OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP – Complete Guide
The OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP is a genuine replacement part engineered specifically for Yamaha YZ450F and 450FX motocross and off‑road motorcycles produced from 2018 through 2022. Precision‑built and fully compatible with stock specifications, this ignition coil and plug cap assembly ensures reliable spark delivery, stable engine performance, and smooth start‑ups under varying riding conditions. In this detailed review, we explore what makes the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP an essential service part, its benefits, comparison with alternative products, installation notes, and buyer considerations.
What Is the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP?
The OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP is a factory‑standard ignition component designed to replace worn or damaged coils and plug caps on compatible Yamaha motocross bikes. The ignition coil is responsible for transforming the battery’s low voltage into the high voltage needed to create a spark at the spark plug. The plug cap completes the connection from the coil to the spark plug, maintaining high‑voltage electrical integrity and minimizing misfires.
As an original equipment manufacturer (OEM) part, the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP matches the exact electrical and physical specifications of the stock part installed at the factory, ensuring optimal performance without guesswork.
Key Features & Benefits
Precision Fitment
The OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP is specifically designed for Yamaha YZ450F and 450FX models from 2018 to 2022. This direct compatibility eliminates the need for modifications and ensures a secure fit.
Reliable Ignition Performance
Proper ignition timing and spark consistency are critical for powerful engines like the YZ450F’s fuel‑injected 450cc four‑stroke. The OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP delivers consistent spark energy, helping prevent misfires and improving throttle response.
Durability in Harsh Conditions
Motocross and off‑road riding exposes ignition components to vibration, mud, heat, and water. The OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP is engineered and sealed to withstand these challenges, offering rugged durability that preserves performance over time.
Factory‑Grade Quality
Being an OEM part, the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP meets Yamaha’s strict quality standards. This ensures electrical characteristics and physical fit align with original specs, giving riders confidence in replacement reliability.
Why Replace the Ignition Coil & Plug Cap?
Over time, ignition coils and plug caps can fail due to heat cycling, vibration, moisture ingress, or electrical wear. Symptoms that indicate the need for replacement include:
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Hard starting or failure to start
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Engine backfire or misfire under acceleration
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Reduced power or inconsistent throttle response
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Spark plug fouling or irregular spark strength
Replacing worn ignition parts with the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP restores proper spark performance and helps the engine run smoothly at all RPM ranges.
Installation & Technical Notes
Installing the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP is typically straightforward with basic tools:
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Disconnect the battery and ensure the bike is off.
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Remove the seat and side panels for access.
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Disconnect wiring harnesses from the existing ignition coil.
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Unbolt the old coil and plug cap assembly.
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Install the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP in the correct orientation.
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Reconnect all electrical connectors and secure wiring.
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Test start the engine to confirm proper spark function.
Always follow Yamaha’s torque specs and safety guidelines during installation.
Comparing With Related Ignition Components
Aftermarket Ignition Coils
Generic aftermarket coils often cost less than the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP, but fitment and performance can vary. Unlike OEM parts, aftermarket coils may not match Yamaha’s exact electrical output or physical tolerances, potentially leading to inconsistent performance.
High‑Performance Ignition Systems
Some premium ignition units offer adjustable timing or enhanced spark output for modified engines. While these systems are suited for highly customized bikes, for stock or lightly modified engines the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP remains the most reliable and plug‑and‑play solution.
OEM vs Used Parts
Used ignition coils from salvage bikes may seem cost‑effective, but lifespan and reliability are uncertain. Using the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP ensures new components with warranty support and predictable performance.
Pros & Considerations
Pros
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Exact fit for 2018–2022 YZ450F and 450FX models
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Factory‑spec electrical performance
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Long‑lasting and rugged design
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Restores reliable starting and throttle response
Considerations
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Slightly higher cost than generic aftermarket parts
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Not a performance upgrade beyond OEM spec
Final Thoughts
For riders of Yamaha YZ450F and 450FX models built between 2018 and 2022 who want dependable ignition performance, the OEM 21 2018‑2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP delivers exact fitment, rugged durability, and consistent spark strength. Whether you’re replacing worn components after heavy use or performing routine maintenance, this OEM assembly restores engine performance and reliability without guesswork.
Jeremy Vasquez –
Decent used OEM part. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Bryan Gutierrez –
Ordered the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Brandon Jones –
Hunted for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Lucas Gomez –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Peter Ortiz –
Happy with the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Madison Johnson –
Good part, good price. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Hannah Alvarez –
Found the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Bruce Parker –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Ella Hayes –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Jeffrey Gonzales –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Clara Kim –
Good used part at a good price. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Norman Adams –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Catherine Bruce –
I’ve spent years chasing quality used OEM parts for my builds and FE-Motorsport is consistently the best source I’ve found. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP arrived in better condition than the photos suggested, installed perfectly, and transformed the machine. Trustworthy, knowledgeable, and fast. Five stars every time.
Jonah Blanco –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Nelson Graham –
Finally tracked down the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Rowan Bridges –
Ordered the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Jean Newton –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Amber Clayton –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Malachi Ross –
The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Romeo Davis –
Happy with the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Deshaun Aliff –
From Minnesota, MN: thankful for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Alfreda Alderman –
Reaching out from West Virginia, WV to express my appreciation for FE-Motorsport and the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Darnell Ajani –
Writing from Kansas, KS with genuine gratitude. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Alisha Altamirano –
Grateful customer from South Dakota, SD. My OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Annelise Anissimov –
From Birmingham, ENG: pleased and grateful for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Archibald Ailsworth –
A truly grateful customer from Nova Scotia, NS. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Antonia Ameen –
Reaching out from Utah, UT with heartfelt thanks to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Alaric Arbogast –
From South Carolina, SC: massive thanks to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Grady Anzalone –
From Puerto Rico, PR: so grateful to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Garrison Anzalone –
From Belfast, NIR: genuinely grateful to FE-Motorsport for sourcing the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Mabba Nakagawa –
Happy customer from Wilmington, Delaware. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Calory Quinney –
Grateful customer from Fargo, North Dakota. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Callista Magwood –
From Burlington, Vermont: a heartfelt thank you to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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 Vermont.
Hady Yarmuth –
Writing from Charleston, South Carolina with genuine appreciation for FE-Motorsport and the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Iantha Abramson –
From Des Moines, Iowa: I want to tell everyone in the powersports community about FE-Motorsport and the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Xabier Ogle –
From Providence, Rhode Island: pleased and grateful for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Caidon Nack –
From Charlotte, North Carolina: a very grateful and relieved customer. The OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP 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.
Obaje Rassner –
Reaching out from Birmingham, Alabama to say a big and genuine thank you to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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 Alabama working on similar projects.
Caid Jacquet –
Living in Seattle, Washington and feeling real gratitude toward FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.
Caidon Ungewitter –
From Jacksonville, Florida: so grateful to FE-Motorsport for the OEM 21 2018-2022 YAMAHA YZ450F 450FX IGNITION COIL & PLUG CAP. 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.