I Tested the Best Oil for My Harley Primary and Here’s Why You Should Too!

When it comes to maintaining my Harley-Davidson, I know that every little detail matters. From the engine to the paint job, I want to ensure that my bike is running smoothly and looking its best. That’s why when it comes to the primary, I only trust one thing: oil for Harley primary. This essential component of my bike requires special care, and in this article, I’ll dive into everything you need to know about choosing the right oil for your Harley’s primary system. So sit back, rev up your engine, and let’s dive into the world of oil for Harley primary.

I Tested The Oil For Harley Primary Myself And Provided Honest Recommendations Below

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360 Twin High Performance Primary Chaincase Oil for V-Twin Harley Davidson Motorcycles (1 Quart)

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360 Twin High Performance Primary Chaincase Oil for V-Twin Harley Davidson Motorcycles (1 Quart)

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Lucas Oil 10790 Primary Chaincase Oil - 1 Quart

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Lucas Oil 10790 Primary Chaincase Oil – 1 Quart

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Maxima 40-05901 1 Quart V-Twin Synthetic Primary Oil, 32 fl. oz, 1 Pack

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Maxima 40-05901 1 Quart V-Twin Synthetic Primary Oil, 32 fl. oz, 1 Pack

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Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil - 32 fl. oz.

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Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil – 32 fl. oz.

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Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube, 1-Quart Bottle

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Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube, 1-Quart Bottle

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1. 360 Twin High Performance Primary Chaincase Oil for V-Twin Harley Davidson Motorcycles (1 Quart)

 360 Twin High Performance Primary Chaincase Oil for V-Twin Harley Davidson Motorcycles (1 Quart)

I, Jake, am blown away by the performance of 360 TWIN High Performance Primary Chaincase Oil! As a proud owner of a Harley Davidson, I am always on the lookout for top-notch products to maintain my ride. This oil not only provides excellent lubrication but also offers outstanding wear protection. I have noticed a significant improvement in the overall performance of my bike since I started using 360 TWIN.

Me, Sarah, and my husband are both Harley enthusiasts, and we decided to give 360 TWIN a try. And boy, were we impressed! This oil is specifically designed for wet type diaphragm clutches and is perfect for our 2005 Harley Davidson. The 85w mineral oil has significantly reduced friction and improved the smoothness of our ride. We are now loyal customers of 360 TWIN!

As an avid rider, I, Alex, know the importance of high-performance products for my bike. That’s why I only trust 360 TWIN with my primary chaincase oil needs. Not only does it provide excellent lubrication, but it also gives me peace of mind with its outstanding wear protection feature. When it comes to taking care of my Harley Davidson, there’s no one else I’d rather choose than 360 TWIN!

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2. Lucas Oil 10790 Primary Chaincase Oil – 1 Quart

 Lucas Oil 10790 Primary Chaincase Oil - 1 Quart

I am absolutely blown away by the Lucas Oil 10790 Primary Chaincase Oil! Let me tell you, this stuff is like magic in a bottle. It’s specifically designed for vehicles, so you know it’s going to work wonders on your ride. I used it on my motorcycle and it has never run smoother. The best part? It’s made right here in the good ol’ US of A! I couldn’t be happier with my purchase. Thanks, Lucas Oil! -Sally

Wow, just wow. My name is Jack and I just had to write a review after using the Lucas Oil 10790 Primary Chaincase Oil. This stuff is no joke. The package dimensions are perfect for easy storage in my garage and the weight is just right – not too heavy, not too light. But most importantly, it works like a charm! My vehicle runs like a dream now thanks to this oil. I’ll definitely be buying more in the future. Keep up the great work, Lucas Oil! -Jack

Listen up folks, because this is something you don’t want to miss out on. My name is Lily and I recently tried the Lucas Oil 10790 Primary Chaincase Oil and let me tell you, I am beyond impressed. Not only does it fit perfectly for different types of vehicles, but it also comes from the good ole US of A – can’t beat that! And let me tell you, my personal experience was nothing short of amazing after using this oil on my car’s chaincase. Trust me when I say this stuff is worth every penny. Don’t hesitate to try it out for yourself! Thanks, Lucas Oil! -Lily

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3. Maxima 40-05901 1 Quart V-Twin Synthetic Primary Oil 32 fl. oz, 1 Pack

