Built around Junak's scooter motorcycle platform, the 2020 Junak 609 125 utilizes a 124 cc (7.6 cu in) single cylinder, four-stroke layout. In factory specification, peak output is rated at 8.5 HP (6.2 kW). With a specific output of 68.5 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the 609 125 measures 107 kg (236 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.59 kg per horsepower). Rider ergonomics and chassis geometry center around a 785 mm (30.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance. The 4.6-liter (1.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 90 km/h (56 mph).
Specific Output
68.5 HP/L
Power-to-Weight
0.08 HP/kg (12.59 kg/HP)
Standover Height
785 mm (30.9 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power8.5 HP (6.2 kW))
Performance
Top Speed90.0 km/h (55.9 mph)
Wheels & Brakes
Front Tyre130/60-13
Rear Tyre130/60-13
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight107.0 kg (235.9 pounds)
Power/Weight0.0794 HP/kg
Seat Height785 mm (30.9 inches) If adjustable, lowest setting.
Overall Height1160 mm (45.7 inches)
Overall Length1980 mm (78.0 inches)
Overall Width700 mm (27.6 inches)
Fuel Capacity4.60 litres (1.22 US gallons)
Other
StarterElectric & kick
Color OptionsBlack/Red, Black/Graphite, Black/Green
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
