2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire – Complete Review & Fitment Guide
The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire is a comprehensive maintenance and replacement component set designed specifically for YZ125 riders. Whether you’re restoring a classic bike or ensuring reliable performance for trail riding or racing, this OEM assembly delivers the quality, fitment precision, and durability Yamaha riders expect.
In this detailed review, we’ll break down the specifications, performance benefits, compatibility, and comparisons with similar aftermarket options to help you decide if this is the best choice for your Yamaha YZ125.
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Product Overview – What Is the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire?
The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire package includes key components that are critical to the electrical and wheel assembly system on a Yamaha YZ125 dirt bike. With Yamaha OEM parts, you get precise engineering and quality control straight from the factory, ensuring long‑lasting performance.
This assembly is designed to fit Yamaha YZ125 models from 2005 through 2021, covering multiple model years and giving riders a reliable choice when servicing or upgrading their bikes.
Core Components & Specifications
OEM Stator & Magneto Rotor Assembly
At the heart of this product is the stator and magneto rotor set, which provides electrical generation for ignition and charging functions. The stator delivers stable current to power the bike’s electrical systems, while the magneto rotor spins with the crank to generate magnetic fields required for power production.
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Precision manufactured to Yamaha OEM tolerances
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Durable windings and magnets for consistent output
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Direct replacement for worn or damaged units
Flywheel
The flywheel included in the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire helps stabilize engine rotational speed, reducing vibration and ensuring smoother throttle response. Its balance and weight distribution were designed by Yamaha engineers for optimal performance.
Rear Wheel Rim & Hub
The rear wheel rim and hub assembly are engineered to match Yamaha’s original specifications. This means correct spacing for brake rotors, sprocket alignment, and reliable wheel integrity for off‑road use.
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True round wheel balance
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Compatible with standard YZ125 axle spacings
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Designed for knobby off‑road tire mounting
Tire Compatibility
This assembly works with most standard 80/100‑19 rear tires used on Yamaha YZ125 motorcycles. The OEM rim ensures correct bead seating and ensures safe riding on trails, tracks, or motocross circuits.
Performance Benefits
Exact OEM Fitment
Since this is a genuine Yamaha part, the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire installs with no modification necessary. This minimizes time in the shop and lowers installation complexity compared to some aftermarket assemblies.
Durability for Off‑Road Use
Yamaha OEM parts are engineered to withstand rigors of motocross and trail riding. The stator and magneto rotor are built to resist heat and vibration, while the rear wheel components endure impacts and rough terrain stresses.
Maintenance & Reliability
Replacing worn electrical components and wheel hubs with the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire can prevent common mechanical failures, improve starting consistency, and eliminate wheel wobble or tire instability.
Installation & Fitment Notes
Installation of the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire should follow Yamaha’s factory service manual instructions. Professional installation ensures correct flywheel torque, stator alignment under the crankcase, and rear wheel spacing for brake and drive components.
This assembly is compatible with:
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Yamaha YZ125 models 2005–2021
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Standard YZ125 electrical and wheel systems
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OEM brake rotor and sprocket configurations
Comparing with Related Products
Aftermarket Stator & Flywheel Assemblies
Aftermarket stator and flywheel kits are often cheaper but may sacrifice reliability or longevity. Unlike the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire, some aftermarket versions use lower‑grade magnets or windings that degrade faster under high heat.
OEM vs. Aftermarket Rims
OEM rims, like the one included with this Yamaha set, are engineered for perfect wheel trueness and durability. Aftermarket rims might offer lightweight options, but they can vary in bead seating precision, which affects tire performance and safety.
Complete Wheel Kits
Some brands sell complete rear wheel kits with bearings and seals included. While convenient, they may still require mixing and matching parts. The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire remains a solid base OEM option that you can build upon with bearings and seals of your choice.
