2025 Yamaha YZ125
WA • Dealer new bike in stock
15
CategoryMotocross 2 Stroke
Engine Size125cc 2 stroke
Comments from the dealer
More powerful, more capable, more advanced. Offering the ideal blend of performance, reliability and usability to develop the skills to win.
More powerful, capable and advanced, this two-stroke evolution from the iconic YZ heritage is the perfect choice for riders stepping up from the 85cc class. Offering the ideal blend of performance, reliability, and usability, the competition-ready YZ125 develops the skills you need to win.
NOW $10,549 WAS $12,049
WHAT ARE YOU WAITING FOR ? MAKE TODAY THE DAY !!! Affording your motorcycle has never been easier. One of our friendly trained staff can tailor your Finance and Insurance requirements to suit your needs. Australia wide freight no problem's- ask us for a quote today.
DL15186
The choice of future champions.
Right now the YZ125 is the bike of choice for future champions. The YZ125’s super slim bodywork, agile high specification chassis and at seat allow you to shift weight quickly for total control – and with Yamaha’s most powerful 125cc production engine, high eficiency braking system and state-of-the-art suspension, this bike is destined for the victorYZone!
When you’re aiming for the top you need the right bike that can deliver the performance you need to show you’re a winner. The YZ125’s engine features a YPVS for increased usability over a wider rpm range – and with its Keihin powerjet carburetor and slick shifting 6-speed transmission, the best-ever YZ125 gives tomorrow’s professional riders the winning performance they need to make their name.
And if you’re really serious about making it to the top, Yamaha’s highly successful YZ bLU cRU FIM Europe Cup program is the way to go. It’s where tomorrow’s stars get a chance to qualify for the bLU cRU Europe Cup SuperFinale, and it’s the place where winning riders can take their first steps towards a professional career
Yamaha has been building 2-stroke motocross bikes for the past 50 years – and has been an equally long racing history. It is this unrivalled experience that has enabled the company to develop the latest YZ125 – a bike that is built to take you into the victorYZone!
Featuring lightweight race-bred engine internals and bene tting from Yamaha’s famous torque-boosting YPVS (Yamaha Power Valve System), the YZ125 develops hard-hitting power that keeps you way out front.
The high-e ciency air intake ensures optimum performance and instant throttle response – and the slick shifting close-ratio 6-speed transmission helps you to shave precious seconds o your lap times.
Its sharp looking ultra slim bodywork gives you a high degree of controllability on the ground and in the air – and the at seat and race-developed ergonomics allow you to move easily around the bike when braking and accelerating hard. The YZ125 is in it to win it – now just add your ability and prepare to enter the victorYZone!
2025 Yamaha YZ125 Key Features
Liquid-cooled Yamaha Power Valve System (YPVS)-equipped 125cc two-stroke engine
Throttle position sensor and 3D-map-controlled CDI unit resulting in crisp throttle response and superior rideability
Straight intake design improves feeling of power in the low rpm range
High performance front and rear brake setup offers exceptional braking power and feel, while reducing unsprung weight
Ergonomically designed with a flat seat, narrow fuel tank, smoothly integrated body panels and slim shroud width to enable greater freedom of movement forward and back.
2025 Yamaha YZ125 Features and Benefits
TOP FEATURES
Powerful Two-Stroke YZ125 Engine
Yamaha’s advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.
Class-Leading KYB® Suspension
The YZ125’s renowned suspension performance offers unmatched levels of control, capability and comfort by way of the fully adjustable 48mm inverted KYB® front fork, including a leaf spring in the mid-speed valve for more precise damping, and the fully adjustable KYB® rear shock featuring reduced-friction Kashima Coat™ internals. It all adds up to class-defining suspension and handling characteristics.
Rider-Friendly Chassis
Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue" the ideal platform for advancing skills and gaining confidence.
High Performance Braking System
High performance front and rear brake setup offers exceptional braking power and feel.
Confidence-Inspiring Ergonomics
A carefully considered ergonomic design includes a flatter seat, narrow fuel tank, smoothly integrated body panels and slim shroud width to enable greater freedom of movement forward and back, allowing the rider to easily shift body weight for increased control and confidence.
Aggressive YZ Styling
Aggressive bodywork including slim body panels and blacked-out radiator shrouds integrate with a bold graphics scheme to highlight the YZ’s unmatched racing pedigree. Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
Perfect for Aspiring Motocrossers
A pure motocross machine, the light, nimble, competition-ready YZ125 is the perfect choice for riders stepping up from the 85cc class.
ENGINE
Powerful Two-Stroke YZ125 Engine
Yamaha’s advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.
Yamaha Power Valve System
Patented Yamaha Power Valve System (YPVS™) combines crisp, hard-hitting bottom-end acceleration with strong mid-range and top-end.
Precise Fueling & Ignition Timing
High-precision Hitachi Astemo® Keihin PWK38S carburetor features a power jet, throttle position sensor and 3D-map-controlled CDI unit for precise ignition timing. The result is clean, crisp throttle response, superior rideability and excellent over-rev character.
Close-Ratio Transmission
Close-ratio six-speed transmission has wider transmission gear tooth width and optimized gear ratios for maximum performance.
Digital Ignition
Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for faster, stronger response during hard acceleration.
High-Capacity Radiator
High-capacity radiator with dark louvers deliver maximum cooling efficiency and an aggressive look.
