2020 Honda Super Cub C125 Technical Analysis & Specification Breakdown
At the heart of the 2020 Honda Super Cub C125 scooter motorcycle, Honda utilizes a 124.9 cc (7.6 cu in) air-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a bore and stroke of 52.4 x 57.9 mm (2.1 x 2.3 inches) with a 9.3:1 compression ratio.
On the scales, the Super Cub C125 measures 108.9 kg (240 lbs) wet (curb). 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, combined with a 1,225 mm (48.2 in) wheelbase engineered for quick, flickable steering geometry. The 3.79-liter (1 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Honda archive, this model family spans 4 indexed model years from 2020 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
780 mm (30.7 in)
Engine
Displacement124.9 ccm (7.62 cubic inches)
Engine TypeSingle cylinder, four-stroke
Compression9.3:1
Bore x Stroke52.4 x 57.9 mm (2.1 x 2.3 inches)
Valves/Cylinder2
Fuel SystemInjection. PGM-FI with automatic enrichment
Fuel ControlSingle Overhead Cams (SOHC)
CoolingAir
Transmission
Gearbox4-speed
Final DriveBelt (final drive)
ClutchAutomatic CVT
Chassis
Frame TypeBackbone
Rake26.5°
Trail71 mm (2.8 inches)
Front Suspension26mm telescopic fork
Front Travel89 mm (3.5 inches)
Rear SuspensionTwin shock
Rear Travel91 mm (3.6 inches)
Wheelbase1225 mm (48.2 inches)
Ground Clearance135 mm (5.3 inches)
Wheels & Brakes
Front Tyre70/90-17
Rear Tyre80/90-17
Front BrakesSingle disc. ABS
Front Brake Ø220 mm (8.7 inches)
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Weight incl.108.9 kg (240.0 pounds)
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.