Yamaha YZ125 Top Speed, Specs, Price, Seat Height, & Weight

Fortunate to grow up in a racer family, I know my way around bike choices, so I knew what to get my son for his birthday. The Yamaha YZ125 is a perfect way to usher the young rider into the motor-racing world.

As an improved 2022 version, there’s so much difference in the YZ125. At first look, the sleek and modern look captures your attention. The new cockpit is engineered to give the rider maximum control to move around more easily.

Plus, the fuel tank is narrower, the seat is flatter, and the shrouds are much slimmer. Even though it took Yamaha 15 years for this remodel, I’m sold! But there’s more to the new YZ125.

After taking it for a ride, this is what I discovered;

Yamaha YZ125 Top Speed, Review, Price, Seat Height, & Weight

Yamaha YZ125 Review

Yamaha YZ125 Top Speed: 70mph(113 Km)

Yamaha YZ125 seat height seat: 1,000 mm (39.3 in)

The updated 2022 Yamaha YZ125 model comes packed with a host of upgrades. It has a fully remodeled 125cc liquid-cooled two-stroke engine which delivers better top-end power. The suspension setup is also reformed to offer enhanced riding ergonomics. YZ125 also boasts of a unique YZ styling in blue color.

Let’s go deeper;

Ergonomics

Even though the ergonomics of this new YZ125 2022 model feel similar to the other brands, there’s a notable difference.

With a similar frame and swingarm, taking laps with YZ125 makes you feel different. Every part of the frame brings out a fantastic feeling that connects the rider to the bike. Yamaha YZ125 is specifically designed to cater to the needs of taller riders in every ride.

Additional Features

Yamaha YZ125 has a durable aluminum handlebar, wide footpegs with rubber grip, adjustable clutch lever, 2-position handlebar clamp, wide footpegs, gripper seat, and a works-style cable adjuster. The YZ125 comes ready to race immediately after unboxing.

Price and Competition

Its price doesn’t include shipping charges if you live outside the US. Still, it comes in a Monster Energy Racing Edition that may cost a little more than the bike.

Its top competitors include Honda CRF150R, Kawasaki KX125, KTM 125 SX, and Husqvarna TC 125.

Yamaha YZ125 Key Specifications

Price$ 6,899
Engine1-cylinder, 2-stroke
Displacement125cc
Transmission6-Speed
Power33.53 hp
Seat Height38.6 inches
Curb Weight207 lb
Fuel Tank Capacity1.8 gallon

Top Features

  • Lightweight aluminum semi-double-cradle frame
  • Removable aluminum rear subframe
  • 48 mm Speed sensitive KYB inverted front forks
  • Fully adjustable KYB rear shock absorber
  • Full lock oil rebound system
  • Aluminum handlebar with adjustable clamp
  • Adjustable clutch lever
  • Front and rear disc brakes with redesigned rotors
  • Race-ready Bridgestone Battlecross X20 tires
  • Reed-valve inducted 2-stroke engine
  • Liquid cooling
  • Updated air-intake design
  • Yamaha power valve system
  • Close-ratio 6-speed transmission
  • Hitachi Astemo Keihin PWK38S carburetor
  • 3D map-controlled CDI unit

Yamaha YZ125 Specifications

Engine & Transmission

Engine Type2-stroke, Single-Cylinder, SOHC, Reed Valve
Engine Displacement125 cc
No. of Cylinders1
Fuel TypePetrol
Fuel SupplyMikuni Fuel Injection
Cooling SystemLiquid Cooling
Bore54 mm
Stroke54.5 mm
Compression Ratio8.6-10.7:1
Valves Per Cylinder2
StartingKick
IgnitionCDI
Transmission6-Speed, Close Ratio Gearbox
ClutchWet Type
Final DriveChain

Top Speed Performance, & Mileage

PowerNot Available
TorqueNot Available
Top SpeedThe Yamaha YZ125 top speed is 70 mph (est)
Mileage26-28 km/l

Chassis & Suspension

Body TypeMotocross
ChassisAluminum Frame
Front SuspensionKYB Speed-Sensitive System Inverted Forks
Rear SuspensionKYB Fully Adjustable Single-Shock
Front Wheel Travel11.8 Inch
Rear Wheel Travel12.4 Inch

Brakes, Wheels, & Tires

Front BrakeSingle Hydraulic Disc
Rear BrakeSingle Hydraulic Disc
Front Brake Diameter270 mm
Rear Brake Diameter245 mm
ABSNo
Front Wheel21 Inch Spoke Rims
Rear Wheel19 Inch Spoke Rims
Tire TypeTubed
Front Tire Size80/100-21 Dunlop® MX52
Rear Tire Size100/90-19 Dunlop® MX52

Dimension & Capacity

Wheelbase56.8 in (1442 mm)
Length84.1 in (2136 mm)
Width32.6 in (828 mm)
Height51.0 in (1295 mm)
Seat Height39.3 in (1000 mm)
Ground Clearance14.4 in (365 mm)
Curb Weight207 lb
Fuel Tank Capacity2.1 gal
Seating Capacity1

Electricals & Lighting

Battery TypeMF
Battery Capacity12V
HeadlightNo
Pilot LightsNo
TaillightsNo
Turn SignalsNo
Pass LightNo

Instrument Console & Speedometer

Console TypeNo Instrument Console
SpeedometerNo
TachometerNo
OdometerNo
Trip MeterNo
No. of Trip MetersNo
Fuel GaugeNo
Gear Shift LightNo
Gear Position IndicatorNo
Low Fuel IndicatorNo
Engine Temperature IndicatorNo
Service IndicatorNo

Other Features

Electric StarterYes
Engine kill SwitchNo
Stand AlarmNo
Stepped SeatNo
Pillion SeatNo
Pillion GrabrailsNo
Pillion FootrestNo
Underseat StorageNo
Additional Features30 Day Warranty

See also:

Conclusion

After the first ride with Yamaha YZ125 and reading several reviews, I can confidently say that I had a blast and that this model is a significant jump forward.

The new 2020 Yamaha YZ125 comes with a lot of impressive upgrades. The liquid-cooled 2-stroke engine offers a powerful and solid performance for an extended period. YZ125 also has rigid but smooth acceleration, competing with mid and high-end models.

The suspension on YZ125 is also top-quality, delivering world-class handling. Generally, the Yamaha YZ125 is among the top bikes in the 125cc segment.

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