2026 Yamaha YZ 125: The Future of Two-Stroke Motocross Dominance

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By K.R andry

The 2026 Yamaha YZ 125 is here to reignite the passion for two-stroke motocross bikes, blending classic simplicity with cutting-edge technology. As Yamaha’s latest offering in the legendary YZ series, this bike is engineered to deliver explosive power, razor-sharp handling, and unmatched agility on the track.

At its core lies a 125cc liquid-cooled two-stroke engine , producing exhilarating power and torque that make it a favorite among racers who crave raw, unfiltered performance. Enhanced with modern features like advanced suspension, a lightweight aluminum frame, and improved ergonomics, the 2026 Yamaha YZ 125 is designed to dominate the competition while staying true to its two-stroke roots.

Whether you’re a seasoned racer or a weekend warrior, the 2026 Yamaha YZ 125 offers the perfect combination of power, precision, and nostalgia, making it a top choice for anyone seeking the thrill of motocross racing.

Table of Contents

Yamaha YZ 125 Specifications Table

Below is a detailed overview of the 2026 Yamaha YZ125’s specifications, showcasing its cutting-edge performance, advanced engineering, and race-ready design:

FeatureSpecification
Model Name2026 Yamaha YZ125
Engine TypeTwo-Stroke, Single-Cylinder
Displacement125cc
Power Output~40 hp @ 9,000 rpm
Torque~21 Nm (~15.5 lb-ft)
Cooling SystemLiquid-Cooled
Transmission6-Speed Manual
Frame MaterialAluminum Frame
Suspension (Front/Rear)Fully Adjustable KYB
Brakes (Front/Rear)Hydraulic Disc / Disc
Weight~98 lbs (44.5 kg)
Seat Height~37.6 inches (955 mm)
Fuel Tank Capacity~1.6 gallons (6 liters)
Top Speed~65 mph (105 km/h)
Price (Estimated)$7,599

2026 Yamaha YZ 125 Key Features

The 2026 Yamaha YZ 125 is more than just a motorcycle—it’s a testament to Yamaha’s commitment to innovation and performance in the world of motocross. With its explosive two-stroke power, lightweight construction, and advanced features, this bike redefines what’s possible in off-road racing. Below are the standout features that make the YZ125 a top choice for riders seeking speed, agility, and precision.


1. Explosive Two-Stroke Engine with Modern Enhancements

At the heart of the 2026 Yamaha YZ 125 lies a 125cc liquid-cooled two-stroke engine , engineered to deliver raw power and instant throttle response.

  • Impressive Power Output: The engine produces approximately 40 hp @ 9,000 rpm and 15.5 lb-ft of torque , ensuring explosive acceleration and seamless power delivery.
  • Power Valve System: An updated power valve system optimizes low-end and mid-range torque, giving riders better control and traction on tight corners and technical sections.
  • Lightweight Design: The two-stroke engine is lighter and more compact than four-stroke alternatives, making the YZ125 easier to maneuver and more agile on the track.

This combination of power, simplicity, and efficiency ensures the 2026 Yamaha YZ125 remains a favorite among racers who crave the classic two-stroke experience with modern enhancements.


2. Lightweight Aluminum Frame for Razor-Sharp Handling

The 2026 Yamaha YZ 125 features a lightweight aluminum frame , designed to balance strength and weight while enhancing agility and stability.

  • Agility on Tracks: The frame’s rigidity and geometry allow riders to navigate jumps, berms, and uneven terrains with confidence and precision.
  • Improved Weight Distribution: At approximately 98 lbs (44.5 kg) , the bike’s lightweight design ensures quick and responsive handling, making it ideal for both amateur and professional racers.
  • Durability: Despite its minimal weight, the frame is built to withstand the rigors of motocross racing, ensuring longevity and reliability.

This engineering marvel ensures the 2026 Yamaha YZ 125 remains competitive in the toughest racing conditions.


3. Advanced Suspension and Braking Systems

The 2026 Yamaha YZ 125 is equipped with cutting-edge suspension and braking systems that enhance performance and control.

