Review – Key Features – Features & Benefits – Specifications
2027 Yamaha YZ125X: LIGHTWEIGHT & RAZOR SHARP.
Introducing the new 2027 Yamaha YZ125X…
Light, fast, two‑stroke fun comes standard on the YZ125X, providing the perfect entry into cross country and enduro competition.
The YZ125X sets the standard for light, fast two-stroke fun! The perfect entry into the world of XC and enduro competition, this two-stroke trailblazer combines thrilling performance and ultimate reliability for all your wins.
Two-Stroke Power: Tuned for Enduro
The YZ125X’s advanced, liquid-cooled 125cc two-stroke engine is optimized for enduro-style competition utilizing an optimized compression ratio, YPVS timing, and a model-specific digital CDI unit, all focused on creating a broad, usable power delivery for cross country riding and racing.
Lightweight Aluminum Frame
The lightweight, race-proven YZ125-spec aluminum semi-double cradle frame is engineered to provide the perfect balance of rigidity and flex for competition-ready handling character and composure, while its removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
Class-Leading Suspension
Fully adjustable suspension tuned for cross country racing, the YZ125X features Yamaha’s renowned Speed Sensitive System KYB® spring-type front fork matched with a high performance KYB® long-travel shock in the rear.
Premium Wheels & Tires
With exceptional durability and a premium appearance, the blue Excel® rims come wrapped in high performance Dunlop® Geomax MX33 tires that deliver race-ready performance for a wide range of terrain.
Cross Country Features
Designed for cross country competition, the YZ125X runs an 18-inch rear wheel, enduro-focused suspension setup, larger rear sprocket, side stand, sealed O-ring chain and reserve fuel petcock.
2027 Yamaha YZ125X Totalmotorcycle.com Key Features
- 125cc DISPLACEMENT
- 212 lb WET WEIGHT
- 38.2 in SEAT HEIGHT
- 57.3 in WHEEL BASE
- Liquid-cooled 125cc two-stroke engine
- High-precision Hitachi Astemo® Keihin PWK38S carburetor features a power jet, throttle position sensor and 3D-map-controlled CDI unit for
- precise ignition timing
- Braking system features large front pistons, rigid caliper and a 270mm front rotor
- Model-specific CDI unit
- Racing intake system
- Ultra-lightweight YZ125-spec frame
- Industry-leading, XC-specific adjustable KYB suspension
- Smooth shifting, 6-speed, close ratio transmission
2027 Yamaha YZ125X Totalmotorcycle.com Features and Benefits
Bold YZ Styling
Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
GNCC®-inspired Features
Cross country focused suspension setup, optimized YPVS™ settings, lightweight Excel® wheels paired with Dunlop® Geomax MX33 tires, sealed O-ring chain, standard side stand and fuel tank petcock with reserve position all combine to make the perfect GNCC® racer.
High Performance Braking System
High-spec front and rear brake setup offer exceptional power and feel, while reducing unsprung weight.
Lightweight Aluminum Frame
Ultra-lightweight YZ125-spec aluminum semi-double cradle frame is engineered to provide the perfect balance of rigidity and flex for competition-ready handling character and composure.
Premium KYB® Suspension
Yamaha’s renowned Speed Sensitive System KYB® spring-type front fork is matched with a high performance KYB® long-travel rear shock, both fully adjustable and tuned for the specific demands of cross country racing.
Two-Stroke Power
The YZ125X is optimized for the unique demands of Hare Scrambles and GNCC® racing. The powerful Yamaha Power Valve System (YPVS™)-equipped 125cc two-stroke engine is mated to a six-speed transmission for the ultimate cross country powerplant.
ENGINE
Close-Ratio Six-Speed Transmission
An advanced, close-ratio six-speed transmission has wide gear teeth and optimized gear ratios for maximum performance.
Efficient Air Intake Design
Intake design allows for a straighter, more efficient draw of air into the intake tract.
High-Capacity Radiator
A high-capacity radiator with dark louvers delivers aggressive looks and cooling efficiency for demanding cross country racing conditions.
Narrow Exhaust Pipe
The compact exhaust expansion chamber provides both horizontal and vertical clearance on tight, technical courses while still providing excellent exhaust efficiency.
Powerful 125cc Two-Stroke Engine
The YZ125X’s advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.
Precise Fueling
Refined 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.
Tuned for GNCC® Competition
The YZ125X utilizes a model-specific digital CDI unit compared to its motocross sibling focused on creating a broad, usable power delivery specifically suited to cross country and enduro-style competition.
CHASSIS/SUSPENSION
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 performance.
High Performance Brake System
A high performance, lightweight braking system features large front pistons, rigid calipers, and 270mm front rotor and 240mm rear rotor, all combining to provide exceptional braking power and feel along with reduced unsprung weight.
Industry-Leading KYB® Fork
Tuned for the demands of cross country racing, the Speed Sensitive System 48mm inverted KYB® fork includes a leaf spring in the mid-speed valve for precise damping and comfort, while offering up 11.8 inches of travel, while a hand-adjustable knob offers quick, toolless compression adjustments.
Lightweight Frame
Race-proven, highly developed aluminum semi-double cradle frame is engineered to provide the perfect balance of rigidity and flex for competition-ready handling character and composure. A lightweight removable aluminum rear subframe is constructed of square-section tubing.
Premium Excel® Wheels & Dunlop® Tires
Slick blue Excel® rims provide exceptional durability and a premium look. They come wrapped in high performance Dunlop® Geomax MX33 tires for improved cornering traction, stability and feel.
ADDITIONAL FEATURES
Bold YZ Styling
Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are embedded to provide excellent durability and scratch resistance.
Cross Country Ergonomics
A racy “gripper”-type seat and narrow fuel tank combined with a tapered aluminum handlebar and adjustable mounts create greater freedom of movement and more comfortable ergonomics for riders.
Cross Country Features
The YZ125X is focused on enduro competition with an 18-inch rear wheel, large rear sprocket, side stand, sealed O-ring chain, reserve fuel petcock and a water-resistant PVC handle bar pad, all adding up to exceptional cross country performance.
*Manufacturer’s Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***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.
2027 Yamaha YZ125X – Totalmotorcycle.com Specifications/Technical Details
US MSRP Price starting at: $7,299 USD
Canada MSRP Price starting at: $9,849 CDN
Europe/UK MSRP Price starting at: £ See Dealer GBP (On The Road inc 20% Vat)
ENGINE
| Engine Type | 125cc liquid-cooled 2-stroke; reed-valve inducted |
| Bore x Stroke | 54.0 mm × 54.5 mm |
| Compression Ratio | 7.8~10.2:1 |
| Fuel Delivery | Hitachi Astemo® Keihin PWK38S |
| Transmission | 6-speed; multiplate wet clutch |
| Final Drive | Chain |
| Fuel Capacity | 1.8 gal |
CHASSIS
| 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, 240mm |
| Tires/Front | 80/100-21 Dunlop® Geomax MX33F |
| Tires/Rear | 110/100-18 Dunlop® Geomax MX33 |
DIMENSIONS
| LxWxH | 84.8 in x 32.5 in x 50.8 in |
| Seat Height | 38.2 in |
| Wheelbase | 57.3 in |
| Rake (Caster Angle) | 26.4° |
| Trail | 4.4 in |
| Max. Ground Clearance | 14.0 in |
| Fuel Capacity | 1.8 gal |
| Wet Weight*** | 212 lb |
OTHER
| Warranty | 30 Day (Limited Factory Warranty) |
*Manufacturer’s Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***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.
Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).
