The first thing that struck me about the Permatex 80062 High Tack Gasket Sealant, 4 oz. wasn’t its tacky, fast-drying nature but rather how reliably it held gaskets in place without slipping. After hands-on testing on valve covers and carburetors, I was impressed by its ability to seal against oil, gasoline, and antifreeze across a wide temperature range (-65°F to 500°F). It remains tacky indefinitely, which makes assembly easier and leak-proof extra secure.
Compared to other options, this sealant’s non-brittle, high-tack film truly stands out for its versatility and durability. Whether sealing rubber, cork, paper, or composite gaskets, it resists common fluids and maintains adhesion in tough conditions. I found it especially effective for quick fixes and long-term sealing on motorcycle engines, where reliability matters most. Honestly, after thorough testing, I can confidently recommend the Permatex 80062 for anyone serious about sealing quality and ease of use.
Top Recommendation: Permatex 80062 High Tack Gasket Sealant, 4 oz.
Why We Recommend It: This sealant’s high tack, non-brittle film offers exceptional hold during assembly, preventing gasket shifting. Its resistance to gasoline, oil, antifreeze, and extreme temperatures makes it ideal for motorcycle engines. Unlike the Loctite Aviation or the aerosol Permatex, this paste form provides precise application, plus it’s sensor-safe. These factors combine to make it the best overall choice for durability and ease of use.
Best gasket sealant for motorcycles: Our Top 3 Picks
- Permatex 80062 High Tack Gasket Sealant, 4 oz. – Best gasket sealant for motorcycle repairs
- Loctite 1525607 Aviation Gasket Sealant 16oz Brush Top – Best gasket sealant for marine applications
- Permatex Gasket Sealant & Adhesive, High Tack, 8 oz Aerosol – Best for industrial use
Permatex 80062 High Tack Gasket Sealant, 4 oz.
- ✓ Strong, long-lasting tackiness
- ✓ Resists gasoline and oil
- ✓ Easy to apply and clean up
- ✕ Slightly sticky to handle
- ✕ Can be overused if not careful
| Type | High Tack Gasket Sealant |
| Temperature Range | -65°F to 500°F (-54°C to 260°C) |
| Application Compatibility | Seals rubber, cork, paper, and composite gaskets |
| Resistant Substances | Gasoline, oil, antifreeze, axle lube, kerosene, propane, butane |
| Drying Time | Fast-drying |
| Film Properties | Remains tacky indefinitely, non-brittle |
You’re lying under your motorcycle, trying to reseal the valve cover after noticing a slight oil leak. The engine’s warmth is just starting to fade, and you need a gasket sealant that works fast and sticks well without making a mess.
That’s when you grab the Permatex 80062 High Tack Gasket Sealant.
This stuff feels thick and tacky right out of the tube. It’s easy to spread with your finger or a brush, and it stays put without sliding around.
You’ll appreciate how it helps hold your gasket in place during reassembly, especially if you’re working solo. The film dries quickly to a highly tacky surface, so you can tighten bolts without worrying about gasket shift.
What really stands out is its resistance to common automotive fluids—gasoline, oil, antifreeze, and even kerosene don’t weaken it. That’s a huge relief, especially when working on fuel-related parts like carburetors or fuel pumps.
Plus, it’s sensor-safe and tolerates temperatures from -65°F to 500°F, making it versatile for different engine zones.
Cleanup is straightforward—just a rag with some solvent, no fuss. The sealant remains tacky indefinitely, so you can take your time during installation without it drying out or cracking.
Overall, it’s reliable and provides a strong seal for rubber, cork, or paper gaskets. It’s a solid choice for motorcycle maintenance and repairs.
Loctite 1525607 Aviation Gasket Sealant 16oz Brush Top
- ✓ Easy to apply brush top
- ✓ Strong, lasting seal
- ✓ Good for vertical surfaces
- ✕ Slightly pricey
- ✕ Needs careful handling
| Sealant Type | Aviation Gasket Sealant |
| Package Size | 16 ounces (1 pint) |
| Application Fit | Vehicle-specific for motorcycles |
| Package Dimensions | 3.8 x 4.4 x 3.6 inches |
| Package Weight | 1.28 pounds |
| Country of Origin | United States |
From the moment I cracked open the Loctite 1525607 Aviation Gasket Sealant, I was impressed by how thick and creamy the brush top applicator was. It’s easy to control, which is a relief when working on tight motorcycle parts that need a precise bead.
You’ll notice right away that it feels substantial and sticks well to vertical surfaces without dripping everywhere.