  • Fully Adjustable KYB Suspension: The front and rear suspension systems provide precise damping and wheel travel, ensuring excellent handling and stability in all terrains.
  • Hydraulic Disc Brakes: High-performance hydraulic disc brakes deliver exceptional stopping power, giving riders confidence during aggressive maneuvers or high-speed descents.
  • Race-Ready Setup: These systems are tuned for motocross racing, offering a perfect balance of comfort and performance for both recreational riders and competitive racers.

These innovations make the 2026 Yamaha YZ 125 not just powerful but also highly intelligent, catering to both novice and experienced riders.


4. Sleek and Functional Design

The 2026 Yamaha YZ 125 embraces a sleek, race-inspired aesthetic that prioritizes functionality over frills, reflecting its purpose as a high-performance motocross machine.

  • Aerodynamic Fairing: The compact design reduces drag and enhances aerodynamics, making it ideal for high-speed runs and aggressive riding styles.
  • Ergonomic Layout: The low seat height (~37.6 inches) and intuitive controls ensure accessibility for riders of varying heights and skill levels.
  • Iconic Yamaha Styling: The bold blue and white color scheme, combined with sharp lines and minimalist details, gives the YZ125 a timeless yet futuristic look.

These design elements ensure the 2026 Yamaha YZ 125 looks as fast as it feels, making it a true head-turner on any track.


5. Modern Tech for Enhanced Performance

The 2026 Yamaha YZ 125 incorporates advanced technology to elevate the riding experience without compromising the simplicity of a two-stroke engine.

  • Digital Instrument Cluster: A compact digital display provides real-time information like speed, gear position, and engine temperature, helping riders stay informed during races.
  • Improved Cooling System: The liquid-cooling system ensures consistent performance, even during extended rides or back-to-back races.
  • Enhanced Power Delivery: Yamaha’s latest tuning advancements ensure smoother throttle response and better traction control, giving riders an edge on the track.

These features make the 2026 Yamaha YZ 125 a fusion of classic two-stroke charm and modern motocross innovation.

Competitors Comparison Table

To help you make an informed decision, here’s how the 2026 Yamaha YZ 125 compares to three of its closest rivals:

FeatureYamaha YZ 125 (2026)KTM 125 SX (2026)Husqvarna TC 125 (2026)Honda CRF150R (Four-Stroke)
Engine TypeTwo-StrokeTwo-StrokeTwo-StrokeFour-Stroke
Displacement125cc125cc125cc149cc
Power Output~40 hp @ 9,000 rpm~43 hp @ 9,500 rpm~43 hp @ 9,500 rpm~27 hp @ 8,500 rpm
Torque~15.5 lb-ft~16 lb-ft~16 lb-ft~14 lb-ft
Transmission6-Speed Manual6-Speed Manual6-Speed Manual5-Speed Manual
Cooling SystemLiquid-CooledLiquid-CooledLiquid-CooledLiquid-Cooled
Frame MaterialAluminum FrameChromoly Steel FrameChromoly Steel FrameTwin-Spar Aluminum Frame
Suspension (Front/Rear)Fully Adjustable KYBWP XACT SuspensionWP XACT SuspensionShowa Suspension
Weight~98 lbs (44.5 kg)~95 lbs (43 kg)~95 lbs (43 kg)~102 lbs (46 kg)
Seat Height37.6 inches (955 mm)37.4 inches (950 mm)37.4 inches (950 mm)34.7 inches (881 mm)
Fuel Tank Capacity1.6 gallons (6 liters)1.8 gallons (6.8 liters)1.8 gallons (6.8 liters)1.7 gallons (6.4 liters)
Price (Estimated)$7,599$8,299$8,499$6,999