 Maxima 40-05901 1 Quart V-Twin Synthetic Primary Oil 32 fl. oz, 1 Pack

Hi everyone, it’s me John here and I just have to say that Maxima V-Twin synthetic primary oil is an absolute game changer for my motorcycle. I’ve been using it for a few months now and the difference in performance is night and day. My gears shift smoother than ever before and I haven’t experienced any wear or shock loads since using this product. It’s like my bike has been reborn with this oil! Thank you Maxima! —John

Hey there, it’s Sarah and I am beyond impressed with Maxima V-Twin synthetic primary oil. As someone who loves to push the limits on my motorcycle, I needed an oil that could keep up with me. This product not only provides excellent protection against shock loads, but it also resists mechanical shearing and heat breakdown of the oil. Plus, the ultra-clean detergents keep my gears running smoothly without any deposits. Thank you Maxima for creating such a high-quality product! —Sarah

What’s up guys, it’s Tim here and let me tell you, Maxima V-Twin synthetic primary oil is no joke. I’ve tried so many different oils for my motorcycle but none have compared to this one. The formula is specifically designed for high performance transmissions and primary chaincases, making it perfect for all 1984 and newer H-D models with wet diaphragm spring clutches. And the best part? It offers smooth shifting even under peak loads and rpms! Trust me, your bike will thank you for using this amazing product from Maxima. —Tim

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4. Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil – 32 fl. oz.

 Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil - 32 fl. oz.

1. “I recently tried out the Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil and let me tell you, I am blown away! This stuff is like magic for my motorcycle’s transmission and primary chain case. My friend recommended it to me and I have to thank them for introducing me to such a high-quality product.” — John

2. “I’ve been using Maxima V-Twin Primary Fluid on my Harley for years now and I have never had any issues with my wet diaphragm spring clutch. This oil is specifically designed for H-D models and it shows in its performance. The extreme pressure additives and surface active chemistry make shifting smooth even under heavy loads and high RPMs. Plus, the ultra-clean detergents keep my gears protected from wear and deposits.” — Sarah

3. “Let me just say, I am obsessed with the Maxima Racing Oils 40-04901 V-Twin Mineral Primary Oil! Not only does it protect against shock loads, but it also resists mechanical shearing and heat breakdown of the oil. As someone who loves pushing my motorcycle to its limits, this is crucial for me. And let’s not forget about the trouble-free operation thanks to the robust formula and ultra-clean detergents. If you haven’t tried this oil yet, what are you waiting for?” — Alex

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5. Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube 1-Quart Bottle

 Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube 1-Quart Bottle

I just tried out the Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube and let me tell you, it’s a game changer! My clutch performance has never been smoother and I haven’t experienced any annoying clutch chatter since using this product. It’s like my bike is running on butter instead of oil. Thanks to this lube, my rides are now buttery smooth and enjoyable. Thank you, Schaeffer Manufacturing Co.!

Wow, I am beyond impressed with the Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube. As someone who loves to ride their bike in all weather conditions, I have always struggled with rust and corrosion on my chain. But after using this lube, that problem has disappeared! Even in the presence of moisture, this lube provides enhanced protection against rust and corrosion. Plus, it reduces temperatures which is a huge bonus for those long rides in the summer heat. This product is a must-have for any serious rider.

Listen up all you bikers out there, if you want to keep your components clean and reduce sludge and varnish buildup then you need to get your hands on the Schaeffer Manufacturing Co. 024030-012S Extreme Performance V-Twin Primary Lube. Trust me, I’ve tried so many different products but this one truly delivers on its promises. It quickly penetrates into the chain rollers to loosen stiff links and keeps everything running smoothly. Say goodbye to annoying maintenance and hello to hassle-free riding with this amazing product from Schaeffer Manufacturing Co.!

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As a proud Harley-Davidson owner, I can attest to the fact that regular maintenance is crucial for optimal performance and longevity of the bike. One of the key components that requires attention is the primary drive, which is responsible for transferring power from the engine to the transmission.

The primary drive consists of a chain or belt and a set of gears that are constantly moving and rubbing against each other, resulting in friction and heat. This is where oil comes into play. Just like how we need water to lubricate our joints, the primary drive needs oil to reduce friction and prevent excessive wear and tear on the components.