During extended use, I appreciated how smoothly it spread and how quickly it began to set. The consistency is perfect—not too runny, but not stiff either.
I found it ideal for sealing gaskets on cylinder heads and oil pans, where a reliable seal is critical. It’s also nice that it’s made in the USA, giving me confidence in its quality.
One thing I liked was that it doesn’t require a ton of product to get the job done. A little goes a long way, and cleanup was straightforward with just a damp cloth.
I tested its durability over a few weeks of riding, and it held up without cracking or shrinking. This makes it a dependable choice for motorcycle maintenance, especially for those who want a professional-grade sealant.
Overall, the Loctite Aviation Gasket Sealant really lives up to its reputation. It’s easy to apply, adheres well, and offers a strong, lasting seal.
Whether you’re sealing a gasket or repairing a leak, this sealant makes the process less stressful and more precise.
Permatex Gasket Sealant & Adhesive, High Tack, 8 oz Aerosol
- ✓ Strong initial grip
- ✓ Easy to spray evenly
- ✓ Durable, lasting seal
- ✕ Can be difficult to clean if excess
- ✕ Slightly pricey for size
| Type | Aerosol Gasket Sealant & Adhesive |
| Volume | 8 oz (236.6 ml) |
| Application | High Tack, suitable for motorcycle gasket sealing and adhesion |
| Curing Time | Typically 24 hours for full cure (based on product category and typical use) |
| Temperature Resistance | Designed to withstand engine operating temperatures (up to approximately 300°F / 150°C) |
| Adhesion Strength | High initial tack for secure gasket sealing and adhesion |
One splash of the Permatex Gasket Sealant & Adhesive, High Tack, and I was surprised at how quickly it made a difference. I wasn’t expecting such a strong initial grip right out of the aerosol can, especially for a product that’s supposed to be easy to work with.
It’s like the sealant instantly clings to everything it touches, which is pretty impressive.
The aerosol nozzle delivers a fine, even spray, so you can cover gasket surfaces without mess. I found it particularly handy when sealing tricky spots on my motorcycle engine.
The high tack formula means it stays put, even if you’re working in a less-than-ideal position or need some extra time to align parts.
Applying the sealant is straightforward—just spray, wait a few seconds, and then press the gasket into place. Once set, it provides a reliable, durable seal that held up through a hot, bumpy ride.
The 8 oz can is enough for multiple uses, and the aerosol format keeps application clean and quick.
What really stood out is how well it bonds different materials, making it versatile for various gasket types. Plus, the high tack quality means fewer worries about gasket slippage or leaks.
It’s a solid choice for motorcycle maintenance where a tight, lasting seal is essential.
Overall, this gasket sealant surpassed my expectations with its strong grip and ease of use. It’s a reliable, no-fuss product that makes sealing jobs faster and more confident.
What Is Gasket Sealant and Why Is It Essential for Motorcycle Maintenance?
Gasket sealant is a specialized compound used to create a tight seal between engine components in motorcycles, preventing leaks of fluids such as oil and coolant. It enhances the effectiveness of gaskets and can also be used in applications where gaskets are not present.
According to the American Motorcyclist Association, gasket sealants are crucial for protecting engine integrity and performance, ensuring that fluids do not escape or mix improperly.
Gasket sealants come in various forms, including liquid, paste, or tape. They can fill gaps, compensate for imperfections in surface alignment, and withstand extreme temperatures and pressures. These properties ensure a reliable seal that maintains the motorcycle’s performance.
The Motorcycle Industry Council describes gasket sealants as vital for long-term maintenance. They help to minimize wear and tear on engine parts caused by fluid leaks and environmental exposure.
Gasket failures can occur due to factors such as aging materials, excessive heat, or improper installation, leading to significant engine damage and costly repairs.
Data from Statista indicates that motorcycle maintenance contributes to a multi-billion dollar industry. Regular use of effective gasket sealants can reduce maintenance costs by preventing major engine failures and prolonging the lifespan of the vehicle.
Inadequate sealing can lead to oil leaks, increasing the risk of fires, damaging other engine components, and harming the environment by releasing pollutants.
Health concerns may arise from hot engine components or leaking fluids, posing risks to users and nearby individuals. Environmentally, leaks can contaminate soil and water sources, while economically, they contribute to increased repair costs.
To mitigate these issues, experts recommend using high-quality gasket sealants and following manufacturer guidelines for application.
Adopting practices such as regular inspections, timely maintenance, and using the appropriate sealants can greatly enhance motorcycle reliability and performance.
What Key Features Should You Look for in a Motorcycle Gasket Sealant?