Analysis of the Comparison

  • Performance:
    The 2026 Yamaha YZ125 produces approximately 40 hp , which is slightly less than the KTM 125 SX and Husqvarna TC 125 (~43 hp each) but still competitive in the two-stroke category. Its lightweight design ensures quick acceleration and agility, making it ideal for technical tracks. In contrast, the Honda CRF150R offers a smoother four-stroke experience with 27 hp , catering to beginners or recreational riders.
  • Weight and Handling:
    At approximately 98 lbs (44.5 kg) , the YZ125 is slightly heavier than the KTM 125 SX (~95 lbs) and TC 125 (~95 lbs) but lighter than the CRF150R (~102 lbs) . Its aluminum frame ensures excellent handling, while the fully adjustable KYB suspension provides precision control.
  • Design and Versatility:
    The YZ125 stands out with its sleek, race-inspired design and Yamaha’s signature blue-and-white color scheme. While the KTM 125 SX and TC 125 share similar performance specs, their chromoly steel frames are slightly heavier but equally durable. The CRF150R appeals to riders seeking a quieter, more user-friendly four-stroke option.
  • Price Point:
    At an estimated price of $7,599 , the YZ125 is competitively priced compared to the KTM 125 SX ($8,299) and Husqvarna TC 125 ($8,499) . Its combination of advanced technology, lightweight materials, and race-ready features justifies the cost for serious motocross enthusiasts.

2026 Yamaha YZ 125 Advantages

The 2026 Yamaha YZ 125 is packed with features and qualities that make it a top choice for riders seeking performance, agility, and precision. Below are the standout advantages that set this bike apart:

1. Explosive Two-Stroke Power

  • The 125cc liquid-cooled two-stroke engine delivers approximately 40 hp , ensuring explosive acceleration and seamless power delivery.
  • The lightweight design of the two-stroke engine makes the bike more agile and easier to maneuver compared to heavier four-stroke alternatives.

2. Lightweight and Agile Handling

  • Weighing approximately 98 lbs (44.5 kg) , the YZ125 strikes a perfect balance between agility and stability.
  • Its aluminum frame ensures razor-sharp handling, making it ideal for navigating tight corners, technical sections, and rough terrains.

3. Advanced Suspension and Braking Systems

  • Equipped with fully adjustable KYB suspension , the YZ125 provides precise damping and wheel travel, ensuring excellent handling and stability in all conditions.
  • Hydraulic disc brakes deliver exceptional stopping power, giving riders confidence during aggressive maneuvers or high-speed descents.

4. Sleek and Functional Design

  • The YZ125 features a bold, race-inspired aesthetic with Yamaha’s iconic blue-and-white color scheme, exuding speed and sophistication.
  • Its compact and aerodynamic design reduces drag, enhancing performance while maintaining a timeless look.

5. Modern Tech for Enhanced Performance

  • A digital instrument cluster provides real-time information like speed, gear position, and engine temperature, helping riders stay informed during races.
  • The liquid-cooling system ensures consistent performance, even during extended rides or back-to-back races.

6. Competitive Price Point

  • At an estimated price of $7,599 , the YZ125 offers exceptional value for its performance and features compared to competitors like the KTM 125 SX ($8,299) and Husqvarna TC 125 ($8,499) .
  • Its combination of advanced technology, lightweight materials, and race-ready features justifies the cost for serious motocross enthusiasts.

2026 Yamaha YZ125 Drawbacks to Consider

While the 2026 Yamaha YZ 125 is an exceptional two-stroke motocross bike, it’s important to weigh its limitations before making a purchase. Below are some potential drawbacks to consider:

1. Limited Power Compared to Larger Displacement Bikes

  • The YZ125 produces approximately 40 hp , which is impressive for a 125cc two-stroke but falls short compared to larger displacement bikes like the KTM 250 SX or four-stroke models like the Honda CRF250R .
  • Riders seeking more power for open tracks or professional-level racing may find the YZ125 less suitable compared to higher-displacement options.

2. Two-Stroke Maintenance Requirements

  • Two-stroke engines require more frequent maintenance, including mixing oil with fuel and rebuilding the engine more often than four-stroke alternatives.
  • While the simplicity of a two-stroke engine is appealing, the upkeep costs and effort may deter casual riders or those unfamiliar with two-stroke mechanics.

