Yamaha YBR 125 - 2005 Specifications and Reviews

The 2005 Yamaha YBR 125 is an entry-level naked bike designed for new riders and commuters seeking affordable, reliable transportation. Its lightweight single-cylinder engine delivers modest but adequate power for city riding and highways, while the five-speed gearbox and fuel-efficient carbureted engine make it economical to own and operate. Known for its simplicity, durability and beginner-friendly handling, the YBR 125 became a popular choice for first-time motorcycle buyers worldwide.

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General information

CategoryNaked bike
Year2005
ModelYamaha YBR 125
 
 

Engine and Transmission Specifications

Greenhouse gases58.0 CO
Fuel consumption2.50 litres/100 km (40.0 km/l or 94.09 mpg)
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionElectronic
Fuel controlSOHC
Fuel systemCarburettor. Mikuni VM22SH/1
Bore x stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression10.0:1
Top speed100.0 km/h (62.1 mph)
Torque10.00 Nm (1.0 kgf-m or 7.4 ft.lbs) @ 6
Power10.00
Engine typeSingle cylinder, four-stroke
Capacity:125.00 ccm (7.63 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter130 mm (5.1 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter245 mm (9.6 inches)
Front brakesSingle disc
Rear tyre dimensions90/90-18M/C 57P
Front tyre dimensions2.75-18 42P

Physical measures and capacities

Fuel capacity12.00 litres (3.17 gallons)
Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Power/weight ratio0.0943 HP/kg
Dry weight106.0 kg (233.7 pounds)

Other specs

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

Performance Profile & Rider Fit

10.1 hp
Peak Power
62.1 mph
Top Speed

Best For

Track10%
City88%
Cornering45%
Daily Riding82%
Touring28%
Passenger35%

Rider Profile

Best ForThis is an ideal machine for beginners or new riders still building confidence and basic skills.
PurposeBuilt primarily as an economical, low-maintenance commuter for city streets and light urban errands.
Rider FitIts low seat height and light weight make it very manageable for shorter or less physically strong riders.
CharacterA friendly, unintimidating small-displacement naked bike that prioritizes simplicity and approachability over performance.
Not Ideal ForThis bike is not suited to highway touring, high-speed riding, carrying a passenger long distances, or any off-road use.

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

Rider Fit Visualizer

2005 Yamaha YBR 125 Rider Ergonomics Assessment

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Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2005 Yamaha YBR 125, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). 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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