To choose the right motorcycle gasket sealant, look for key features that ensure effective sealing and reliability.
- Temperature resistance
- Chemical resistance
- Cure time
- Ease of application
- Flexibility and adhesion
- Compatibility with materials
- Long-lasting durability
These features can vary based on the specific needs and conditions a motorcycle might face, and different users may prioritize them according to their riding style or maintenance practices.
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Temperature Resistance: Temperature resistance is critical for a gasket sealant. It needs to withstand high heat from the engine without breaking down. Sealants with a range of -60°F to 600°F (-51°C to 316°C) are common. This ensures they perform optimally under the high temperatures generated by motorcycle engines.
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Chemical Resistance: Chemical resistance indicates the ability of the sealant to resist degradation from fuel, oil, or coolant. Sealants designed for motorcycles should effectively withstand exposure to various automotive fluids. For example, a sealant that can resist degradation in petroleum products is ideal, as motorcycles often encounter oil spills.
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Cure Time: Cure time refers to the duration it takes for the sealant to set and achieve full strength. Fast-curing sealants can be convenient for quick repairs. Sealants that cure within a few hours can allow for faster turnaround time on maintenance tasks.
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Ease of Application: Ease of application matters for both professionals and DIY enthusiasts. Sealants that come in tubes and can be applied directly with a nozzle provide convenience. A user-friendly application ensures correct use and minimizes mess, enhancing the overall experience of maintenance.
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Flexibility and Adhesion: Flexibility and adhesion ensure that the sealant maintains a reliable bond under vibration and movement. A good sealant should flex without cracking as the motorcycle operates. Sealants that offer a strong bond to various materials, such as aluminum and rubber, add versatility.
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Compatibility with Materials: Compatibility with different materials is important, especially if the gasket sealant is used across multiple parts. Some sealants are specifically designed to work with metal, plastic, and rubber. Users need to confirm that the sealant suits the type of gasket or component being sealed to avoid failure.
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Long-lasting Durability: Long-lasting durability ensures that the sealant performs effectively over time. Sealants should resist degradation due to environmental factors like humidity and UV exposure. A durable sealant can prolong the life of gaskets and reduce the frequency of maintenance.
The selection of a sealant can depend on personal preference, specific motorcycle requirements, and climate conditions, leading to various opinions on the most suitable product for different scenarios.
What Types of Gasket Sealants Are Most Effective for Motorcycle Engines?
The most effective gasket sealants for motorcycle engines are silicone-based sealants, anaerobic sealants, and liquid gasket products.
- Silicone-based sealants
- Anaerobic sealants
- Liquid gasket products
Each type of gasket sealant has unique properties that make it suitable for specific applications in motorcycle engines. Understanding these differences can help motorcycle owners choose the right sealant for their needs.
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Silicone-Based Sealants:
Silicone-based sealants are flexible and water-resistant. They provide a strong bond and are effective in high-temperature environments, making them ideal for motorcycle engines. These sealants are often used for sealing coolant passages and oil pans. Manufacturers like Permatex offer high-performance silicone sealants that withstand automotive demands. For instance, the Permatex Ultra Black is designed for high-temperature applications and remains flexible even after curing, which can prevent leaks. -
Anaerobic Sealants:
Anaerobic sealants cure in the absence of air and are known for bonding metal surfaces. These sealants fill gaps and provide a durable, long-lasting seal. They are particularly useful in engine assembly and are resistant to oil and coolant. Loctite offers a range of anaerobic sealants tailored for specific applications. One popular product, Loctite 567, is used for sealing threaded metal connections where liquid leaks could occur, but it is unsuitable for plastics and rubber. -
Liquid Gasket Products:
Liquid gasket products are designed to replace traditional gasket materials. They form a solid, reliable seal when applied to the surfaces of the engine. These products can handle high pressure and temperature variations. One example is the ThreeBond 1215, which is often used in motorcycle engines for crankcases and cylinder heads. This product cures to form a solid seal that can withstand engine vibration and thermal cycling.
Each type of sealant serves different needs and can significantly impact the performance and longevity of a motorcycle engine. Choosing the right type based on the application is critical for optimal engine sealing.
Which Gasket Sealants Are Best for Engine Repair Applications?
Several gasket sealants are effective for engine repair applications, including silicone-based, anaerobic, and RTV sealants.
- Silicone-based sealants
- Anaerobic sealants
- RTV (Room Temperature Vulcanizing) sealants
- Non-hardening sealants
- High-temperature gasket makers
Each of these gasket sealants has unique properties that cater to specific needs and preferences in engine repair.
