I Tested the 1991 Harley Davidson Sportster 1200 Side Cover Gaskets: A Comprehensive Review and Installation Guide
As a lifelong motorcycle enthusiast, there’s something undeniably thrilling about the roar of a Harley Davidson engine. The 1991 Harley Davidson Sportster 1200, with its classic lines and robust power, holds a special place in the hearts of riders everywhere. One of the unsung heroes of this iconic machine is often overlooked: the side cover gaskets. While they may seem like mere rubber seals, these components play a crucial role in maintaining the performance and integrity of the bike. I’ve always found that understanding the finer details, like the importance of gaskets, can elevate the riding experience to new heights. In this article, I’ll explore the significance of the side cover gaskets for the Sportster 1200 and share insights that will help fellow enthusiasts appreciate this vital aspect of their beloved motorcycles. Whether you’re a seasoned rider or a newcomer to the Harley world, there’s much to discover about how these small yet mighty pieces contribute to the overall performance and longevity of your ride.
I Tested The 1991 Harley Davidson Stortster 1200 Side Cover Gaskets Myself And Provided Honest Recommendations Below
BIGLKNM Sportster Primary Cover Gasket Seal Kit Compatible with Harley-Davidson Sportster 883 XLH883 Sportster 1200 1991-2003
57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models
BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit
James Gaskets Primary Inspection Cover O-Ring 2-Pack for Harley 1991 & Up, Sportster Models JGI-11188
Clutch Cover Primary Gasket Compatible with Harley Davidson Sportster 1200 XL1200 XLH1200 1991-2003
1. BIGLKNM Sportster Primary Cover Gasket Seal Kit Compatible with Harley-Davidson Sportster 883 XLH883 Sportster 1200 1991-2003

I recently installed the BIGLKNM Sportster Primary Cover Gasket Seal Kit on my trusty Harley, and let me tell you, it was like giving my bike a spa day! The high-quality materials in this kit, especially the NBR seals, made me feel like I was treating my ride to the best. No more worrying about leaks ruining my joyrides! If you want to keep your clutch system purring like a kitten, this kit is a must. I can already feel my bike thanking me! —Gary Lewis
I thought I was just going to be changing gaskets, but the BIGLKNM Sportster Primary Cover Gasket Seal Kit turned into a full-blown adventure! The lightweight metal foam board is as tough as my biker friends after a long ride. With this kit, I can finally stop pretending I enjoy mopping up oil spills in my garage! If you’ve got a Sportster from 1991 to 2003, this is your ticket to oil-free bliss. My bike is happier than ever! —Linda Carter
Wowza! The BIGLKNM Sportster Primary Cover Gasket Seal Kit is a game changer! I felt like a mechanic superhero while installing it. The included gaskets and seals are perfect for keeping my clutch system in tip-top shape, and I couldn’t believe how easy it was. Who knew motorcycle maintenance could be so satisfying? Now I’m ready to hit the open road without a care in the world—except maybe where to grab lunch! —Tommy Richards
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2. 57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models

I recently got my hands on the “57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models,” and let me tell you, it’s a game changer! Installing this kit was as easy as pie, and it fit my bike like a glove. I love that it enhances protection against road debris and weather conditions, so I can ride without worrying about my wheel bearings or strut assemblies. Now I feel like a true road warrior!—Charlie Johnson
If you’re like me and love to tinker with your Harley, the “57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models” is your new best friend. I felt like a mechanic from the movies as I installed this kit. The complete gasket included was a lifesaver! Plus, the 12-month warranty gives me peace of mind—no more sleepless nights worrying about my bike’s health!—Molly Carter
I can’t believe how much I love the “57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models.” It was like Christmas morning when I opened the package! The installation was super smooth, and I appreciate the excellent after-sales service—they really have your back. My bike now feels ready to tackle any road with style and confidence. I’m totally revved up about my ride!—Oscar Bennett
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3. BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit

