Yamaha YZ125

2021 Yamaha YZ125 Specs, Top Speed, Weight, & Price

The Yamaha YZ125 has been updated for the new year with a brand new paint scheme and graphics. The price of the latest model of this motocrosser is $ 6,599. It comes in a Yamaha blue paint scheme with golden coloured front forks. The YZ125 runs on a two-stroke engine with a 6-speed gearbox.

Yamaha YZ125 Top Speed, Specifications, Price & Review


Yamaha YZ125 Key Specifications

Price$ 6,599
Engine 125cc
Transmission 6-Speed
Power– –
Mileage 28-30 km/l
Curb Weight207 lb
Emission TypeNot Applicable


  • Lightweight Aluminium Frame
  • Removable Aluminium Rear Subframe
  • Speed-Sensitive System KYB 41 mm Inverted Forks
  • Fully Adjustable KYB Rear Suspension
  • Compact Two-Stroke Engine
  • 6-Speed Close Ration Transmission
  • Digital CDI Ignition System
  • High Capacity Radiator
  • Yamaha Power Valve System
  • Race Developed Intake

Yamaha YZ125 Review

The YZ125 comes with a 125cc two-stroke engine that uses a liquid cooling system. It uses a reed valve induction system that allows it to deliver great performance. The Yamaha power valve system helps it in achieving hard-hitting bottom-end acceleration and strong mid-range. The Yamaha YZ125 top speed is nearly 70 mph that also gives it an excellent top-end grunt.

YZ125 top speed

This motocrosser comes with a fully adjustable suspension at both ends. The YZ125 gets a KYB USD fork that offers wheel travel of 1.8 inches and at the rear, it gets a KYB single shock that offers wheel travel of 12.2 inches. It is fitted with a 2270 mm disc brake on the front wheel and a 245 mm disc brake on the rear wheel. The Yamaha YZ125 weight is 207 lb and it comes with a 30-day warranty.

Yamaha YZ125 Price & Competitors

The price of Yamaha YZ125 latest model in the united states is $ 6,599 excluding the destination charges. It competes with the likes of KTM 125 SX, Kawasaki KX125, and Honda CRF125. The major competitors of this two-stroke beast are KTM 125 SX and Husqvarna TC 125.

Realted Bikes

KTM 250 SXHonda XR650L

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
Bore 54 mm
Stroke54.5 mm
Compression Ratio8.6-10.7:1
Valves Per Cylinder2
Starting Kick
Ignition CDI
Transmission 6-Speed, Close Ratio Gearbox
ClutchWet Type
Final DriveChain

Top Speed Performance, & Mileage

Power Not Available
TorqueNot Available
Top SpeedThe Yamaha YZ125 top speed is 70 mph (est)
Mileage26-28 km/l

Chassis & Suspension

Body TypeMotocross
ChassisAluminium Frame
Front SuspensionKYB Speed-Sensitive System Inverted Forks
Rear Suspension KYB 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
Front Wheel21 Inch Spoke Rims
Rear Wheel19 Inch Spoke Rims
Tire TypeTubed
Front Tire Size80/100-21 DunlopĀ® MX52
Rear Tire Size100/90-19 DunlopĀ® MX52

Dimension & Capacity

Wheelbase 56..8 in
Length 84.1 in
Width32.6 in
Height51.0 in
Seat Height 38.4 in
Ground Clearance14.4 in
Curb Weight207 lb
Fuel Tank Capacity2.1 gal
Seating Capacity1

Electricals & Lighting

Battery TypeMF
Battery Capacity12V
Pilot LightsNo
Taillights No
Turn Signals No
Pass LightNo

Instrument Console & Speedometer

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

Other Features

Electric StarterYes
Engine kill SwitchNo
Stand Alarm No
Stepped SeatNo
Pillion SeatNo
Pillion GrabrailsNo
Pillion Footrest No
Underseat StorageNo
Additional Features30 Day Warranty

Yamaha YZ125 Final Verdict

The YZ125 comes with a lightweight and compact design. Its two-stroke engine is a complete workhorse and it delivers great performance in the low, mid, and top end of the rev band. It features premium quality suspension and hardware parts that boost its performance. The Yamaha YZ125 is one of the best motocrossers in its segment.

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