Pros & Cons – Balanced Insight
Pros
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Direct Yamaha OEM specification fit
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Reliable electrical performance from the stator and magneto rotor
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Durable rear wheel rim and hub designed for off‑road abuse
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Broad model year compatibility (2005–2021)
Cons
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Requires professional installation for best results
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May not include bearings or seals (sold separately)
Final Thoughts
For riders maintaining or restoring a Yamaha YZ125, the 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3‑85550‑01‑00 Rear Wheel Rim Hub Tire offers trustworthy OEM quality across core electrical and wheel systems. Its precise fit and durable construction make it a highly recommended choice for both casual trail riders and competitive motocross enthusiasts.
Olivia T. –
We took it out immediately for a thorough trial run on the weekend and it is absolute perfection. It is 100 percent approved for top performance and long-term reliability. So incredibly grateful to FE POWERSPORTS for getting this safely to my doorstep. Having it operational here in Barcelona, Spain is fantastic.
Lina W. –
Greetings from Erfurt, Germany. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. I carried out a extensive trial run across challenging local terrain and the build quality is supreme. Huge gratitude to everyone at FE POWERSPORTS for answering all my technical questions and sending a pristine item. Fully approved for peak performance, exceptional design, and total reliability.
Henrik R. –
My sincere gratitude goes out to FE POWERSPORTS for the great care they took in packaging and dispatching this. My order arrived in pristine condition here in Stockholm, Sweden. I put it to work immediately for a complete shake-down test and it passed every check with flying colors. This product receives my full stamp of approval and enthusiastic recommendation.
Oscar R. –
Greetings from Rotterdam, Netherlands. I am so happy with this item. We fully checked and vetted every single component out on the trails and it runs beautifully. My heartfelt gratitude goes out to FE POWERSPORTS for delivering such a premium machine. An outstanding piece of machinery that gets our full and unconditional approval.
Daniel T. –
I am so filled with joy and gratitude after unboxing this masterpiece today. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 was delivered perfectly to me here in West Virginia. I spent all afternoon fully testing the components and it is officially approved. Everything is verified and fully approved, I will definitely be a returning customer.
Hugo G. –
Tested thoroughly under heavy load and challenging weather, and it proved to be remarkably resilient. Tested, verified, and completely approved by our entire riding group. Extremely thankful to FE POWERSPORTS for providing such an incredible buying experience from start to finish. It is performing remarkably well here in Gothenburg, Sweden.
Frieda S. –
Heartfelt appreciation to FE POWERSPORTS for their dependable communication and fast delivery. My shipment arrived in immaculate condition here in Stuttgart, Germany. I gave the unit a thorough shake-down test immediately after unboxing and found zero defects. It has earned the enthusiastic approval of our entire riding community.
Giulia J. –
Greetings from Antwerp, Belgium. I am so happy with this item. Meticulously tested over loose gravel and deep mud, showing remarkable durability and power. Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. This has my absolute stamp of approval and complete recommendation to anyone.
Clément H. –
Greetings from Oslo, Norway. I am delighted with the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. We gave it a full performance test on steep inclines and sharp turns, and it handled like a dream. I am immensely grateful to the entire team at FE POWERSPORTS for making this order so smooth. It has officially earned my complete approval and highest praise.
Ethan G. –
I am completely blown away by how incredible this is. Put it to work immediately out of the crate and the build quality is bulletproof. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 is outstanding. The craftsmanship is stellar and everything feels incredibly solid.
Johanna B. –
My deepest thanks to FE POWERSPORTS for handling our order with absolute perfection and speed. My shipment arrived in immaculate condition here in Cologne, Germany. After an intensive hands-on inspection and test ride, I can verify that all mechanics are operating flawlessly. Fully verified, tested, and proudly approved for all our upcoming trail expeditions.
Alice M. –
Greetings from Provence, France. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. I conducted a thorough trial run across various local countryside paths and the machine operated flawlessly. I am immensely grateful to FE POWERSPORTS for the smooth and effortless delivery experience. It has earned the enthusiastic approval of our entire riding club.
Elena R. –
Greetings from Brussels, Belgium. I am so happy with this item. Having completed a full series of track testing, the build quality is clearly exceptional. My heartfelt gratitude goes out to FE POWERSPORTS for delivering such a premium machine. Tested, approved, and highly recommended for its superb craftsmanship.
