Yamaha WR 125R - 2010 Specifications and Reviews

The 2010 Yamaha WR 125R is a lightweight enduro bike designed for novice off-road riders and commuters seeking affordable trail capability. Its modest 124cc single-cylinder engine delivers modest power suitable for learning dirt bike fundamentals without overwhelming inexperienced riders. Known for reliability, fuel efficiency, and easy maintenance, it remains an ideal entry-level machine for recreational trail riding.

2010
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General information

CategoryEnduro / offroad
Year2010
ModelYamaha WR 125R
 
 

Engine and Transmission Specifications

ClutchWet, multiple disc
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemWet sump
IgnitionCDI
Fuel controlSOHC
Fuel systemCarburettor
Bore x stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression10.0:1
Torque10.10 Nm (1.0 kgf-m or 7.4 ft.lbs) @ 5500
Power9.79
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter245 mm (9.6 inches)
Front brakesSingle disc
Rear tyre dimensions120/80-S18
Front tyre dimensions90/90-S21
Rear suspension travel190 mm (7.5 inches)
Rear suspensionSwingarm
Front suspension travel170 mm (6.7 inches)
Front suspensionTelescopic forks
Trail114 mm (4.5 inches)
Frame typeDiamond shaped

Physical measures and capacities

Oil capacity1.20 litres (0.08 quarts)
Fuel capacity9.00 litres (2.38 gallons)
Wheelbase1,335 mm (52.6 inches)
Ground clearance220 mm (8.7 inches)
Overall width800 mm (31.5 inches)
Overall length2,110 mm (83.1 inches)
Overall height1,140 mm (44.9 inches)
Seat height860 mm (33.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc120.0 kg (264.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRacing blue, Yamaha black
StarterElectric & kick

Performance Profile & Rider Fit

9.8 hp
Peak Power

Best For

Track15%
City65%
Cornering55%
Daily Riding45%
Touring20%
Passenger15%

Rider Profile

Best ForWell suited to beginner and intermediate riders thanks to its light weight and gentle power delivery, though its tall seat height and offroad-biased stance reward some prior riding confidence.
PurposeBuilt as a lightweight enduro for trail exploration, technical offroad riding, and nimble urban commuting rather than outright speed.
Rider FitIts very low 120 kg weight makes it easy to manhandle at low speed and pick up if dropped, though the 860 mm seat height demands reasonably long legs for flat-footing.
CharacterA playful, high-revving single-cylinder trail bike that feels eager and flickable rather than powerful, rewarding a rider who enjoys momentum-based riding.
Not Ideal ForNot the right choice for riders wanting sustained highway speeds, long-distance touring comfort, or carrying a passenger any real distance.

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

Rider Fit Visualizer

2010 Yamaha WR 125R Rider Ergonomics Assessment

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

Feet:

At 860mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2010 Yamaha WR 125R, with a cramped knee angle of around 75 degrees and an upright 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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