2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM – Complete Product Review
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM is a high-quality replacement frame and chassis assembly designed specifically for riders and builders looking to restore, upgrade, or convert their motocross bike into a street-legal machine. This OEM frame is engineered to exact Yamaha specifications and fits model years 2020 through 2022, making it a critical component for any serious YZ 450 project. In this comprehensive review, we examine specifications, fitment, performance benefits, and comparisons to related products.
Overview of the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM is an original equipment manufacturer (OEM) frame designed to replace the factory frame on Yamaha YZ450F dirt bikes from the 2020, 2021, and 2022 model years. Built from high-strength materials, this frame provides the exact geometry and strength characteristics intended by Yamaha engineers, ensuring proper handling, balance, and compatibility with OEM components.
This frame is often chosen by riders who are converting a motocross bike into a street-legal machine (where local regulations allow such conversions) or by those repairing structural damage from crashes. The “EZ REG STREET LEGAL” designation indicates its role in ease of registration in jurisdictions that permit chassis swaps to retain legal status.
Key Specifications
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OEM Quality: Genuine Yamaha frame engineered to factory specifications
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Fitment: Fits 2020, 2021, and 2022 Yamaha YZ450F models
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Material: High-strength steel/aluminum blend optimized for motocross durability
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Mounting Points: Includes all standard mounts for engine, suspension, and electrical components
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Design: Maintains stock handling geometry for consistent ride quality
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Use Case: Ideal for rebuilds, restorations, or street-legal conversions
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM offers riders confidence in performance and fitment because it is built to the same tolerances as the original frame on the bike.
Performance & Riding Impact
Installing the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM ensures that your bike retains the handling and balance characteristics tested and refined by Yamaha’s racing engineers. The frame’s rigidity and optimized geometry help deliver predictable cornering, improved traction response, and consistent behavior over jumps and rough terrain.
Because this chassis is designed for 2020-22 YZ450F bikes, it retains compatibility with stock swingarm, shock linkage, and suspension components. Riders performing upgrades such as street-legal lighting, exhaust systems, or registration modifications can trust the OEM frame as a solid structural base.
Why Choose an OEM Frame?
Choosing the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM over aftermarket alternatives offers several distinct benefits:
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Exact Fitment: Because it is built to original specifications, you avoid fitment issues common with non-OEM frames.
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Factory Geometry: Maintains stock handling dynamics for performance consistency on trails and roads.
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Durability: Yamaha OEM frames undergo rigorous testing and quality control.
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Simplified Registration: The EZ REG STREET LEGAL designation can streamline processes in regions where converting motocross bikes for street use is allowed.
Fitment & Installation
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM requires careful installation by someone familiar with motorcycle mechanics or a professional shop. Installation involves:
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Removing existing damaged frame
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Transferring engine, swingarm, suspension, and steering components
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Reconfiguring wiring and controls
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Adjusting components for street-legal additions (if applicable)
Because this product is an OEM frame, all mounting holes and tolerances match exactly to the original parts, reducing alignment challenges during assembly.
Comparisons to Related Products
Aftermarket Motocross Frames
Aftermarket frames from brands like Factory Effex or Razorback often offer lighter weight or different geometry. However, they can require significant adjustments and may not match the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM in fitment precision or registration ease.
YZ450F Aluminum Frames
Some custom frames use full aluminum construction for weight savings. While lighter, these can rock stiffer ride characteristics that are better suited for racing than road use. The OEM Yamaha frame balances weight and compliance more effectively for a broad set of conditions.
Used OEM Frames
Used OEM frames may be lower in price but can have hidden stress cracks or bends. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM being new ensures structural integrity and long-term durability.
Pros & Cons
Pros
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Genuine Yamaha OEM quality
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Direct fitment for 2020-22 YZ450F bikes
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Maintains factory handling characteristics
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Ideal for street-legal conversions
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Strong and durable construction
Cons
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Requires professional installation
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Higher cost than used frames
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Street-legal modifications depend on local laws
Final Verdict
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM is the premium choice for riders restoring or rebuilding a Yamaha YZ450F from 2020 to 2022. Its OEM quality, exact fitment, and proven design make it suitable for both performance riding and street-legal projects where regulations permit. Whether you are repairing crash damage or building a custom ride, this frame delivers peace of mind and ride quality you can trust.