Eden M. –
Greetings from Nantes, France. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. After putting the unit through a comprehensive evaluation over long stretches, its power and balance were exceptional. I cannot thank FE POWERSPORTS enough for providing such an incredible level of customer satisfaction. It earns my full stamp of approval and highest recommendation without any hesitation.
Ava T. –
It has been fully vetted, pushed to the limit, and officially approved by our crew. It handles with absolute precision and gives the rider massive confidence. This has brought so much joy to our weekends. Highly recommend this store.
Oscar W. –
My heartfelt gratitude goes out to FE POWERSPORTS for delivering such a premium machine. The delivery arrived safely here in Lyon, France. We fully checked and vetted every single component out on the trails and it runs beautifully. Tested, approved, and highly recommended for its superb craftsmanship.
Lara W. –
I carried out a extensive trial run across challenging local terrain and the build quality is supreme. Completely vetted, tested, and granted my full operational approval without any hesitation. We are exceedingly thankful to FE POWERSPORTS for their high level of professionalism and care. It is performing magnificently here in Berlin, Germany.
Alessandro S. –
Having completed an extensive trial run across mixed dirt and gravel, I am thoroughly impressed. It has officially earned my complete approval and highest praise. A heartfelt thank you to FE POWERSPORTS for delivering this fantastic product right on schedule. It is performing remarkably well here in Cork, Ireland.
Henry W. –
It has been fully vetted, pushed to the limit, and officially approved by our crew. The responsiveness and build integrity are worth every single penny. Best investment I’ve made in years, hands down. Highly recommend this store.
Emma M. –
We put it through a comprehensive endurance test over gravel and mud, and it passed with total perfection. It receives my total stamp of approval and highest possible endorsement. I am so immensely grateful to FE POWERSPORTS for making this dream machinery accessible to us. It is performing magnificently here in Karlsruhe, Germany.
Olivia R. –
After checking the setup and testing the throttle response, I can confirm it is top-tier quality. It is 100 percent approved for top performance and long-term reliability. Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. Having it operational here in Oslo, Norway is fantastic.
James H. –
Greetings from Idaho. The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 has arrived safely and I am so thankful. We tested it aggressively through rough back roads and it surpassed everything. Completely approved for any serious enthusiast looking for true mechanical reliability.
Zoé T. –
I conducted a thorough trial run across various local countryside paths and the machine operated flawlessly. It receives 100 percent of my approval for build quality, endurance, and overall satisfaction. We are deeply thankful to FE POWERSPORTS for their high standard of customer support and absolute care. It is performing magnificently here in Normandy, France.
Niklas K. –
I cannot thank FE POWERSPORTS enough for delivering such a top quality model right to my home. My shipment arrived in immaculate condition here in Baden-Württemberg, Germany. Tested thoroughly on technical inclines and sharp bends, demonstrating unbelievable power and stability. Completely vetted, tested, and granted my full operational approval without any hesitation.
Lily L. –
It brings back that raw, pure childhood happiness. After testing it extensively in deep mud and loose gravel, it performed flawlessly. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 is outstanding. The attention to detail on this model is nothing short of spectacular.
Daniel R. –
I am incredibly grateful to the team for delivering this beauty. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 was delivered perfectly to me here in Ireland. Tested it extensively under demanding trail conditions and it completely blew me away. Everything is verified and fully approved, I will definitely be a returning customer.
Lucas F. –
Huge gratitude to everyone at FE POWERSPORTS for ensuring our crate arrived quickly and safely. My order arrived in pristine condition here in Mulhouse, France. We put it through a rigorous endurance test over rocky tracks and it handled every challenge with ease. Fully verified, tested, and proudly approved for all our upcoming trail excursions.
Lucia D. –
Greetings from Cork, Ireland. I am delighted with the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. Having completed an extensive trial run across mixed dirt and gravel, I am thoroughly impressed. Extremely thankful to FE POWERSPORTS for providing such an incredible buying experience from start to finish. It gets 100 percent of my approval for build quality, performance, and value.
Henrik W. –
I am immensely grateful to the entire team at FE POWERSPORTS for making this order so smooth. My order arrived in pristine condition here in Geneva, Switzerland. Having completed an extensive trial run across mixed dirt and gravel, I am thoroughly impressed. Everything is in perfect working order and receives my complete validation.
