Jawa 400 Geeny - 2026 Specifications and Reviews

The 2026 Jawa 400 Geeny is a nimble naked bike powered by a 401cc liquid-cooled twin-cylinder engine producing 42.2 horsepower, making it ideal for riders seeking engaging mid-range performance and responsive handling. Its compact dimensions and manageable power delivery suit both enthusiasts and commuters who value character and retro-inspired styling over raw speed. Best known for combining classic Jawa heritage with modern engineering and approachable dynamics.

2026
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General information

Color OptionsBlack/red/grey
CategoryNaked bike

Engine and Transmission Specifications

StartingElectric
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
Bore x Stroke68.0 x 55.2 mm (2.7 x 2.2 inches)
Compression Ratio11.6:1
Max Torque34.0 Nm (3.5 kgf-m or 25.1 ft.lbs) @ 8000 RPM
Capacity:401.0 ccm (24.47 cubic inches)

Physical measures and capacities

Fuel Capacity16.00 litres (4.23 US gallons)
Wheelbase1395 mm (54.9 inches)
Seat Height770 mm (30.3 inches) If adjustable, lowest setting.
Power/Weight Ratio0.2283 HP/kg
Dry Weight185.0 kg (407.9 pounds)
 
 

Jawa 400 Geeny dimensions and frame

Rear BrakesSingle disc
Brake Disc Diameter240 mm (9.4 inches)
Front BrakesSingle disc
Rear Tyre150/60-17
Front Tyre110/70-17
Rear Wheel Travel40 mm (1.6 inches)
Rear SuspensionMonoshock
Front Wheel Travel110 mm (4.3 inches)
Front SuspensionTelescopic fork
 
 

Speed and acceleration

Top Speed138.0 km/h (85.7 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsSmall windscreen.
InstrumentsDigital
Reserve fuel capacity2.00 litres (0.53 US gallons)
Power42.2 HP (30.8 kW)) @ 9500 RPM
Engine typeTwin, four-stroke
Year2025
Motorcycle nameJawa 400 Geeny

Performance Profile & Rider Fit

42.2 hp
Peak Power
6.5s
0-60 mph

Best For

Track30%
City75%
Cornering60%
Daily Riding75%
Touring40%
Passenger45%

Rider Profile

Best ForThis bike suits newer riders or those returning to biking who want a manageable, non-intimidating naked machine.
PurposeIt's built primarily as an everyday commuter and casual around-town naked bike rather than a performance or adventure machine.
Rider FitA moderate seat height and modest 185 kg dry weight make it accessible to riders of average or shorter stature.
CharacterIt has a friendly, approachable personality with modest power delivery and a classic naked-bike look and feel.
Not Ideal ForIt's not the right choice for riders seeking high-speed touring, serious off-road capability, or track-focused performance.

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

Rider Fit Visualizer

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

Feet:

At 770mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2026 Jawa 400 Geeny, with a moderate knee angle of around 115 degrees and a forward-leaning 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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