Yamaha TT-R125E - 2012 Specifications and Reviews

The 2012 Yamaha TT-R125E is a lightweight enduro bike ideal for beginner and intermediate off-road riders. Its air-cooled single-cylinder engine delivers accessible performance for trail riding and general dirt bike duties. Known for its reliability, affordability, and user-friendly handling, the TT-R125E remains a popular choice for learning proper riding techniques.

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General information

CategoryEnduro / offroad
Year2012
ModelYamaha TT-R125E

Engine and Transmission Specifications

DrivelineConstant-mesh 5-speed
ClutchWet, multidisc
Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
Lubrication systemWet, multidisc
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 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 diameter110 mm (4.3 inches)
Front brakesExpanding brake (drum brake)
Rear tyre dimensions90/100-14
Front tyre dimensions70/100-17
Rear suspension travel160 mm (6.3 inches)
Rear suspensionSingle shock
Front suspension travel180 mm (7.1 inches)
Front suspensionTelescopic fork
 
 

Physical measures and capacities

Fuel capacity6.06 litres (1.60 gallons)
Wheelbase1,250 mm (49.2 inches)
Overall width785 mm (30.9 inches)
Overall length1,844 mm (72.6 inches)
Overall height1,059 mm (41.7 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 optionsTeam Yamaha Blue/White
Factory warranty90 Days
StarterElectric

Performance Profile & Rider Fit

Best For

Track10%
City20%
Cornering30%
Daily Riding15%
Touring8%
Passenger5%

Rider Profile

Best ForThis is a beginner-friendly small-bore trail bike, ideal for young or novice riders learning off-road basics rather than experienced riders seeking performance.
PurposeBuilt as a lightweight recreational and learner enduro machine for trails, dirt paths, and light off-road exploration rather than speed or long-distance travel.
Rider FitIts low seat height and very light weight make it extremely accessible for smaller or less experienced riders to handle and pick up.
CharacterA simple, forgiving, low-stress small-displacement trail bike with modest power delivery and easygoing manners.
Not Ideal ForIt is not suitable for highway use, adult touring, passenger carrying, or riders seeking speed and long-distance comfort.

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

Rider Fit Visualizer

2012 Yamaha TT-R125E Rider Ergonomics Assessment

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

Feet:

At 775mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2012 Yamaha TT-R125E, 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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