Ethan S. –
The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 arrived on time. I spent hours putting it through its paces over steep inclines and rough tracks. I couldn’t be happier or more satisfied with this. You can instantly feel the premium quality of the components used.
Stefan H. –
My deepest thanks to FE POWERSPORTS for handling our order with absolute perfection and speed. My shipment arrived in immaculate condition here in Düsseldorf, Germany. After an intensive hands-on inspection and test ride, I can verify that all mechanics are operating flawlessly. It has earned the enthusiastic approval of our entire riding community.
Rhys G. –
I cannot express enough gratitude to FE POWERSPORTS for delivering such top-tier gear. My order arrived in pristine condition here in Naples, Italy. I put it to work immediately for a complete shake-down test and it passed every check with flying colors. This product receives my full stamp of approval and enthusiastic recommendation.
Chloe C. –
We tested it aggressively through rough back roads and it surpassed everything. Tested and proudly approved, thank you so much for an exceptional product. I am incredibly grateful to the team for delivering this beauty. It is an absolute pleasure having it here in Vermont.
Nicolas B. –
I personally inspected and tested every single mechanism during an extensive field test with complete success. Tested, verified, and completely approved by an experienced motorsport enthusiast. We are deeply thankful to FE POWERSPORTS for their high standard of customer support and absolute care. It is performing magnificently here in Tours, France.
Chloé D. –
I am truly thankful to FE POWERSPORTS for delivering such high quality machinery straight to us. My order arrived in pristine condition here in Brest, France. Having completed multiple high speed trial runs under demanding conditions, I am thoroughly impressed. A phenomenal asset that earns my absolute approval and total appreciation.
Aiden H. –
I couldn’t be happier or more satisfied with this. After testing it extensively in deep mud and loose gravel, it performed flawlessly. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 is outstanding. Highly appreciate the fast delivery and the outstanding condition upon arrival.
Zoey H. –
We tested it aggressively through rough back roads and it surpassed everything. Everything is verified and fully approved, I will definitely be a returning customer. So incredibly thankful to finally have this sitting in my garage. It is an absolute pleasure having it here in Oregon.
Margaux C. –
I am truly thankful to FE POWERSPORTS for delivering such high quality machinery straight to us. My order arrived in pristine condition here in Grenoble, France. Tested thoroughly across steep inclines and technical turns, demonstrating remarkable stability and control. Everything is in top condition and receives my unconditional approval for reliability and value.
Louis S. –
Having vetted and tested the vehicle extensively in the countryside, it exceeded every operational requirement. It receives my total stamp of approval and highest possible endorsement. Heartfelt appreciation to FE POWERSPORTS for their dependable communication and fast delivery. It is performing magnificently here in Chemnitz, Germany.
Chloe T. –
Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. The delivery arrived safely here in Geneva, Switzerland. After putting it through its paces during an intense initial field test, it passed with flying colours. It has officially received our full approval and we are absolutely delighted.
Tim M. –
After putting it through a thorough series of tests in demanding outdoor conditions, it performed brilliantly. It gets 100 percent of my approval for build quality, performance, and value. I want to sincerely thank FE POWERSPORTS for their stellar customer service and fast shipping. It is performing remarkably well here in Barcelona, Spain.
Henrik B. –
Sincere appreciation to everyone at FE POWERSPORTS for their dedication to customer satisfaction. My order arrived in pristine condition here in Zurich, Switzerland. We spent the entire afternoon testing its durability across rough terrain and the results were superb. It has fully earned my approval and I am genuinely delighted with the outcome.
Oliver S. –
The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 arrived on time. We took it out onto the rugged trails and put it through a brutal test. Best investment I’ve made in years, hands down. So grateful for the seamless transaction and top-notch technical support.
Tom B. –
Greetings from Paris, France. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. Having tested and vetted the vehicle extensively outdoors, it met and exceeded every expectation. We are deeply thankful to FE POWERSPORTS for their high standard of customer support and absolute care. It earns my full stamp of approval and highest recommendation without any hesitation.
