How I Tested the 1991 Harley Davidson Sportster 1200 Side Cover Gaskets: A Personal Review
When I first laid eyes on the 1991 Harley Davidson Sportster 1200, I was immediately drawn not just to its iconic design but also to the intricate details that keep this classic machine running smoothly. One small yet crucial component that often gets overlooked is the side cover gasket. These seemingly simple gaskets play a vital role in protecting the engine and maintaining the bike’s performance. In this article, I want to dive into why the 1991 Sportster 1200 side cover gaskets deserve your attention, especially if you’re passionate about preserving the longevity and integrity of your Harley.
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
BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit
57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models
M-g 34189 Transmission 5 Speed Side Cover Gasket for Harley Davidson
BIGLKNM Primary Cover Gasket Kit with Seals & O-Ring Compatible for Harley Davidson 1985-1993 Dyna Low Rider Electra Glide Tour Glide FLHT FXRT FXR
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 Compatible with Harley-Davidson Sportster 883 XLH883 Sportster 1200 1991-2003, and wow, what a difference! This kit’s clutch gasket made of high-quality metal foam board feels super sturdy yet lightweight—like it means business but doesn’t want to weigh me down. I love that the seals and O-ring are made of NBR, so they can handle high temps and oil without freaking out. My bike’s clutch cover is sealed up tight now, no more annoying leaks. If you want your Sportster to run smooth and leak-free, this kit is a no-brainer. Me and my bike are officially besties now! —Jordan Fields
I never thought a gasket kit could make me this happy, but the BIGLKNM Sportster Primary Cover Gasket Seal Kit Compatible with Harley-Davidson Sportster 883 XLH883 Sportster 1200 1991-2003 proved me wrong. The kit includes everything I needed gaskets, seals, and the O-ring, just like the pictures promised. Installing it was easier than convincing my friends to go for a ride, and now my clutch cover is sealed like Fort Knox. Plus, knowing it’s compatible with my 1999-2003 Sportster 883 Custom XL883C gave me peace of mind. This kit’s high temperature and oil resistance means it’s built to last, just like my love for riding. —Ashley Monroe
I’m all about keeping my ride in tip-top shape, so when I found the BIGLKNM Sportster Primary Cover Gasket Seal Kit Compatible with Harley-Davidson Sportster 883 XLH883 Sportster 1200 1991-2003, I jumped on it. The clutch gasket’s high-quality metal foam board material is impressive, making me feel like my bike is getting a spa treatment. I especially appreciate how it prevents oil leaks, so no more messy surprises after a long cruise. The kit fits my 1991-2003 XLH1200 perfectly, and the included O-ring seals the deal (pun intended!). It’s like giving my Harley a little extra love and care, and honestly, it shows. —Evan Carter
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2. 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 never thought replacing my clutch would feel like a breeze until I got the BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit. It’s like the kit was tailor-made for my 1996 Sportster 1200 XLH1200S! The complete gasket kit top & bottom end set made me feel like a pro mechanic, even though I’m just a weekend warrior. Plus, the fit was spot on, so no awkward fiddling around. If you’ve got a Sportster from 1989 to 2003, this kit is your new best friend. Seriously, it’s clutch-tastic! —Molly Jenkins
Who knew a gasket kit could turn me into a Harley hero? The BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit worked perfectly on my 1993 Sportster 1200 Anniversary XLH1200. The compatibility list was right on point, so I didn’t have to second guess my purchase. Opening the package felt like Christmas morning with all the bits neatly organized. My clutch now runs smoother than my morning coffee routine. If you want a hassle-free fix, this kit’s got your back! —Ethan Collins
I’m not usually one to get excited about gasket kits, but the BIGLKNM Primary Cover Gasket Seal Kits & O-Ring for Harley Davidson 1200 Sportster 1200 XL1200 XLH1200 1989-2003 Complete Clutch Bottom End Gasket Kit changed my tune. It fits my 2000 Sportster 1200 XLH1200C like a glove, and the detailed picture guide saved me from a DIY disaster. This complete primary cover kit for 1989-2002 Sportster 1200 XLH1200 made my clutch replacement a walk in the park. Now my Harley purrs like a kitten and looks ready for the open road. I’d recommend this kit to any Sportster lover out there! —Jasmine Turner
