Yamaha Cygnus X - 2015 Specifications and Reviews

The 2015 Yamaha Cygnus X is a lightweight maxi-scooter designed for practical daily commuting and urban riding. Its 120kg frame, automatic transmission, and generous storage capacity make it ideal for riders seeking convenience and fuel efficiency. Known for nimble handling and reliable performance, the Cygnus X excels in city traffic while offering comfortable seating for two riders.

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General information

CategoryScooter
Year2015
ModelYamaha Cygnus X

Engine and Transmission Specifications

DrivelineV-Belt Automatic
Transmission type,final driveBelt
GearboxAutomatic
Cooling systemAir
Lubrication systemWet sump
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection
Bore x Stroke52.4 x 57.9 mm (2.1 x 2.3 inches)
Compression10.0:1
Torque9.30 Nm (0.9 kgf-m or 6.9 ft.lbs) @ 7500 RPM
Power10.73 HP (7.8 kW) @ 8500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:125.00 ccm (7.63 cubic inches)
 
 

Brakes, suspension, Frame and wheels

SeatContoured dual seat
Rear brakes diameter150 mm (5.9 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter216 mm (8.5 inches)
Front brakesSingle disc
Rear tyre120/70-12
Front tyre110/70-12
Rear wheel travel96 mm (3.8 inches)
Rear SuspensionUnit swing
Front wheel travel78 mm (3.1 inches)
Front SuspensionTelescopic fork
 
 

Physical measures and capacities

Fuel capacity7.10 litres (1.88 gallons)
Wheelbase1,295 mm (51.0 inches)
Ground clearance113 mm (4.4 inches)
Overall width685 mm (27.0 inches)
Overall length1,855 mm (73.0 inches)
Overall height1,150 mm (45.3 inches)
Seat height785 mm (30.9 inches) If adjustable, lowest setting.
Power/weight ratio0.0958 HP/kg
Weight incl. oil, gas, etc120.0 kg (264.6 pounds)
Dry weight112.0 kg (246.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Carrying capacityFull-size helmet storage under the dual seat. Glovebox in the knee-panel
StarterElectric & kick

Performance Profile & Rider Fit

10.7 hp
Peak Power

Best For

Track5%
City90%
Cornering45%
Daily Riding88%
Touring25%
Passenger45%

Rider Profile

Best ForIdeal for beginners or anyone wanting a simple, no-fuss twist-and-go ride with no gear shifting to worry about.
PurposeBuilt primarily for commuting and short urban trips rather than performance or adventure riding.
Rider FitVery light and low seat height make it accessible and easy to handle for riders of almost any size or strength.
CharacterA practical, economical little scooter that prioritizes convenience, storage space, and easy maneuverability over excitement.
Not Ideal ForNot suitable for highway touring, passenger comfort on long rides, or riders seeking real straight-line performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2015 Yamaha Cygnus X Rider Ergonomics Assessment

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Feet:

At 785mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2015 Yamaha Cygnus X, with a moderate knee angle of around 100 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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