Yamaha TT-R125 - 2012 Specifications and Reviews

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General information

CategoryEnduro / offroad
ModelYamaha TT-R125
Year2012

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionCDI
Fuel controlSOHC
Fuel systemCarburettor. Mikuni VM20
Valves per cylinder2
Bore x stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression10.0:1
Engine detailsInternal engine counterbalancer reduces vibration
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter220 mm (8.7 inches)
Front brakesSingle disc
Rear tyre dimensions90/100-14
Front tyre dimensions70/100-17
Rear suspension travel160 mm (6.3 inches)
Rear suspensionMonocross link, single shock
Front suspension travel180 mm (7.1 inches)
Front suspension31mm Showa fork
Frame typeRigid steel frame. aluminum box-section swingarm with snail-type chain adjusters.
 
 

Physical measures and capacities

Fuel capacity6.06 litres (1.60 gallons)
Wheelbase1,270 mm (50.0 inches)
Ground clearance265 mm (10.4 inches)
Overall width795 mm (31.3 inches)
Overall length1,885 mm (74.2 inches)
Overall height1,085 mm (42.7 inches)
Seat height775 mm (30.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc89.8 kg (198.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlue/White
Factory warranty90 Day (Limited Factory Warranty)
StarterElectric

Performance Profile & Rider Fit

Best For

Track10%
City25%
Cornering45%
Daily Riding20%
Touring10%
Passenger5%

Rider Profile

Best ForThis is a beginner-friendly machine, ideal for young riders or newcomers learning off-road basics.
PurposeBuilt as a light trail and recreational off-road bike for casual dirt riding rather than speed or long distances.
Rider FitIts low seat height and very light wet weight make it easy to manage for smaller or less experienced riders.
CharacterA simple, forgiving, low-stress little trail bike that rewards smooth, easygoing riding over aggression.
Not Ideal ForNot suitable for highway travel, two-up touring, or riders seeking strong power and high-speed performance.

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

Rider Fit Visualizer

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

Feet:

At 775mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2012 Yamaha TT-R125, with a cramped knee angle of around 65 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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