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MotoLibrary Score
31/100Commuter
Power/Weight
0.03 hp/kg
Top Speed
45 km/h
Engine
49 ccm
Technical Overview
2020 Junak Johnny 108 Technical Analysis & Specification Breakdown
Positioned in Junak's scooter motorcycle lineup, the 2020 Junak Johnny 108 pairs a 49 cc (3 cu in) single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 2.9 HP (2.1 kW).
On the scales, the Johnny 108 measures 83 kg (183 lbs) dry. Rider ergonomics and chassis geometry center around a 780 mm (30.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance. The 5.5-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 45 km/h (28 mph).
Standover Height
780 mm (30.7 in)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power2.9 HP (2.1 kW))
Performance
Top Speed45.0 km/h (28.0 mph)
Wheels & Brakes
Front Tyre100/60-12
Rear Tyre100/60-12
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight83.0 kg (183.0 pounds)
Power/Weight0.0349 HP/kg
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
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.