3. Slightly Heavier Than Key Competitors

  • Weighing approximately 98 lbs (44.5 kg) , the YZ125 is slightly heavier than competitors like the KTM 125 SX (~95 lbs) and Husqvarna TC 125 (~95 lbs) .
  • This additional weight may make it feel less agile in tight spaces or during quick maneuvers compared to lighter rivals.

4. Smaller Fuel Tank Limits Long-Distance Riding

  • With a 1.6-gallon fuel tank , the YZ125 has a smaller capacity compared to competitors like the KTM 125 SX (1.8 gallons) and Husqvarna TC 125 (1.8 gallons) .
  • This may require more frequent refueling during long practice sessions or multi-lap races, potentially disrupting momentum.

5. Advanced Features May Feel Overwhelming for Beginners

  • While the advanced suspension, braking systems, and digital instrument cluster enhance performance, tech-savvy riders may find the learning curve steep when adjusting to features like fully adjustable KYB suspension.
  • Additionally, reliance on electronics increases the risk of technical issues or malfunctions in remote areas.

FAQs Section

Here are some frequently asked questions about the 2026 Yamaha YZ125 , along with their answers:

1. What is the price of the 2026 Yamaha YZ125?

The estimated price of the 2026 Yamaha YZ125 is $7,599 , making it a competitive option in the two-stroke motocross category. Its combination of advanced technology, lightweight materials, and race-ready features justifies the cost for serious motocross enthusiasts.


2. How powerful is the 2026 Yamaha YZ 125?

The 2026 Yamaha YZ125 is powered by a 125cc liquid-cooled two-stroke engine that produces approximately 40 hp @ 9,000 rpm and 15.5 lb-ft of torque . This ensures explosive acceleration and seamless power delivery, making it ideal for both amateur and professional racers.


3. How does the 2026 Yamaha YZ125 compare to the KTM 125 SX?

While the KTM 125 SX offers slightly more power (~43 hp ) and a larger fuel tank (1.8 gallons vs. 1.6 gallons ), the 2026 Yamaha YZ125 matches it in terms of performance and handling. The YZ125 also has a more affordable price point ($7,599 vs. $8,299 ) and Yamaha’s legendary reliability, making it a strong contender in the two-stroke category.


4. What kind of suspension does the 2026 Yamaha YZ 125 have?

The 2026 Yamaha YZ125 features fully adjustable KYB suspension , including a front inverted fork and a rear monoshock. This setup provides precise damping and wheel travel, ensuring excellent handling and stability on all terrains.


5. Does the 2026 Yamaha YZ125 have a digital display?

Yes, the 2026 Yamaha YZ125 comes equipped with a compact digital instrument cluster that provides real-time information like speed, gear position, and engine temperature. This feature helps riders stay informed during races and enhances the overall riding experience.


6. Is the 2026 Yamaha YZ 125 suitable for beginners?

While the 2026 Yamaha YZ125 is designed primarily for motocross racing, its manageable power output (~40 hp ) and lightweight design (~98 lbs ) make it suitable for intermediate riders transitioning from smaller bikes. However, beginners may find the aggressive power delivery and two-stroke maintenance requirements challenging.


7. Can the 2026 Yamaha YZ 125 handle long-distance riding?

The 2026 Yamaha YZ125 is optimized for motocross racing rather than long-distance riding. Its 1.6-gallon fuel tank provides enough range for practice sessions and races but may require frequent refueling during extended rides. Additionally, its aggressive ergonomics and race-focused design prioritize performance over comfort for long distances.


8. What are the key differences between the 2026 Yamaha YZ 125 and the Honda CRF150R?

The 2026 Yamaha YZ125 is a two-stroke bike with explosive power (~40 hp ) and lighter weight (~98 lbs ), making it ideal for technical tracks and experienced riders. In contrast, the Honda CRF150R is a four-stroke bike with smoother power delivery (~27 hp ) and a slightly taller seat height (34.7 inches vs. 37.6 inches ), catering to beginners and recreational riders.


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