Derbi Boulevard 125 4T - 2009 Specifications and Reviews

The 2009 Derbi Boulevard 125 4T is a practical automatic scooter designed for commuters and casual urban riders seeking affordable, reliable transportation. Its air-cooled single-cylinder four-stroke engine delivers economical performance with minimal maintenance, while the automatic belt-drive transmission ensures easy, hassle-free operation for riders of all experience levels.

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General information

CategoryScooter
Year2009
ModelDerbi Boulevard 125 4T

Engine and Transmission Specifications

ClutchCentrifugal
Transmission typefinal driveBelt
GearboxAutomatic
Cooling systemAir
Lubrication systemMechanical oil pump
StarterElectric
Fuel systemCarburettor
Bore x stroke57.0 x 48.6 mm (2.2 x 1.9 inches)
Compression11.2:1
Stroke4
Engine typeSingle cylinder
Capacity:124.00 ccm (7.57 cubic inches)

Physical measures and capacities

Wheelbase1,340 mm (52.8 inches)
Overall width735 mm (28.9 inches)
Overall length1,880 mm (74.0 inches)
Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Dry weight115.0 kg (253.5 pounds)
 
 

Derbi Boulevard 125 4T dimensions and frame

Rear brakes diameter140 mm (5.5 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions120/70-12
Front tyre dimensions120/70-12
Rear suspension travel64 mm (2.5 inches)
Rear suspensionSingle shock absorber
Front suspension travel76 mm (3.0 inches)
Front suspension32 mm fork.
Frame typeTube type in steel
 
 

Speed and acceleration

Color optionsBlack, white
Fuel capacity8.00 litres (2.11 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track5%
City85%
Cornering40%
Daily Riding75%
Touring25%
Passenger35%

Rider Profile

Best ForSuits new or returning riders who want simple, low-stakes automatic transportation without dealing with gears.
PurposeBuilt for short urban hops, commuting, and running errands rather than any kind of performance riding.
Rider FitIts light weight and low seat height make it easy to manage for shorter or less physically strong riders.
CharacterA practical, unpretentious city scooter that prioritizes convenience and ease of use over excitement.
Not Ideal ForNot suitable for riders wanting highway touring, spirited cornering, or any off-road capability.

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

Rider Fit Visualizer

2009 Derbi Boulevard 125 4T Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Derbi Boulevard 125 4T, 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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