New 2025 Yamaha YZ125 Monster Energy Edition, Topeka KS | Specs, Price, Photos | Monster Energy Yamaha Racing Edition
Value Your Trade in 30 Seconds

2025 Yamaha YZ125 Monster Energy Edition

Monster Energy Yamaha Racing EditionNew Motorcycles

MSRP

$7,299

Previous
Next
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 1
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 2
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 3
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 4
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 5
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 6
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 7
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 8
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 9
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 10
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 11
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 12
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 13
Previous
Next

Request More Information

By pressing SUBMIT, you agree that DX1, LLC and Cycle Zone, LLC may call/text you at the number provided, for either informational or marketing purposes, using an automatic telephone dialing system or pre-recorded/artificial voices. Msg/data rates may apply. You don’t need to consent as a condition of any purchase & you may revoke your consent at any time. You also agree to our Privacy Statement & Terms of Use.
YOUR RACE STARTS NOW
Bring the braaap in iconic Monster Energy® colors with the competition-bred YZ125 Monster Energy® Yamaha Racing Edition.
Request More Information Print Brochure
Calculate Payment
Compare Models Insurance Quote

2025 Yamaha YZ125 Monster Energy Edition

Condition
New
Category
Motorcycles
Model Type
Motocross
Model Code
YZ125SME
Color
Monster Energy Yamaha Racing Edition

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.
  • 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.
  • RACE-READY TIRES: Premium Bridgestone® Battlecross X20 tires offer strong cornering grip and race-developed performance.

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.

New For 2025

  • COMPETITION-INSPIRED MONSTER ENERGY® STYLING: Roll like a factory pro with this striking Monster Energy® Yamaha Racing Edition. Inspired by Yamaha's factory race team, iconic blue and black Monster Energy® livery combines with the YZ125's sleek, aggressive bodywork for a competition-ready look and feel.

Other Features

  • RACE-READY FEATURES: Complete with an aluminum handlebar, two-position adjustable handlebar clamp, wide foot pegs, gripper seat, adjustable clutch lever with works-style cable adjuster and lightweight rear sprocket design, the YZ125 is competition-ready straight out of the crate.

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.
  • 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.

General Information

Manufacturer
Yamaha
Model Year
2025
Model
YZ125 Monster Energy Edition
Model Code
YZ125SME
Color
Monster Energy Yamaha Racing Edition

Brakes/Wheels/Tires

Brakes

Front - Hydraulic disc, 270 mm

Rear - Hydraulic disc, 240 mm

Tires

Front - 80 / 100-21 Bridgestone® Battlecross X20F

Rear - 100 / 90-19 Bridgestone® Battlecross X20

Dimensions

Length
84.1 in.
Height
51.0 in.
Width
32.5 in.
Weight
Wet - 209 lb. (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.)
Ground Clearance
Max. - 14.4 in.
Wheelbase
56.9 in.
Seat Height
38.6 in.

Drivetrain

Transmission
Constant-mesh 6-speed
Final Drive
Chain

Engine

Engine
2-stroke; reed-valve inducted
Cooling
Liquid
Displacement
125 cc
Bore x Stroke
2.1 in. x 2.1 in. (54.0 mm x 54.5 mm)
Compression Ratio
8.2 ~ 10.1:1
Clutch
Multiplate wet
Carburetion
Hitachi Astemo® Keihin PWK38S
Fuel Capacity
1.8 gal.

Operational

Front Suspension

KYB® Speed-Sensitive System inverted fork; fully adjustable

Travel - 11.8 in.

Rear Suspension

KYB® single shock; fully adjustable

Travel - 12.4 in.

Rake
Caster angle - 26°
Trail
4.3 in.

Other

Warranty
30 day (limited factory)

Gallery

2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 1
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 2
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 3
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 4
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 5
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 6
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 7
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 8
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 9
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 10
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 11
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 12
2025 Yamaha YZ125 Monster Energy Edition in Topeka, Kansas - Photo 13

Promotions

 Professional rider(s) on closed area.  Dress properly for your ride with a helmet, eye protection, and protective riding gear.  Do not drink and ride.  It is illegal and dangerous.  Specifications are subject to change.

We are in the process of adding model data for the 2024, 2025 Yamaha models. We do everything we can to ensure that all of our information is correct; however, during the initial entry process, we reserve the right to make additions, deletions or modifications to model specifications, features, images and prices displayed on this and any associated webpage at any time without prior notice. Please contact your local dealer to confirm all information. 

Due to continued challenges across supplier networks as well as increasing logistics costs, product pricing, freight charges, specifications, and features are subject to change at any time without prior notice. Please confirm all information with your local dealership.

Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred; contact the dealer for more details.

  • Price, if shown and unless otherwise noted, represents the Manufacturer's Suggested Retail Price (MSRP) or dealer unit price and does not include government fees, taxes, dealer vehicle freight/preparation, dealer document preparation charges, labor, installation, or any finance charges (if applicable). MSRP and/or final sales price will vary depending on options or accessories selected; contact dealer for more details.

  • Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred; contact dealer for more details.