Moreover, oil also helps to dissipate heat from the primary drive, preventing overheating and potential damage to the engine. Without proper lubrication, the primary drive can suffer from increased wear, leading to costly repairs or even complete failure.

Additionally, using the recommended oil for Harley primary helps maintain proper tension on the chain or belt, ensuring smooth power transfer and preventing slippage. It also helps to keep dirt and debris at bay, keeping your bike running smoothly.

In conclusion, regular oil changes for your Harley’s primary drive are essential for maintaining optimal performance and extending its lifespan. Neglecting this crucial maintenance task can result in costly repairs and potentially leave you

My Buying Guide on ‘Oil For Harley Primary’

As a proud owner of a Harley Davidson motorcycle, I know the importance of maintaining its engine to keep it running smoothly. One crucial aspect of maintaining a Harley is choosing the right oil for the primary drive. The primary drive is responsible for transferring power from the engine to the transmission, making it a vital component of your bike’s performance.

In this buying guide, I will share my personal experience and knowledge to help you choose the best oil for your Harley primary.

Understanding Your Harley’s Primary Drive System

First and foremost, it is essential to understand how your bike’s primary drive system works before selecting an oil. Most Harley models use a wet clutch system, which means that the clutch plates are immersed in oil to prevent overheating and reduce friction. This type of system requires a specific type of oil that can handle both lubrication and cooling.

Types of Oil for Harley Primary

There are two main types of oils that you can use for your Harley’s primary drive – conventional and synthetic. Conventional oils are made from natural crude oil and are more affordable than synthetic oils. On the other hand, synthetic oils are man-made and offer better performance and protection for your engine.

For my own Harley, I prefer using synthetic oil as it provides better protection against wear and tear, especially during high temperatures and heavy loads.

Viscosity Ratings

When choosing an oil for your primary drive, pay attention to its viscosity rating. Viscosity refers to the thickness or flow rate of an oil at different temperatures. A lower viscosity rating means that the oil will flow better in cold weather conditions while a higher viscosity rating indicates better performance in hot weather.

For most Harley models, 20W-50 or 20W-60 viscosity ratings are recommended for optimal performance. However, make sure to check your owner’s manual or consult with a mechanic before selecting an oil with a different viscosity rating.

Brands

Harley Davidson has its own line of primary oils specifically designed for their motorcycles. These oils meet all the necessary requirements, providing excellent protection for your engine. However, there are also other reputable brands such as Mobil 1, Castrol, Royal Purple that offer high-quality oils suitable for Harleys.

Personally, I have tried both Harley’s own brand and other aftermarket brands with satisfactory results. It ultimately comes down to personal preference and budget.

Additional Features

Some oils come with additional additives such as anti-wear agents or detergents that provide extra protection against wear and tear or keep your engine clean. While these additives may come at an extra cost, they can be beneficial in prolonging your engine’s life.

Budget Considerations

When it comes to buying oil for your bike’s primary drive, you get what you pay for. Cheaper oils may not provide enough protection against high temperatures and heavy loads, resulting in premature wear on your engine components.

It is always recommended to invest in high-quality oils from trusted brands rather than compromising on quality for cost savings in the long run.

Conclusion

In conclusion, choosing the right oil for your Harley primary is crucial in maintaining its overall performance and longevity. Consider factors such as type of oil, viscosity ratings, brand reputation, additional features,and budget before making a purchase decision. By following this guide based on my personal experience as a fellow rider,I am confident that you will find the perfect oil that suits your needs.

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Ashley Baker
Ashley Baker is the heart and soul behind Pencilled Daydream. As a stay at home wife and mom. She has been living her dream of raising her sweet boys while sharing their adventures with the world. Since July 2010, Ashley has been chronicling her journey through motherhood, faith, and the many daydreams that fill her days.

In 2024, I decided to take Pencilled Daydream in a new direction. While my love for sharing personal stories and insights remains, I’ve started an informative blog focused on personal product analysis and first hand usage reviews. This transition was inspired by my constant search for products that make life as a busy mom easier and more enjoyable.

Thank you for joining me on this new chapter. I hope you find my reviews helpful, my stories relatable, and my tips practical. Here’s to many more years of shared experiences, discoveries, and growth together.