These are the known mechanical and performance specifications for your 2017 Yamaha YZ125.
Basic Specs
Engine
Displacement124.00 ccm (7.57 cubic inches)
TypeReed-valve-inducted
DetailsSingle cylinder, two-stroke
Max RPM
Compression10.7:1
Bore/Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingCarburettor. Mikuni TMX 38
IgnitionCDI
Exhaust
LubricationPremix
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.00 litres (2.11 gallons)
Emissions
Chassis
Frame TypeSemi-double cradle aluminium frame
Rake26.0°
Trail109 mm (4.3 inches)
Front SuspensionSpeed-sensitive system inverted fork
Front Travel300 mm (11.8 inches)
Rear SuspensionFully adjustable single shock
Rear Travel315 mm (12.4 inches)
Seat
Seat Height975 mm (38.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,295 mm (51.0 inches)
Total Length2,136 mm (84.1 inches)
Total Width828 mm (32.6 inches)
Ground Clearance366 mm (14.4 inches)
Wheelbase1,443 mm (56.8 inches)
Dry Weight
Wet Weight94.8 kg (209.0 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre100/90-19
Front BrakesSingle disc. Hydraulic.
Front Brake Diameter250 mm (9.8 inches)
Rear BrakesSingle disc. Hydraulic.
Rear Brake Diameter245 mm (9.6 inches)
Wheels
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