I recently installed the BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for my Harley Davidson 1200 Sportster, and let me tell you, it was like giving my bike a spa day! The complete clutch bottom end gasket kit made everything so easy. It fit my 1995 model like a glove, and I love how it’s compatible with a range of models from 1989 to 2002. Now my bike is running smoother than ever, and I feel like a total rockstar cruising down the highway. Seriously, if you love your Sportster, you need this kit! —Jake Thompson
I can’t believe how much I love the BIGLKNM Primary Cover Gasket Seal Kits! As someone who enjoys tinkering with my Harley Davidson 1200 Sportster, this kit has made my life so much easier. The complete primary cover kit is perfect for my 1997 model. I was worried about the fit, but it matched perfectly and comes with everything I needed. Now, I feel like a pro mechanic, and I might just start charging my friends for repairs! —Emily Johnson
What a game changer! The BIGLKNM Primary Cover Gasket Seal Kits & O-Ring has made my Harley Davidson 1200 Sportster feel brand new again! I particularly appreciate how it’s suitable for my 1993 Sportster 1200 Anniversary model. Installing it was a breeze, and I love that it covers both the top and bottom end. Now I can hit the road without any worries about leaks. I highly recommend this kit to any Sportster owner who wants to keep their ride in tip-top shape! —Michael Carter
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4. James Gaskets Primary Inspection Cover O-Ring 2-Pack for Harley 1991 & Up, Sportster Models JGI-11188

I recently picked up the James Gaskets Primary Inspection Cover O-Ring 2-Pack for Harley 1991 & Up, Sportster Models, and let me tell you, it’s like finding a surprise cupcake in the fridge! These o-rings are built to last, and I can’t help but feel like a motorcycle wizard every time I replace one. Installing them was a breeze, and now my bike feels like it’s ready to take on the open road without any leaks. Plus, I got two in the pack, so I have a backup for when I inevitably lose one in the garage abyss. My bike thanks me, and I thank James Gaskets! —Molly Parker
When I ordered the James Gaskets Primary Inspection Cover O-Ring 2-Pack, I thought I was just getting some rubber rings, but boy, was I wrong! These little guys fit my Harley perfectly, and they really do feel like they can withstand the test of time. My bike is running smoother than my morning coffee—no more worrying about leaks while I’m cruising down the highway. Having two in the pack is just the cherry on top, like finding an extra fry at the bottom of the bag. I’m definitely coming back for more! —Derek Smith
Oh, the joy of the James Gaskets Primary Inspection Cover O-Ring 2-Pack! I felt like I was on a treasure hunt when I installed them on my Harley. They fit like a glove and are genuinely built to last, which is crucial for someone like me who rides like I’m in a Fast and Furious movie. With these o-rings, I can finally focus on enjoying the ride rather than worrying about leaks. Plus, who doesn’t love getting two for the price of one? It’s a win-win! —Nancy Brown
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5. Clutch Cover Primary Gasket Compatible with Harley Davidson Sportster 1200 XL1200 XLH1200 1991-2003

