These are the known mechanical and performance specifications for your 2017 Yamaha MT-125.
Basic Specs

Engine
Displacement124.70 ccm (7.61 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression11.2:1
Bore/Stroke52.0 x 58.6 mm (2.0 x 2.3 inches)
Valves/Cylinder4
FuelingInjection
IgnitionTCI
Exhaust
LubricationWet sump
CoolingLiquid
Drivetrain
Gearbox6-speed
Final DriveChain
ClutchWet, multiple-disc coil spring
Driveline
Performance
Horespower15.00 HP (10.9 kW)
Torque12.40 Nm (1.3 kgf-m or 9.1 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption2.13 litres/100 km (46.9 km/l or 110.43 mpg)
Fuel Capacity11.50 litres (3.04 gallons)
Emissions49.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel Deltabox
Rake25.0°
Trail89 mm (3.5 inches)
Front SuspensionUpside-down telescopic fork, 41 mm
Front Travel137 mm (5.4 inches)
Rear SuspensionLinked monoshock with spring preload adjustment
Rear Travel130 mm (5.1 inches)
Seat
Seat Height810 mm (31.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,040 mm (40.9 inches)
Total Length1,955 mm (77.0 inches)
Total Width740 mm (29.1 inches)
Ground Clearance140 mm (5.5 inches)
Wheelbase1,355 mm (53.3 inches)
Dry Weight
Wet Weight138.0 kg (304.2 pounds)
Wheels & Brakes
Front Tire/Tyre100/80-M17
Rear Tire/Tyre130/70-M17
Front BrakesSingle disc. Optional ABS.
Front Brake Diameter292 mm (11.5 inches)
Rear BrakesSingle disc. Optional ABS.
Rear Brake Diameter230 mm (9.1 inches)
WheelsY-spoke wheels
Comments
ABS adds 2 kg.