Kayo K4 - 2025 Specifications and Reviews

The 2025 Kayo K4 is a budget-friendly 250cc enduro bike designed for novice off-road riders and trail enthusiasts. Its air-cooled single-cylinder engine delivers modest power suitable for learning dirt bike fundamentals, while the 5-speed transmission and lightweight frame make it accessible for smaller or less experienced riders exploring beginner trails.

2025
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General information

Color OptionsWhite/blue/orange
PriceUS$ 3499. MSRP depends on country, taxes, accessories, etc.
CategoryEnduro / offroad

Engine and Transmission Specifications

StartingElectric
Final DriveChain (final drive)
Gearbox5-speed
Cooling SystemAir
IgnitionCDI
Fuel ControlSingle Overhead Cams (SOHC)
InductionCarburettor
Bore x Stroke72.0 x 61.4 mm (2.8 x 2.4 inches)
Compression Ratio9.3:1
Max Torque18.0 Nm (1.8 kgf-m or 13.3 ft.lbs) @ 6500 RPM
Capacity:249.9 ccm (15.25 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity7.50 litres (1.98 US gallons)
Wheelbase1455 mm (57.3 inches)
Ground Clearance275 mm (10.8 inches)
Overall Width810 mm (31.9 inches)
Overall Length2145 mm (84.4 inches)
Overall Height1185 mm (46.7 inches)
Seat Height925 mm (36.4 inches) If adjustable, lowest setting.
Power/Weight Ratio0.1625 HP/kg
Dry Weight115.5 kg (254.6 pounds)

Kayo K4 dimensions and frame

WheelsWire spoked. 21 inch front. 18 inch rear.
Rear BrakesSingle disc
Front BrakesSingle disc
Rear Suspension465 mm Single-Adjustable
Front Suspension850 mm Single-Adjustable
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsChinese brand.
Power18.8 HP (13.7 kW)) @ 8500 RPM
Engine typeSingle cylinder, four-stroke
Year2025
Motorcycle nameKayo K4

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 925mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2025 Kayo K4, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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