At the heart of the 2011 Yamaha Zuma scooter motorcycle, Yamaha pairs a 49 cc (3 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 40.0 x 39.2 mm (1.6 x 1.5 inches) with a 7.0:1 compression ratio.
Within MotoLibrary's Yamaha archive, this model family spans 6 indexed model years from 2004 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsReed-valve induction
Compression7.0:1
Bore x Stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Fuel SystemCarburettor. 14mm Teikei
IgnitionDC CDI
LubricationAutolube Oil Injection System
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
ClutchDry centrifugal automatic clutch
DrivelineV-belt
Performance
Emission DetailsUpswept muffler incorporates exhaust catalyst technology to reduce air pollution and meet emission regulations.
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.
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.