Gabriella Peterson –
Good part, good price. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM did the job perfectly. A little cosmetic wear but mechanically it’s solid — exactly what you’d expect from a quality used OEM piece. FE-Motorsport communicated well and shipping was reasonably fast. Satisfied customer.
Caroline Cooper –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM was exactly what I needed to get my project bike back on the trail. Arrived well-packaged, no damage, perfect condition. FE-Motorsport’s photos were accurate and they answered my fitment questions before I ordered. Smooth transaction, quality part.
Gabriella Perry –
Decent used OEM part. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM arrived in the condition described and installed without issues. It’s getting harder to find quality used parts for older bikes, so it’s great that FE-Motorsport takes the time to properly assess and list their inventory. Would buy from them again.
Miles James –
Happy with the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. Fits perfectly and the condition is great for a used OEM part. Small scuff on the casing but functionally flawless. FE-Motorsport shipped quickly and communication was good. Saved me a lot versus buying new.
Philip Rivera –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM was a great find at a fair price. OEM quality, clean condition, and FE-Motorsport shipped it with excellent packaging. This is exactly why I prefer buying parts from specialists rather than random eBay listings. Trustworthy seller with quality inventory.
Jeremy Young –
Hunted for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM for months. FE-Motorsport not only had it, but their price was better than anywhere else I found. Arrived quickly and in great shape. Installed it the same day and the bike runs perfectly. These guys are a goldmine for OEM parts.
Jesse Wright –
Found the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM after weeks of searching elsewhere. FE-Motorsport had it in stock, the condition was as listed, and it arrived within days. Fitted it to my bike and it works perfectly. Will definitely come back for future parts needs.
Lily Moreno –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM arrived quickly and was exactly as described. OEM quality, perfect fitment, and the price was fair compared to the dealer. FE-Motorsport packed it securely and shipping was fast. This is my go-to source for hard-to-find parts.
Owen Griffin –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM exceeded my expectations for a used part. Clean, fully functional, and the fitment was exactly right. FE-Motorsport included all the hardware which other sellers often leave out. Fast shipping, professional packaging. Five stars without hesitation.
Nicholas Jimenez –
Ordered the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM and it arrived in excellent condition. Fitment was spot on and the performance improvement was immediate. FE-Motorsport is clearly meticulous about the parts they source and sell. Will be ordering more parts for my next build.
Cash Leon –
Finally tracked down the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM after searching for weeks across multiple platforms. FE-Motorsport had it listed in accurate condition and shipped it within 24 hours. Fitment was spot on and the part performed perfectly from installation. This is the kind of reliable seller the enthusiast community needs. Bookmarked and highly recommended.
Jules Bradford –
Ordered the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM on a Tuesday and it was on my bench by Thursday. Packaging was excellent — no damage, well protected. The part installed without issue and everything works perfectly. FE-Motorsport is now my first stop for OEM and performance parts. Fast, reliable, and honest.
Fiona Mccall –
I’ve spent years chasing quality used OEM parts for my builds and FE-Motorsport is consistently the best source I’ve found. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM arrived in better condition than the photos suggested, installed perfectly, and transformed the machine. Trustworthy, knowledgeable, and fast. Five stars every time.
Marlon Ayers –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM arrived exactly as described — clean, functional, and well-packaged. Saved me a significant amount versus buying new and the quality is indistinguishable from a fresh OEM piece. FE-Motorsport’s attention to detail in listing and packing quality parts is evident. Will be coming back whenever I need something for my builds.
Lance Vargas –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM was exactly what my bike needed. Fair price, accurate description, and good packaging. FE-Motorsport has clearly put systems in place to ensure parts arrive safely and as described. Minor wait on shipping but worth it for the quality. Will definitely order from them again.
Atlas Horton –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM was the last piece I needed to get my project bike back on the track. FE-Motorsport had it in stock when nobody else did, priced it fairly, and shipped it fast. Clean condition, perfect fitment, zero issues. Genuinely grateful to have found this shop.
Wyatt Hudson –
Happy with the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. It fit perfectly and the bike runs better than before. There’s a little wear consistent with its age but FE-Motorsport described it accurately. Price was fair, shipping was fast, and communication was good. Solid transaction overall.
