Engineered by Yamaha for the scooter motorcycle segment, the 2021 Yamaha Zuma 125 pairs a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 52.4 x 57.9 mm (2.1 x 2.3 inches) with a 10.0:1 compression ratio.
On the scales, the Zuma 125 measures 118.8 kg (262 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 1,306 mm (51.4 in) wheelbase engineered for quick, flickable steering geometry. The 6.43-liter (1.7 US gal) fuel tank paired with a rated consumption of 2.28 L/100 km provides an estimated theoretical range of roughly 282 km (175 miles) between fill-ups.
Within MotoLibrary's Yamaha archive, this model family spans 17 indexed model years from 2009 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Theoretical Range
~282 km (175 mi)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Compression10.0:1
Bore x Stroke52.4 x 57.9 mm (2.1 x 2.3 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlSingle Overhead Cams (SOHC)
IgnitionDigital TCI
LubricationWet sump
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineV-belt
Performance
Fuel Consumption2.28 litres/100 km (43.9 km/l or 103.17 mpg)
Greenhouse Gases52.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeLarge-gauge steel tube
Rake27.0°
Trail94 mm (3.7 inches)
Front SuspensionTelescopic forks
Rear SuspensionDual shocks
Wheelbase1306 mm (51.4 inches)
Ground Clearance124 mm (4.9 inches)
Wheels & Brakes
Front Tyre120/70-12
Rear Tyre130/70-12
Front BrakesSingle disc. Hydraulic.
Front Brake Ø245 mm (9.6 inches)
Rear BrakesSingle disc. Hydraulic.
Rear Brake Ø200 mm (7.9 inches)
WheelsCast aluminium
Dimensions & Weight
Weight incl.118.8 kg (262.0 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.
