1. Modern Styling
Modern, aggressive styling, including front fender, front number plate, radiator shrouds, side number plates, air box, rear fender, fork guards, as well as the rear brake disc protector, rear brake caliper protector and wider foot pegs—just like the 4-strokes.

2. Lightweight Frame
A light aluminum frame housing a patented YPVS™-equipped ripper of an engine results in an awesome power-to-weight ratio.

3. Race-Ready Features
The YZ125 is ready to race out of the crate, complete with an aluminum handlebar, titanium foot pegs and gripper seat.

4. Ideal Balance
A pure motocross machine, the light and nimble YZ125 is the perfect choice for riders stepping up from the 85cc class.

5. Rider- Friendly Chassis
Ultra light weight means nimble handling with less fatigue.

6. New 270mm Front Brake
Larger 270mm front disc brake coupled with new pad material offers outstanding machine control and performance, with exceptional stopping power and controllability.


NEW FOR 2017:
New Front Brake
New 270mm front disc brake (up from 250mm) also features a new brake pad material for exceptional stopping power and control for aggressive corner entries.

Two-Stroke Power
Amazingly compact 124cc reed-valve-inducted two-stroke helps produce an awesome power-to-weight ratio.

Race-Developed Intake
Reed-valve spacer improves acceleration across the entire powerband.

Yamaha Power Valve System
Patented YPVS™ combines crisp, hard-hitting bottom-end acceleration with strong midrange and eye-opening top-end.

Close-Ratio Transmission
Six-speed, close-ratio transmission optimizes 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
Large-capacity radiator features a 10-row core with four louvers to deliver maximum cooling efficiency at all performance levels.

New 270mm Front Brake
New 270mm front brake system is a huge 20mm larger than the disc fitted to the 2016 YZ125 and uses an all-new pad material for exceptional stopping power and braking control.

Aluminum Frame
A carefully engineered, advanced aluminum frame and swingarm give the YZ125 the best handling in its class.

Lightweight Subframe
Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Industry-Leading Fork
Speed-Sensitive System 48mm KYB® fork; damping force is controlled by piston speed which provides a smoother, more precise ride with 11.8 inches of travel.

Advanced KYB® Shock
Rear, fully adjustable KYB® shock features reduced-friction Kashima Coat™ internals, 12.4 inches of travel, separate adjusters for high- and low-speed compression damping, and a full lock oil rebound system for increased comfort. All adding up to fantastic rear wheel control and a sweet ride.

Race-Ready Tires
Premium Dunlop® knobbies offer race-spec traction and wear.

Race-Ready Features
The YZ125 is ready to race out of the crate, complete with an aluminum handlebar, 2-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster.

Engine Type: 125cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke: 54.0mm x 54.5mm
Compression Ratio: 8.6~10.7:1
Fuel Delivery: Mikuni® TMX 38
Ignition: CDI
Transmission: Constant-mesh 6-speed; multiplate wet clutch
Final Drive: Chain
Suspension / Front: KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Suspension / Rear: KYB® single shock; fully adjustable, 12.4-in travel
Brakes / Front: Hydraulic disc, 270mm
Brakes / Rear: Hydraulic disc, 245mm
Tires / Front: 80/100-21 Dunlop® MX52
Tires / Rear: 100/90-19 Dunlop® MX52
L x W x H: 84.1 in x 32.6 in x 51.0 in
Seat Height: 38.4 in
Wheelbase: 56.8 in
Rake (Caster Angle): 26.0°
Trail: 4.3 in
Ground Clearance: 14.4 in
Fuel Capacity: 2.1 gal
Wet Weight***: 207 lb
Warranty: 30 Day (Limited Factory Warranty)
Color: Team Yamaha Blue
MSRP: $6,499

Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.

*** Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.

Specifications subject to change without notice. This document contains many of Yamaha's valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement. © 2016 Yamaha Motor Corporation, U.S.A. All rights reserved.
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First Look: 2017 Yamaha Motocross and Off-Road Line

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