Model id: SP450SM EFI.
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 | 449 cc | 449 cc |
| Dry weight | 216 kg | 216 kg |
| Seat height | 870 mm | 870 mm |
| Fuel capacity | 14.8 L | 14.8 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 Access Xtreme Supermoto 450 EFI?
The 2026 Access Xtreme Supermoto 450 EFI has a Capacity of 448.8 ccm (27.39 cubic inches).
What engine power does the Access Xtreme Supermoto 450 EFI have?
The 2026 Access Xtreme Supermoto 450 EFI has a Power of 44.9 HP (33.0 kW).
How many gears does the Access Xtreme Supermoto 450 EFI have?
The 2026 Access Xtreme Supermoto 450 EFI has a Gearbox of 5-speed.
How much does the Access Xtreme Supermoto 450 EFI weigh?
The 2026 Access Xtreme Supermoto 450 EFI has a Dry weight of 216.0 kg (476.2 pounds).
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