Access Xtreme Enduro SP400S - 2025 Specifications and Reviews

The 2025 Access Xtreme Enduro SP400S is a lightweight dual-sport motorcycle designed for adventure riders seeking off-road capability with street versatility. Known for its compact dimensions, electric start reliability, and 14.8-liter fuel tank enabling extended range, it excels in mixed terrain exploration. The 870mm seat height and 120mm ground clearance make it accessible to riders of varying experience levels tackling both pavement and trails.

2025
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General information

Color OptionsGrey, black
CategoryATV

Engine and Transmission Specifications

StartingElectric
Final DriveChain (final drive)
Gearbox5-speed
Cooling SystemLiquid
IgnitionCDI
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionCarburettor. PD33J
Valves Per Cylinder4
Bore x Stroke74.0 x 65.2 mm (2.9 x 2.6 inches)
Capacity:359.3 ccm (21.92 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity14.80 litres (3.91 US gallons)
Ground Clearance120 mm (4.7 inches)
Overall Width1230 mm (48.4 inches)
Overall Length1870 mm (73.6 inches)
Overall Height1150 mm (45.3 inches)
Seat Height870 mm (34.3 inches) If adjustable, lowest setting.
Power/Weight Ratio0.1235 HP/kg
Dry Weight152.0 kg (335.1 pounds)

Access Xtreme Enduro SP400S dimensions and frame

Rear BrakesSingle disc
Front BrakesDouble disc
Rear Tyre20/11-9
Front Tyre21/7-10
Rear SuspensionSwing Arm
Front SuspensionDual A-Arm

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsModel id: SP400S.
Oil capacity1.60 litres (1.69 US quarts)
DrivelineWith reverse
Lubrication systemWet sump
Power18.8 HP (13.7 kW))
Engine typeSingle cylinder, four-stroke
Year2025
Motorcycle nameAccess Xtreme Enduro SP400S

Performance Profile & Rider Fit

18.8 hp
Peak Power

Best For

Track5%
City10%
Cornering30%
Daily Riding20%
Touring10%
Passenger5%

Rider Profile

Best ForNote: this vehicle is actually an ATV/quad rather than a motorcycle, so it suits riders comfortable straddling and operating four-wheeled off-road machines of any experience level, including newer riders given its modest power output.
PurposeBuilt as a compact recreational and light-duty off-road ATV for trail riding rather than speed, racing, or road use.
Rider FitLightweight and low-powered enough that smaller or less physically strong riders can manage it, though the 870mm seat height requires reasonable leg reach for balance in rough terrain.
CharacterA simple, rugged, no-frills single-cylinder machine that favors durability and easy handling over outright performance.
Not Ideal ForNot suitable for anyone wanting road-legal transport, highway speeds, long-distance touring, or a passenger-carrying experience.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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