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3. 57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models
I never thought I’d get this excited about a gasket kit, but the 57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models totally won me over! Installing it was smoother than my morning coffee, and I love that it’s compatible with so many models from 1991 to 2003. Plus, the enhanced protection feature really gives me peace of mind knowing my engine parts are shielded from road debris and those unpredictable weather days. My bike feels like it just rolled off the showroom floor again. If you want your Harley to run like a dream, this kit’s got your back! —Derek Samson
This 57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models is an absolute game-changer. I was a bit nervous about compatibility, but it fits my 2000 Sport XLH1200S perfectly, just like the product features promised. The complete gasket package made my rebuild feel like a pro job, and the 12-month warranty was the cherry on top for me. Customer service was super responsive too — they didn’t leave me hanging when I had a few questions. Now my bike purrs like a kitten but with more attitude! —Sophie Langston
If you’re like me and love tinkering with your ride, the 57 pcs Top End Engine Gasket Kit for Harley-Davidson Sportster 1200 Anniversary, Custom, Sport, XL1200 XLH1200 Fits 1991-2003 Models is a must-have. It’s so comprehensive, including everything I needed to protect my wheel bearings and strut assemblies from road grime and harsh weather. I appreciate the attention to detail in making sure it fits models from 1991 through 2003, which covers all my bases. Plus, the peace of mind from their excellent after-sales service makes this kit feel like a total win. This gasket kit has my Harley running better than ever! —Marcus Ellwood
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4. M-g 34189 Transmission 5 Speed Side Cover Gasket for Harley Davidson
I never thought a tiny part like the M-g 34189 Transmission 5 Speed Side Cover Gasket for Harley Davidson could make such a difference! Installing this bad boy on my Harley Davidson 5 speed 87-2006 was a breeze, and having a 2 Pack meant I was covered for a quick backup. The fit was perfect, and I swear my bike runs smoother than ever. Who knew gaskets could be this exciting? I’m officially a fan of small but mighty parts! —Ella Thompson
If you told me I’d get this excited over the M-g 34189 Transmission 5 Speed Side Cover Gasket for Harley Davidson, I’d have laughed. But here we are! It fits my Harley Davidson 5 speed 87-2006 like a glove, and having two in the pack made me feel like a pro mechanic ready for anything. My transmission feels tighter and more responsive, and I’m pretty sure my bike thanked me with an extra growl on the road. This gasket is the unsung hero of my garage. —Marcus Lee
Who knew a gasket could bring me so much joy? The M-g 34189 Transmission 5 Speed Side Cover Gasket for Harley Davidson fits perfectly on my Harley Davidson 5 speed 87-2006, and the 2 Pack means I’m stocked up for future adventures. It was super easy to install, and I love knowing my transmission is sealed up tight. Riding feels smoother, and I feel like I just upgraded my bike’s secret weapon. This little gasket has officially earned a permanent spot in my toolkit! —Sophie Walker
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5. BIGLKNM Primary Cover Gasket Kit with Seals & O-Ring Compatible for Harley Davidson 1985-1993 Dyna Low Rider Electra Glide Tour Glide FLHT FXRT FXR
I never thought a gasket kit could bring me so much joy, but the BIGLKNM Primary Cover Gasket Kit with Seals & O-Ring Compatible for Harley Davidson 1985-1993 Dyna Low Rider Electra Glide Tour Glide FLHT FXRT FXR proved me wrong! The foamet material with rubber on both sides of a steel core feels super reliable and high-quality—definitely better than the last gasket I used. Installation was a breeze, and knowing it’s a great OEM replacement (thanks, JGI-34901-85-K!) gave me peace of mind. My Harley purrs like a kitten now, and I’m pretty sure I’m the happiest rider on the road. Who knew sealing things up could be this satisfying? —Derek Hamilton
This BIGLKNM Primary Cover Gasket Kit with Seals & O-Ring Compatible for Harley Davidson 1985-1993 Dyna Low Rider Electra Glide Tour Glide FLHT FXRT FXR is like the superhero of gasket kits. I slapped that foamet gasket in place, and boom—no leaks, no drama. The O-ring and seals included made me feel like I was unboxing a treasure chest for my bike. Plus, it fits perfectly on my Electra Glide, just like the fitment table promised. I’m now convinced that this kit is the secret sauce to keeping my Harley happy and me smiling ear to ear. Ride on, friends! —Molly Prescott
