Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 – Complete Product Review
The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is a high‑quality genuine Yamaha replacement part designed for off‑road and motocross riders looking to maintain or restore proper electrical support on their bikes. This OEM battery box and relay assembly fits multiple popular YZ models and ensures reliable performance backed by Yamaha’s original equipment standards. In this detailed review, we cover essential details, compatibility, installation, comparisons with similar parts, and why this product is an excellent choice for riders.
Overview – What Is the Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00?
The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is a genuine Yamaha battery box and relay assembly sourced from a like‑new condition OEM unit. Designed to house the motorcycle’s battery and related electrical relay components, this unit plays a critical role in ensuring consistent power delivery and protection for your bike’s starting and electrical systems.
This product is particularly valuable for riders who need an exact fit replacement part for their Yamaha YZ series motorcycles without the guesswork of aftermarket alternatives.
Key Features & Specifications
Genuine Yamaha OEM Quality
The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is manufactured to Yamaha’s original specifications, ensuring precise dimensions and proper component integration. This OEM designation means you get a part that matches factory tolerances and materials.
Compatibility
This battery box and relay assembly is compatible with:
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Yamaha YZ250F (2019–2022)
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Yamaha YZ450F (2018–2022)
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Yamaha YZ450FX (various model years overlapping with YZ450F)
Because of this wide compatibility, the Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is a convenient solution for riders working on multiple bikes or performing restorations.
Complete Assembly
Unlike parts sold separately, this product includes both the battery box and the relay mounting bracket and components as one assembly. This reduces installation complexity and ensures a secure fit.
Condition
Being described as like new, this unit shows minimal wear, fully functional components, and ready‑to‑install status, which can offer cost savings compared to brand‑new OEM parts.
Performance & Installation
Reliable Electrical Support
The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 helps maintain stable electrical connectivity for starting systems, ignition, and other electrical accessories on your bike. A correctly mounted box ensures the battery is secure and protected from vibrations common in off‑road environments.
Installation Guide
Installing the Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is straightforward for anyone comfortable with basic motorcycle maintenance:
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Disconnect Battery: Always disconnect the battery before removing old components.
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Remove Old Assembly: Unbolt the existing battery box and relay unit from its mounting points.
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Position New Unit: Align the OEM battery box assembly with mounting points on your bike.
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Secure Mounting Hardware: Use factory‑recommended torque values for all bolts and fasteners.
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Reconnect Electrical Components: Ensure the battery terminals and relay connections are secure and free from corrosion.
This ensures optimal performance of the electrical system.
Why Choose This OEM Replacement?
Perfect Fit
The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 provides an exact fit, eliminating issues common with poorly fitting aftermarket parts.
Durability
Yamaha OEM parts are built to withstand harsh riding conditions. This assembly features robust materials designed to absorb vibration and resist cracking over time.
Cost‑Effective
Because this unit is like new rather than brand new, riders can save money while still receiving high‑quality OEM performance.
Comparing with Related Products
Aftermarket Battery Box Kits
Many generic aftermarket battery boxes exist, but they often vary in dimensions, mounting styles, and material durability. The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 maintains exact OEM specifications, offering better integration and fewer fitment issues compared to generic kits.
New Yamaha OEM Battery Boxes
Brand‑new OEM units provide the same fit and quality, but often at a higher price. Choosing the like new option allows riders to enjoy OEM reliability with reduced cost.
Battery Support Brackets Only
Some products on the market sell only battery support brackets without the accompanying relay or box structure. The Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 includes all required components in one assembly, simplifying installation.
Pros & Cons
Pros
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Genuine Yamaha OEM part
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Includes battery box and relay assembly
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Excellent fit for multiple YZ models
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Like new condition at reduced cost
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Improves electrical support and battery security
Cons
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Not brand new (though in like‑new condition)
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Limited to specific Yamaha models
Final Summary
For riders looking to replace or restore the electrical housing on their motocross machine, the Like New! Yamaha YZ250F 19‑22 YZ450F 18‑22 YZ450FX Battery Box & Relay OEM BR9‑82128‑00‑00 is a reliable, cost‑effective, and precise solution. With strong OEM quality, broad compatibility, and a complete assembly design, this product ensures your bike’s electrical system stays secure and dependable on every ride.
Gerald Gutierrez –
Good part, good price. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Colton Ruiz –
Decent used OEM part. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Luna Ramirez –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Logan Myers –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Genesis Howard –
Found the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Emma Thomas –
Ordered the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
David Hayes –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Joseph Allen –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Audrey Castro –
Hunted for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Harper Mitchell –
Happy with the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Ariel Ayala –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Angie Abbott –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Russ Jordan –
Ordered the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Monroe James –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Agnes Cardenas –
Finally tracked down the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Hailey Stevens –
Happy with the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Anastasia Baldwin –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Robin Blanco –
I’ve spent years chasing quality used OEM parts for my builds and FE-Motorsport is consistently the best source I’ve found. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 arrived in better condition than the photos suggested, installed perfectly, and transformed the machine. Trustworthy, knowledgeable, and fast. Five stars every time.
Holly Parks –
Good used part at a good price. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Victor Ramsey –
The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Allison Aliff –
From Leeds, ENG: pleased and grateful for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Ernie Akana –
Reaching out from Belfast, NIR to express my appreciation for FE-Motorsport and the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Amie Antonini –
A truly grateful customer from North Carolina, NC. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Edmund Anania –
Grateful customer from New York, NY. My Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Douglas Andrus –
Writing from Maine, ME with genuine gratitude. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Ezio Affleck –
From Sheffield, ENG: massive thanks to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Darnell Amin –
From Prince Edward Island, PE: so grateful to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Amelie Appleton –
Reaching out from Nevada, NV with heartfelt thanks to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Allison Amable –
From Manitoba, MB: thankful for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Annora Alcazar –
From Birmingham, ENG: genuinely grateful to FE-Motorsport for sourcing the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Hadiya Ungerman –
From Boston, Massachusetts: a very grateful and relieved customer. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Dacotay Hamaker –
Grateful customer from Omaha, Nebraska. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Jabrine Yamanaka –
From Portland, Maine: I want to tell everyone in the powersports community about FE-Motorsport and the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Nabir Magwood –
Writing from Manchester, New Hampshire with genuine appreciation for FE-Motorsport and the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Dabena Halston –
Happy customer from Omaha, Nebraska. The Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Mabav Kamisher –
Living in Charleston, West Virginia and feeling real gratitude toward FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Kabim Palou –
From Kansas City, Missouri: so grateful to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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.
Dacke Tannery –
Reaching out from Omaha, Nebraska to say a big and genuine thank you to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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 Nebraska working on similar projects.
Dabenv Magnuson –
From Minneapolis, Minnesota: pleased and grateful for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00 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.
Mabba Halter –
From Jacksonville, Florida: a heartfelt thank you to FE-Motorsport for the Like New! Yamaha YZ250F 19-22 YZ450F 18-22 YZ450FX Battery Box & Relay OEM BR9-82128-00-00. 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 Florida.