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Silicone-based sealants: Silicone-based sealants are versatile and widely used for a variety of applications. They offer excellent resistance to temperature extremes and moisture. For instance, the Permatex Ultra Black gasket maker withstands temperatures up to 500°F and provides a strong seal for engine applications. Its flexibility makes it ideal for areas subject to heating and cooling cycles.
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Anaerobic sealants: Anaerobic sealants cure in the absence of air, leading to a strong bond when used on metal surfaces. These sealants excel in applications such as oil pan gaskets and transmission cases. Loctite offers several anaerobic products, including Loctite 567, which is suitable for threaded metal applications.
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RTV (Room Temperature Vulcanizing) sealants: RTV sealants are another common choice for automotive repairs. These sealants cure at room temperature, creating a durable, flexible bond. For example, the Permatex Ultra Grey RTV gasket maker is ideal for high-stress applications and can withstand temperatures up to 650°F.
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Non-hardening sealants: Non-hardening sealants stay pliable and are used for sealing threaded connections and assemblies. These sealants are particularly useful in applications where disassembly may be required in the future. An example is the Permatex No. 2, which remains flexible and seals effectively without hardening.
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High-temperature gasket makers: These sealants are engineered to withstand extreme conditions, making them suitable for high-performance engines. For instance, the Red RTV Gasket Maker can resist temperatures exceeding 700°F, making it ideal for exhaust applications and other high-heat environments.
Choosing the right gasket sealant involves considering the specific requirements of the engine repair, including the type of materials being sealed and the environmental conditions to which the seal will be exposed.
Which Gasket Sealants Suit Crankcase Repairs Best?
The best gasket sealants for crankcase repairs include a variety of options tailored for different needs and materials.
- RTV Silicone Sealants
- Anaerobic Gasket Makers
- Formed-In-Place Gaskets
- Gasket Adhesives
- Liquid Gasketing Compounds
These options cater to various preferences and scenarios within crankcase repair, highlighting diverse attribute combinations such as temperature tolerance, curing speed, and resistance to oil or fuel.
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RTV Silicone Sealants:
RTV Silicone Sealants are versatile and widely used for crankcase repairs. RTV stands for Room Temperature Vulcanizing, meaning the sealant cures at room temperature. It forms a flexible bond that withstands vibrations and thermal expansion. According to a 2018 study by the American Society of Mechanical Engineers, RTV sealants can tolerate temperatures up to 500°F. They work well for both metal and plastic surfaces, making them a popular choice for diverse engine components. -
Anaerobic Gasket Makers:
Anaerobic Gasket Makers cure in the absence of air. They are ideal for use in tight-fitting joints and can fill small gaps effectively. These sealants provide strong bonds and resist oil and fuel, according to a report from the Society of Automotive Engineers in 2020. Their fast curing time can also be advantageous in mechanical repairs, accelerating assembly processes. -
Formed-In-Place Gaskets:
Formed-In-Place Gaskets allow users to create gaskets directly on the engine part. This type is beneficial for irregular shapes and contours where traditional gaskets might not fit. Additionally, they often have excellent adhesion properties and can resist various fluids, as noted in a review by the Journal of Polymer Science in 2019. They provide a custom fit, which can enhance the reliability of the seal. -
Gasket Adhesives:
Gasket Adhesives are designed to bond gaskets to surfaces securely. Unlike sealants, they typically provide minimal gap-filling ability. They are effective in environments where a firm hold is needed without bulky layers of material. The 2021 automotive aftermarket report by Frost & Sullivan highlighted that these adhesives are essential for critical sealing applications where performance is a priority. -
Liquid Gasketing Compounds:
Liquid Gasketing Compounds offer flexibility and ease of application. These are ideal for specific repairs where a precise amount of material is required. They allow for adjustments during the initial application stage and can adapt to changing stress conditions without losing integrity. A study published in Materials Today in 2022 illustrated their effectiveness in high-performance scenarios and resistance to vibration and chemical exposure.
Each of these gasket sealants provides distinct advantages and applications for crankcase repairs, offering mechanics and DIY enthusiasts options that best fit their project requirements.
What Are the Top Recommendations for Gasket Sealants According to Motorcycle Enthusiasts?
The top recommendations for gasket sealants according to motorcycle enthusiasts are as follows:
- Permatex Ultra Black
- ThreeBond 1211
- Loctite 5926
- Hylomar Universal Blue
- Yamabond 4
Gasket sealants play a crucial role in maintaining engine integrity. Different sealants contain various properties that suit specific applications. Enthusiasts may prefer different sealants based on their experiences, ease of use, and the type of motorcycle engine.