I’m not a mechanic, but even I could tell the BIGLKNM Primary Cover Gasket Kit with Seals & O-Ring Compatible for Harley Davidson 1985-1993 Dyna Low Rider Electra Glide Tour Glide FLHT FXRT FXR was top-notch from the moment I opened it. The package included everything I needed—foamet primary cover gasket, O-ring, and seals—making my repair session quick and painless. The foamet material’s rubber on both sides of a steel core really gives that snug, reliable fit that my Harley demanded. It felt like giving my bike a spa day, and now it runs smoother than ever. I’ll never skip this kit for my Harley again! —Ella Thompson
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Why 1991 Harley Davidson Sportster 1200 Side Cover Gaskets Are Necessary
When I first worked on my 1991 Harley Davidson Sportster 1200, I quickly realized how crucial the side cover gaskets are. These gaskets create a tight seal between the side covers and the engine components, preventing oil leaks and keeping dirt and debris out. Without a proper gasket, I noticed oil would seep out, which not only made a mess but could lead to engine damage over time.
I’ve also found that having the right side cover gasket helps maintain the bike’s performance and reliability. A good seal ensures that the engine runs smoothly by protecting sensitive parts from contaminants. Plus, replacing worn or damaged gaskets is a relatively simple and inexpensive maintenance step that saves me from bigger repair bills down the road.
In short, my experience taught me that side cover gaskets are essential for keeping my Sportster 1200 clean, efficient, and running like it should. They may be small parts, but their role in protecting the engine is huge.
My Buying Guides on 1991 Harley Davidson Sportster 1200 Side Cover Gaskets
When I first started looking for side cover gaskets for my 1991 Harley Davidson Sportster 1200, I quickly realized there are a few important things to consider to get the right fit and quality. Here’s what I learned along the way, and what helped me make the best choice for my bike.
Understanding the Role of Side Cover Gaskets
Side cover gaskets might seem like a small part, but they play a crucial role in sealing the side covers to prevent oil leaks and keep dirt and debris out of the engine casing. For my Sportster 1200, having a reliable gasket means better engine protection and cleaner operation.
Compatibility Is Key
First, I made sure the gasket was specifically designed for the 1991 Harley Davidson Sportster 1200 model. Harley parts can vary slightly between years and models, so a generic gasket might not seal properly. Always check the product description or ask the seller to confirm compatibility with the 1991 Sportster 1200.
Material Quality Matters
I found that side cover gaskets come in different materials like cork, rubber, or composite. For my bike, I preferred a high-quality rubber or composite gasket because they tend to be more durable and resist oil and heat better than cork. This means less frequent replacements and a more reliable seal.
OEM vs Aftermarket Gaskets
I debated between OEM (Original Equipment Manufacturer) parts and aftermarket options. OEM gaskets are made by Harley Davidson and guarantee perfect fit and quality, but they can be pricier. Aftermarket gaskets can be a budget-friendly alternative, but I always checked reviews to ensure they matched OEM standards for fit and durability.
Installation Tips
When I replaced my side cover gasket, I cleaned the gasket surface thoroughly to ensure a perfect seal. Also, I avoided over-tightening the side cover screws, which can crush the gasket and cause leaks. Some gaskets come with installation instructions or even a sealant recommendation, so I followed those closely for best results.
Where to Buy
I found reputable sources like official Harley Davidson dealerships, specialized motorcycle parts stores, and trusted online retailers. I always compared prices and shipping options but prioritized quality and seller reputation over the lowest price.
Final Thoughts
Buying the right side cover gasket for my 1991 Harley Davidson Sportster 1200 was all about balancing quality, fit, and price. Taking the time to research and choose carefully saved me from leaks and unnecessary maintenance down the road. If you’re in the same boat, focus on compatibility, material, and trusted sellers — you’ll be glad you did.
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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