CHASSIS/SUSPENSION
Lightweight Frame
Race-proven, highly developed aluminum semi-double cradle frame is engineered to provide just the right amount of strength and flex for the perfect balance of stability and cornering performance. Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Rider-Friendly Chassis
Lightweight finely tuned chassis means nimble handling, more control and less rider fatigue""the ideal platform for advancing skills and gaining confidence.
Industry-Leading KYB® Fork
The Speed Sensitive System 48mm inverted KYB® fork includes a leaf spring in the mid-speed valve for more precise damping and increased performance and comfort, while offering up 11.8 inches of travel.
Advanced KYB® Shock
Fully adjustable KYB® rear shock features reduced-friction Kashima Coat™ internals, separate adjusters for high- and low-speed compression damping, a full lock oil rebound system for increased comfort, and 12.4 inches of travel. It all adds up to fantastic rear wheel control and class-leading capability.
High Performance Braking System
The high performance braking system features a 270mm front rotor, 240mm rear rotor, large front pistons and rigid calipers, all combining to provide exceptional braking power and feel.
Race-Ready Tires
Premium Bridgestone® Battlecross X20 tires offer strong cornering grip and race-developed performance.
Bike details
øNetwork Id
OAG-AD-25520540
Bike
Motocross Manual 6sp 125cc (Race kit)
Body
Motocross 2 Stroke
Colour
Blue
Engine Capacity
125 cc
Configuration
124cc, 2-stroke, Liquid cooled, Reed valve, 1-cyl
Country of Origin
JAPAN
Stock Number
018754
Details
Bike Type
Motocross
Series
YZ
Model Code
YZ125
LAMS Approved
False
Colours
Team Yamaha Blue
Ride Away Price
True
OEM Ride Away Price
12049
Country of Origin
JAPAN
Grey Import
False
Is Limited Edition
False
Engine
Engine Description
125
Engine Config
Vertical
Engine Capacity
125cc
Engine Type
Piston
Engine Stroke
2
Bore
54.0mm
Stroke
54.5mm
Cam Type
Power Valve
Cylinders
1
Compression Ratio
8.2-10.1:1
Induction System
Aspirated
Carburettor(s)
1
Carburettor
Keihin PWK 38S; TPS (Throttle position sensor)
Throttle Bore
38mm
Cooling
Liquid
Lubrication
Premix (2-stroke oil & petrol)
Oil Capacity
0.7L
Exhaust Config
1 Into 1
Exhaust Description
Black
Start
Ignition
CDI (Capacitive Discharge Ignition)
Starter
Kick
Electrics
Engine Voltage
12Volt
Charging Method
Alternator & Regulator-Rectifier
Fuel & Emissions
Fuel Type
Petrol
Recommended RON
91
Fuel Tank Capacity
7.0L
Fuel Reserve Capacity
1.00L
Transmission
Transmission Description
Close ratio; Constant mesh
Drive Type
Chain
Gear Type
Manual
Gear Number
6
Gear Change Method
Left foot lever
Clutch Type
Wet; Multi-disc; Coil spring
Chassis & Suspension
Frame Material
Aluminium
Frame Design
Semi-double cradle
Handlebar Description
ProTaper aluminium
Side Stand
Not Available
Front Suspension
KYB speed sensitive upside down telescopic fork;
Front Suspension Travel
300.0mm
Rear Suspension
Swingarm; KYB link-type shock absorber
Rear Suspension Travel
315.0mm
Fork Diameter
48.0mm
Swingarm Type
Dual Sided
Swingarm Description
Aluminium
Steering Damper
Not Available
Brakes
Front Brake Description
Single disc; Hydraulic
Front Brake Diameter
270.0mm
Rear Brake Description
Single disc; Hydraulic
Rear Brake Caliper(s)
Single Piston
Rear Brake Diameter
240.0mm
ABS
Not Available
Linked Braking System
Not Available
Wheels & Tyres
Wheel Type
Blue Excel rims; Laced-spokes
Wheel Size Front
21"
Wheel Size Rear
19"
Rear Tyre
100/90-19" Bridgestone Battlecross X20
Front Tyre
80/100-21" Bridgestone Battlecross X20F
Dimensions & Weights
Length
2135mm
Width
825mm
Height
1295mm
Wheelbase
1440mm
Ground Clearance
365.0mm
Wet / Operational Weight
95.0kg
Seat Height
975mm
Seating Capacity
1
Safety & Security
Traction Control
Not Available
Alarm
Not Available
Convenience
Seat Description
Gripper
Seating Position
Upright
About this dealer
Location
Western Australia
Member since
2017
Current ad listings
18
Get in touch with the dealer
Call the dealer
(08) 6187 9456
Bike code: 10411ø Specifications have been sourced from Automotive Data Services Pty Ltd (Redbook) and are based on manufacturer standard features and specifications, some of which may require subscription. Actual features and specifications for this vehicle may differ. Please confirm these details with the seller.
‡ This is an estimated figure calculated with reference to ADR 81/02 and is made on the assumption the vehicle is at maximum factory fuel/energy capacity. It does not take into account factors such as individual driving habits, terrains and driving conditions which may vary depending on the driver and the vehicle.
Motor Vehicle Dealer Licence: 15186, Great Southern Motorcycles, 19-21 Chesterpass Road, Albany, 6330Phone: 08 6187 9456, Car Code: 1041
Contact
Advertise with us
Local marketplaces
International marketplaces
Consent
Download the bikesales app