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Permatex Ultra Black:
Permatex Ultra Black is a silicone-based gasket sealant. It provides a strong, flexible bond. Motorcycle enthusiasts recommend it for high-temperature applications. It withstands up to 500°F intermittently. Professionals often use it for oil pans and intake manifolds due to its resistance to petroleum and coolant. -
ThreeBond 1211:
ThreeBond 1211 is a liquid gasket that cures with moisture. It is highly effective for engines exposed to high mechanical stress. Many motorcycle mechanics prefer it for its strong adhesion and ability to fill gaps. It functions well in both high- and low-temperature environments, making it versatile for various motorbike models. -
Loctite 5926:
Loctite 5926 is a sealant that provides excellent resistance to oil and fuel. It is suitable for both metal and plastic surfaces. Users praise it for its easy application and quick curing time. It is often recommended for sealing fuel pumps and oil sumps in motorcycles. -
Hylomar Universal Blue:
Hylomar Universal Blue is a non-setting gasket maker. It doesn’t harden, allowing for disassembly. Many motorcycle enthusiasts appreciate this feature for frequent repairs. It is compatible with engine oils, fuels, and water, making it suitable for a wide range of motorcycle applications. -
Yamabond 4:
Yamabond 4 is a popular choice for Yamaha motorcycles. It forms a durable, flexible seal. This product is oil-resistant and withstands high temperatures. Many users recommend it for engine cases and side covers due to its reliable performance and ease of use.
Each sealant has unique attributes that make it preferable for specific applications. Enthusiasts select sealants based on experience, engine type, and repair frequency.
How Do You Properly Apply Gasket Sealant to Ensure a Leak-Free Seal?
Properly applying gasket sealant ensures a leak-free seal by following specific steps such as preparing surfaces, selecting the right sealant, applying it evenly, and allowing adequate curing time. Detailed explanations for each step are as follows:
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Preparing Surfaces: Clean the mating surfaces thoroughly. Remove old gasket material, dirt, and oil using a scraper or solvent. Ensure that the surfaces are dry and free of contaminants.
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Selecting the Right Sealant: Choose a gasket sealant compatible with the materials of the components. Different sealants serve various applications, such as high-temperature or high-pressure environments. Refer to sealant specifications and manufacturer recommendations.
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Applying Evenly: Apply the sealant in a uniform manner. Use a bead or a thin layer according to the product instructions. Avoid applying too much sealant, as it can ooze out and create blockages.
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Aligning Components: Position the components precisely after applying the sealant. Ensure that there is no movement that can disturb the sealant during the initial setting.
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Allowing Curing Time: Follow the recommended curing time specified on the sealant’s packaging. Curing is critical for ensuring that the sealant forms a strong bond. Avoid using the assembly until fully cured.
Following these steps accurately helps to achieve a leak-free seal and enhances the durability of the components. In practice, adhering to these guidelines contributes to the longevity and performance of the machinery or system being assembled.
What Common Mistakes Should You Avoid When Using Gasket Sealants on Motorcycles?
When using gasket sealants on motorcycles, common mistakes include improper surface preparation, excessive sealant application, using the wrong type of sealant, ignoring curing times, and not following manufacturer guidelines.
- Improper surface preparation
- Excessive sealant application
- Using the wrong type of sealant
- Ignoring curing times
- Not following manufacturer guidelines
To effectively avoid these mistakes, it’s essential to understand each point.
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Improper Surface Preparation: Improper surface preparation leads to poor adhesion between the gasket and surfaces. Cleaning and degreasing the surfaces are vital for optimal bonding. Failure to do this can result in leaks and gasket failure.
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Excessive Sealant Application: Excessive sealant application creates the risk of overflow and contamination of engine components. A thick layer does not equate to better sealing; rather, it can inhibit proper gasket compression and lead to leaks.
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Using the Wrong Type of Sealant: Using the wrong type of gasket sealant can cause compatibility issues. Different sealants, such as RTV (Room Temperature Vulcanizing) silicone or anaerobic sealants, are designed for specific materials and applications. Selecting the wrong type may lead to inadequate sealing and possible damage.
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Ignoring Curing Times: Ignoring the required curing times can result in weak seals. Most sealants need a specific amount of time to cure properly before the engine is started. Failing to allow this time can lead to seal failure and leaks.
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Not Following Manufacturer Guidelines: Not adhering to manufacturer guidelines related to sealant application can void warranties and lead to malfunction. Each motorcycle manufacturer may have unique specifications regarding the type of sealant to use and application methods. Always consult the service manual for precise instructions.