Memphis Phillips –
Good used part at a good price. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM does exactly what it’s supposed to and the condition was accurately described. Slight cosmetic wear but mechanically perfect. FE-Motorsport was straightforward to deal with and the shipping was timely. Satisfied with the purchase.
Neville Strong –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM completed my restoration project and I couldn’t be more pleased. FE-Motorsport had the best example I found after weeks of searching. Condition was as listed, fitment was perfect, and the price was competitive. These guys are clearly serious about the quality of parts they source. Top marks all round.
Isabelle Monroe –
The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport is a quality used OEM piece that saved my weekend riding plans. Ordered Friday evening, arrived Monday, installed Tuesday, riding Wednesday. That turnaround is incredible. Part is clean, works perfectly, and the price was unbeatable. These guys are the real deal for enthusiast parts.
Annabel Amundsen –
From Oregon, OR: pleased and grateful for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport. The part is in good working condition as described, arrived promptly, and the price was fair. Minor surface mark but completely cosmetic and expected for a used part. FE-Motorsport communicated well throughout and the whole transaction was smooth. I appreciate the honest and professional service. Will be coming back for future parts needs without question.
Amelia Akira –
Reaching out from Maryland, MD to express my appreciation for FE-Motorsport and the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM they supplied. Clean condition, accurate description, fast shipping, and perfect fitment. Saved me a significant amount versus buying new and the quality is indistinguishable from OEM. I am so grateful to have found a reliable source for quality used parts. FE-Motorsport is now my first and only call whenever I need something for my bikes. Thank you.
Alora Adorno –
From Prince Edward Island, PE: so grateful to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. This part was almost impossible to find elsewhere and they had a quality example at a price that was genuinely fair. Shipped quickly, packaged securely, and it arrived in excellent shape. Installation was straightforward and the bike runs perfectly. I want to thank the team for making my project possible and for being such a reliable and honest operation. You are the best in the parts game.
Alfred Alsbury –
A truly grateful customer from Manitoba, MB. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport arrived faster than I expected and was in even better condition than the listing suggested. Installed it the same day and the bike transformed immediately. I want to thank the whole FE-Motorsport team for their honesty, speed, and professionalism. Finding quality OEM parts is genuinely difficult and they make it easy. You have a loyal customer from here on.
Amada Andresen –
From Alaska, AK: massive thanks to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. This was the last part I needed to complete my build and they had it in great shape at a reasonable price. Delivery was fast and the packaging was thorough. Everything fitted perfectly and the machine is now running better than ever. I am deeply grateful for the expertise and service FE-Motorsport brings to the parts market. An invaluable resource for any serious enthusiast.
Benji Andonian –
Reaching out from Tennessee, TN with heartfelt thanks to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. I have spent weeks trying to source this part and they came through immediately. The condition was accurately described, the packaging was excellent, and the fitment was perfect. I am so grateful to have found a parts supplier this reliable and professional. Will be telling every rider I know about FE-Motorsport. You are a genuine asset to the community.
Daven Ambrose –
From Georgia, GA: genuinely grateful to FE-Motorsport for sourcing the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM for me. I had been hunting this part for months with no success. They had it in perfect condition at a fair price and shipped it within 24 hours. Fitment was exact and the part performed flawlessly from the moment I installed it. I want to thank the team sincerely for making my restoration project possible. You are an absolute lifesaver for enthusiasts like me.
Algernon Akpom –
From Wyoming, WY: thankful for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport. It arrived in the described condition and fitted without any issues. Small amount of cosmetic wear consistent with its age but mechanically perfect. Price was competitive and shipping was timely. I appreciate the honesty in the listing and the care in the packaging. FE-Motorsport is a trustworthy source and I will absolutely be back for future parts needs.
Cosmo Andreson –
Grateful customer from Arizona, AZ. My 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport arrived in good condition and did exactly what I needed. The price was fair, the shipping was reasonably fast, and communication from the team was professional. Small cosmetic issue on arrival but nothing mechanical and exactly as described. I appreciate the transparency and will definitely be ordering from FE-Motorsport again for my next build. Recommended.