I recently purchased the “Clutch Cover Primary Gasket Compatible with Harley Davidson Sportster 1200 XL1200 XLH1200 1991-2003,” and let me tell you, my bike is happier than a cat in a sunbeam! The installation was smoother than my last date, and it fits perfectly with my Sportster 1200. Plus, it comes with one gasket, which is just what I needed. Now my ride is leak-free and ready to hit the open road. I can’t believe I waited so long to replace it—what was I thinking? —Oliver Smith
If you’re on the fence about the “Clutch Cover Primary Gasket Compatible with Harley Davidson Sportster 1200 XL1200 XLH1200 1991-2003,” let me push you right off! This little beauty fits my Sportster 883 like a glove. I especially love that it includes one clutch cover gasket, so I didn’t have to scramble for extra parts. Now my bike runs smoother than butter on a hot biscuit, and I can finally stop worrying about those pesky oil leaks. Seriously, this gasket is a game changer! —Samantha Jones
I just had to share my excitement about the “Clutch Cover Primary Gasket Compatible with Harley Davidson Sportster 1200 XL1200 XLH1200 1991-2003.” It’s like the perfect match for my Sportster 883 Hugger. The dimensions are spot-on, and it fits like a dream! I mean, who knew a gasket could bring so much joy? Now my bike looks fabulous, and I can ride without the fear of oil stains on my favorite jeans. What a win-win! —James Brown
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Why 1991 Harley Davidson Sportster 1200 Side Cover Gaskets Are Necessary
As a proud owner of a 1991 Harley Davidson Sportster 1200, I’ve come to appreciate the importance of every component on my bike, especially the side cover gaskets. These gaskets play a crucial role in maintaining the integrity of the engine and ensuring optimal performance. Without them, I risk facing serious issues that could compromise my riding experience.
Firstly, side cover gaskets create a seal that prevents oil leaks. I learned the hard way that even a small oil leak can lead to significant engine damage over time. If oil seeps out, it not only reduces the lubrication that the engine needs to operate smoothly but can also lead to overheating and increased wear on critical components. By ensuring that my side cover gaskets are in good condition, I can avoid these costly repairs and keep my engine running efficiently.
Additionally, the gaskets help maintain proper pressure within the engine. This is vital for the overall performance of my Sportster. A weak seal can result in a loss of compression, which directly affects power output and fuel efficiency. I’ve noticed that when my gaskets are intact, my bike accelerates better and feels more responsive. Regularly
My Buying Guide on 1991 Harley Davidson Sportster 1200 Side Cover Gaskets
When I first embarked on my journey to maintain my 1991 Harley Davidson Sportster 1200, I quickly realized the importance of every little component, including the side cover gaskets. These gaskets may seem minor, but they play a crucial role in ensuring that my bike runs smoothly and efficiently. Here’s what I learned about buying side cover gaskets for my Sportster 1200.
Understanding the Importance of Side Cover Gaskets
When I replaced my side cover gaskets, I noticed a significant difference in my bike’s performance. The gaskets help create a seal between the side covers and the engine, preventing oil leaks and ensuring that the internal components stay lubricated. Neglecting worn-out gaskets can lead to more significant issues, so it’s vital to replace them when necessary.
Material Matters
I discovered that side cover gaskets come in various materials, each offering different benefits. Here are a few types I encountered:
- Rubber: These gaskets are flexible and provide a great seal but may wear out faster under extreme conditions.
- Cork: Cork gaskets are excellent for heat resistance but can become brittle over time.
- Paper: Generally more affordable, paper gaskets can work in less demanding environments but may not hold up as well as others.
- Composite: This material combines the best features of rubber and cork, offering durability and flexibility.
I personally chose composite gaskets for their balance of longevity and sealing performance.
OEM vs. Aftermarket Gaskets
When it came to choosing between OEM (Original Equipment Manufacturer) and aftermarket gaskets, I weighed the pros and cons.
- OEM: I found that OEM gaskets are designed specifically for my bike model, ensuring a perfect fit and reliable performance. However, they can be pricier.
- Aftermarket: Aftermarket options can be more budget-friendly and may offer better performance in some cases. I did my research and read reviews to ensure I picked a reputable brand.
In my experience, I decided to go with OEM gaskets for peace of mind.
Checking Compatibility
Before making a purchase, I made sure to double-check the compatibility of the gaskets with my 1991 Harley Davidson Sportster 1200. Some sellers may list gaskets for multiple models, so I looked for specifications that matched my bike’s year and model.
Where to Buy
During my search for the right gaskets, I explored several options:
- Local Motorcycle Shops: I visited a few local shops and found knowledgeable staff who helped me find the right gaskets.
- Online Retailers: Websites like eBay, Amazon, and specialized motorcycle parts retailers offered a wide selection. I appreciated the ability to read customer reviews and compare prices.
- Harley Davidson Dealerships: For those who prefer OEM parts, my local dealership was a reliable option, albeit at a higher price.
I ultimately purchased my gaskets from a reputable online retailer, where I could find competitive prices and customer feedback.
Installation Tips
Once I had my gaskets, I was eager to install them. Here are some tips I found helpful:
- Clean the Surface: I made sure to clean the surface of the side covers thoroughly before installation to ensure a proper seal.
- Use Gasket Maker: In some cases, I applied a thin layer of gasket maker for added security, especially if the old gaskets had left residue.
- Follow Torque Specifications: I referred to my service manual to ensure I torqued the bolts to the correct specifications to avoid cracking the gasket.
Final Thoughts
Buying side cover gaskets for my 1991 Harley Davidson Sportster 1200 was a rewarding experience that taught me a lot about motorcycle maintenance. By understanding the importance of the gaskets, their materials, where to buy them, and how to install them properly, I was able to keep my bike running smoothly. I encourage fellow riders to take the time to research and invest in quality gaskets to enjoy a leak-free ride. Happy riding!
Author Profile

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Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.
Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.
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