Review – Key Features – Features & Benefits – Specifications
2024 Yamaha YZ125X: TWO‑STROKE TRAILBLAZER.
Introducing the new 2024 Yamaha YZ125X…
The YZ125X sets the standard for light, fast two‑stroke fun! The perfect entry into the world of XC 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. The 2024 YZ125X combines thrilling performance and ultimate reliability to make it the trail blazer of choice!
Two-Stroke Power: Tuned for Enduro Racing
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.
GNCC®-SPECIFIC 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.
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.
2024 Yamaha YZ125X Totalmotorcycle.com Key Features
- 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
The YZ125’s advanced, liquid-cooled 125cc two-stroke engine provides impressive acceleration, thrilling mid- to high-rpm power, along with supreme usability.
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.
Cross country focused suspension setup and Dunlop® Geomax AT81 tires, 18-inch rear wheel, sealed O-ring chain, a standard side stand and fuel tank petcock with reserve position are perfect for GNCC® racing.
2024 Yamaha YZ125X Totalmotorcycle.com Features and Benefits
TOP FEATURES
Bold YZ Styling
Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are now embedded to provide excellent durability and scratch resistance.
GNCC®-Specific 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.
Industry-Leading 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.
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.
Two-Stroke Power: Tuned for Enduro Racing
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.
ADDITIONAL FEATURES
Bold YZ Styling
Along with slim, aggressive bodywork, the bold graphics scheme further highlights the YZ family pedigree. Premium Yamaha graphics are now 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, larger rear sprocket, side stand, sealed O-ring chain and reserve fuel petcock, all adding up to exceptional cross country performance.
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 capability.
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 more precise damping and increased comfort, while offering up 11.8 inches of travel. Additionally, a scraper between the dust and oil seal improves reliability in cross country conditions.
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. Removable aluminum rear subframe is constructed of square-section tubing for reduced weight.
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.
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
Large-capacity radiator with dark louvers deliver an aggressive look and maximum cooling efficiency for demanding racing conditions.
Narrow Exhaust Pipe
The compact exhaust expansion chamber provides both horizontal and vertical clearance on tight, technical trails while still providing excellent exhaust efficiency.
Powerful 125cc Two-Stroke Engine
The YZ125’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 revised compression ratio, revised YPVS™ timing and a model-specific digital CDI unit compared to its motocross sibling—all focused on creating a broad, usable power delivery specifically suited to cross country and enduro-style competition.
*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.
2024 Yamaha YZ125X – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $7,199 USD
Canada MSRP Price: $8,399 CDN
Europe/UK MSRP Price: £ See Dealer for Pricing in GBP (On The Road inc 20% Vat)
ENGINE
| Engine Type | 125cc liquid-cooled 2-stroke; reed-valve inducted |
| Bore x Stroke | 54.0 mm x 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.
2024 Yamaha YZ125X – Totalmotorcycle.com Canada Specifications/Technical Details
ENGINE
| ENGINE | 2-stroke, liquid-cooled, reed-valve, single |
| DISPLACEMENT | 125 cc |
| BORE AND STROKE | 54.0 x 54.5 mm |
| COMPRESSION RATIO | 7.8~10.2:1 |
| FUEL DELIVERY | Hitachi Astemo® Keihin PWK38S |
| IGNITION / STARTING | CDI / Kick |
| TRANSMISSION | Constant mesh, 6-speed |
| FINAL DRIVE | Chain |
CHASSIS
| SUSPENSION (FRONT) | Fully adjustable 48 mm KYB inverted fork / 300 mm (11.8″) travel |
| SUSPENSION (REAR) | Fully adjustable KYB link Monocross / 315 mm (12.4″) travel |
| BRAKES (FRONT) | 270 mm floating disc / twin piston caliper |
| BRAKES (REAR) | 240 mm disc / single piston caliper |
| TIRES (FRONT) | 80/100-21 |
| TIRES (REAR) | 110/100-18 |
CRITICAL DATA
| LENGTH | 2,154 mm (84.8″) |
| WIDTH | 825 mm (32.5″) |
| HEIGHT | 1,290 mm (50.8″) |
| WHEELBASE | 1,455 mm (57.3″) |
| GROUND CLEARANCE | 356 mm (14″) |
| SEAT HEIGHT | 970 mm (38.2″) |
| FUEL CAPACITY | 8 litres (1.8 imp. gallons) |
| WET WEIGHT | 96 kg (212 lb) |
| COLOUR(S) | Team Yamaha Blue |
2024 Yamaha YZ125X – Totalmotorcycle.com European Specifications/Technical Details
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Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).