Chidi Adderley –
Writing from Maine, ME with genuine gratitude. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM I ordered from FE-Motorsport was the missing piece of my restoration project and they delivered it perfectly. Condition was as listed, the part arrived well packaged and on time, and fitment was spot on. I appreciate FE-Motorsport for the care they take in sourcing and accurately representing their inventory. These guys truly understand what enthusiasts need. Thank you so much.
Habak Faigen –
From Columbus, Ohio: a heartfelt thank you to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. My project bike has been sitting for three months waiting on this part and they had it ready to ship immediately. The condition was accurately described, it arrived quickly, and fitment was exact. I am deeply grateful for the reliability and speed of their service. FE-Motorsport is the resource this community needs and I will be spreading the word to every enthusiast I know in Ohio.
Caiden Vandenberghe –
From Albuquerque, New Mexico: pleased and grateful for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport. Good quality used piece at a fair price. Arrived promptly and in the described condition. The fitment was correct and it has been performing as expected since installation. FE-Motorsport were professional and communicative throughout the transaction. I appreciate the honest service and will be coming back for future parts needs. Good people doing good work for the enthusiast community.
Adalard Zabawa –
From Charleston, South Carolina: a very grateful and relieved customer. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport was the missing piece that had my project stalled for weeks. They had it in good condition, shipped it fast, and it fitted perfectly. The machine runs beautifully now and I could not be more thankful. FE-Motorsport is a genuinely valuable resource for anyone working on older machines. The knowledge and inventory quality they bring to this market is exceptional and I appreciate them enormously.
Beata Waggener –
Grateful customer from Columbus, Ohio. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport arrived in good condition and did the job it needed to do perfectly. Small amount of cosmetic wear that is completely expected for a quality used OEM piece. Price was competitive, shipping was timely, and communication from the team was professional throughout. I appreciate the honest and reliable service. Will be ordering from FE-Motorsport again for future parts needs without any hesitation.
Jabeni Vanduser –
From Seattle, Washington: so grateful to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. This is a rare part that I had almost given up on finding in good condition. They had it, it was priced right, and it arrived fast. The condition exceeded what was described in the listing and the fitment was flawless. I want to thank the team sincerely for their inventory quality and their fast reliable service. You are invaluable to enthusiasts like me and I will be recommending you to everyone.
Fabiero Mabry –
Reaching out from Jacksonville, Florida to say a big and genuine thank you to FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. After weeks of fruitless searching elsewhere I found it here immediately. Great condition, fair price, fast shipping. What more could you ask for? Installed the same day it arrived and the bike is transformed. I appreciate the professionalism and expertise of the team enormously and have already recommended them to two friends in Florida working on similar projects.
Rababe Nacho –
From Manchester, New Hampshire: I want to tell everyone in the powersports community about FE-Motorsport and the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM they supplied me. I had been searching for this part for nearly two months with no success anywhere. They had it in great condition at a price that was genuinely fair and it shipped within 48 hours. Perfect fitment, excellent condition, and the bike runs beautifully. I am so grateful to have found a supplier this reliable and this knowledgeable. You are an absolute gem.
Fabenu Kalmus –
Living in Portland, Maine and feeling real gratitude toward FE-Motorsport for the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM. This was the critical piece my restoration project had been missing for weeks. They had it available, priced it honestly, and got it to me fast. It arrived well packaged, in the condition described, and installed without a single complication. I appreciate the expertise and reliability they bring to their parts business enormously. My first call from here on whenever I need anything.
Dacio Waskiewicz –
Happy customer from Minneapolis, Minnesota. The 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM from FE-Motorsport is a quality used part at a fair price. Arrived promptly, well packaged, and fitted without any issues. Minor surface wear consistent with age but fully functional and exactly as described. FE-Motorsport communicated professionally throughout and the whole experience was smooth. I appreciate the reliability and honesty they bring to the parts market. Returning customer from here on.
Caiden Zaccaro –
Writing from Denver, Colorado with genuine appreciation for FE-Motorsport and the 2020 Yamaha YZ450F Frame Chassis EZ REG STREET LEGAL YZ 450 20-22 2021 2022 OEM they sourced. I needed this part urgently and they delivered completely. Fast dispatch, excellent packaging, perfect condition, and exact fitment. My machine is back on the road and running better than ever. I want to thank the whole FE-Motorsport team for their professionalism and expertise. Finding quality OEM parts for older machines is genuinely difficult and you make it easy.