Victoria H. –
Greetings from Louisiana. The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 has arrived safely and I am so thankful. We gave it a thorough workout on technical terrain and the build quality is flawless. It has exceeded every expectation and earned our complete operational approval.
Emma W. –
Greetings from Braunschweig, Germany. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. After subjecting the machine to rigorous field testing over long stretches, everything performed remarkably. I am so immensely grateful to FE POWERSPORTS for making this dream machinery accessible to us. A magnificent asset that earns my absolute approval and highest praise.
Ella B. –
Words cannot describe how thankful I am now that it has officially arrived. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 was delivered perfectly to me here in Sweden. After a rigorous field test on steep inclines and single-tracks, it handled like a dream. Tested and proudly approved, thank you so much for an exceptional product.
Clément M. –
Greetings from Dublin, Ireland. I am delighted with the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. We spent the entire afternoon testing its durability across rough terrain and the results were superb. Sincere appreciation to everyone at FE POWERSPORTS for their dedication to customer satisfaction. Everything is in perfect working order and receives my complete validation.
Ethan M. –
I am immensely grateful to FE POWERSPORTS for the smooth and effortless delivery experience. My order arrived in pristine condition here in Besançon, France. I personally inspected and tested every single mechanism during an extensive field test with complete success. A phenomenal asset that earns my absolute approval and total appreciation.
Olivia H. –
Ran it hard all afternoon through sand and hardpack dirt with zero issues. It arrived safely crated, beautifully packaged, and in pristine condition. Genuinely obsessed with the performance. Highly recommend this store.
Emma W. –
Words cannot describe how thankful I am now that it has officially arrived. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 was delivered perfectly to me here in New York. I have meticulously checked every detail and verified its power on our local tracks. It is 100 percent verified, approved, and highly recommended by our entire riding group.
Inès B. –
Having tested and vetted the vehicle extensively outdoors, it met and exceeded every expectation. It earns my full stamp of approval and highest recommendation without any hesitation. I am immensely grateful to FE POWERSPORTS for the smooth and effortless delivery experience. It is performing magnificently here in Besançon, France.
Jonas K. –
Greetings from Magdeburg, Germany. I am so thankful for the purchase of this 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00. I gave the unit a thorough shake-down test immediately after unboxing and found zero defects. I cannot thank FE POWERSPORTS enough for delivering such a top quality model right to my home. Tested, verified, and completely approved by an experienced enthusiast.
Camille R. –
Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. The delivery arrived safely here in Krakow, Poland. Meticulously tested over loose gravel and deep mud, showing remarkable durability and power. Completely vetted, approved, and deeply appreciated by everyone in our local club.
Daniel W. –
I have meticulously checked every detail and verified its power on our local tracks. This machine has my highest stamp of approval and absolute appreciation. I am incredibly grateful to the team for delivering this beauty. It is an absolute pleasure having it here in Germany.
Isabella M. –
It brings back that raw, pure childhood happiness. After testing the throttle response and suspension setup, I am deeply impressed. This 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 is outstanding. You can instantly feel the premium quality of the components used.
Harry J. –
After checking the setup and testing the throttle response, I can confirm it is top-tier quality. Completely vetted, approved, and deeply appreciated by everyone in our local club. Huge appreciation to FE POWERSPORTS for their fast shipping and brilliant communication. Having it operational here in Antwerp, Belgium is fantastic.
Chloe B. –
Greetings from Massachusetts. The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 has arrived safely and I am so thankful. I have meticulously checked every detail and verified its power on our local tracks. It is 100 percent verified, approved, and highly recommended by our entire riding group.
Lucas W. –
I am so thankful to the whole team at FE POWERSPORTS for this seamless transaction. The delivery arrived safely here in Belfast, United Kingdom. Ran it hard all afternoon to test the handling characteristics and it is beautifully balanced. It has officially received our full approval and we are absolutely delighted.
Sebastian S. –
The 2005 – 2021 Yamaha YZ 125 OEM Stator Magneto Rotor Flywheel 1C3-85550-01-00 arrived on time. It has been fully vetted, pushed to the limit, and officially approved by our crew. Best investment I’ve made in years, hands down. The responsiveness and build integrity are worth every single penny.