When it comes to motorcycle performance and longevity, cooling efficiency is a vital component that is often overlooked. Stock radiators can do the job under typical riding conditions, but they tend to fall short during high-performance use or in extreme environments. That's where aftermarket motorcycle radiators come in. For riders pushing their bikes to the limit or looking to extend the life of their machine, upgrading to an aftermarket radiator can offer significant advantages. However, this decision isn't without its drawbacks.
Pros of Aftermarket Motorcycle Radiators
Improved Cooling Performance
The most compelling reason to invest in an aftermarket motorcycle radiator is enhanced cooling performance. Aftermarket radiators typically feature improved designs over OEM (Original Equipment Manufacturer) units, such as larger cores, more cooling fins, and more cooling channels. These enhancements provide better heat dissipation, ensuring your engine maintains optimal operating temperatures even under strenuous conditions.
For motocross riders, track day enthusiasts, or those who frequently ride in hot climates, the increased cooling capacity can make a noticeable difference. Better cooling translates into better engine performance, reducing the risk of overheating and less thermal stress on engine components, ultimately extending the lifespan of your motorcycle.
Durability and Build Quality
Aftermarket radiators are often constructed with higher-grade alloys compared to OEM units. Many feature TIG-welded aluminum, which adds to structural integrity. Riders who engage in off-road or rugged terrain activities will appreciate the added durability that resists damage from debris, rocks, and minor impacts.
Aesthetics
For those who take pride in the aesthetics of their bike, an aftermarket radiator can be a subtle yet striking upgrade.
Availability of Performance Accessories
With aftermarket radiators, you often have access to additional performance accessories like high-pressure radiator caps, silicone hoses, and overflow tanks. These components further enhance cooling efficiency and reliability, giving you a comprehensive cooling system upgrade.
Cons of Aftermarket Motorcycle Radiators
Potential Fitment and Warranty Issues
One of the biggest concerns with aftermarket motorcycle radiators is compatibility. Even though all are designed to fit specific makes and models, minor differences in dimensions or mounting points can complicate installation. In some cases, modifications to brackets, hoses, or shrouds might be necessary, which can be time-consuming and frustrating.
Cost Considerations
High-quality aftermarket radiators are almost always cheaper than OEM. They provide excellent performance benefits as well.
Installation Complexity
Unlike other plug-and-play upgrades, radiator installation can be labor-intensive and messy. It involves draining the coolant, removing fairings, disconnecting hoses, and potentially modifying components to achieve proper fitment. If you lack mechanical experience, this may require a trip to a professional mechanic, adding to the overall cost.
Installation Tips and Best Practices
If you've decided to go ahead with an aftermarket radiator upgrade, proper installation is critical to ensure optimal performance and longevity. Here's a step-by-step guide, along with recommended tools and best practices, to help you tackle the job like a pro.
Tools and Materials You'll Need
Before starting, gather all necessary tools and materials:
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Socket set and wrenches (metric sizes)
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Screwdrivers (Phillips and flathead)
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Drain pan and funnel
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Pliers (for hose clamps)
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Coolant (manufacturer-recommended or high-performance variant)
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New radiator hoses (optional but recommended)
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High-pressure radiator cap (optional)
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Shop towels or rags
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Safety gloves and eyewear
Step-by-Step Installation Process
Step 1: Prepare Your Workspace
Park the motorcycle on a flat surface using a rear stand or kickstand. Ensure the engine is cool before beginning. Place a drain pan under the radiator and remove the radiator cap to relieve pressure.
Step 2: Drain the Coolant
Locate the coolant drain bolt (usually at the base of the radiator or water pump). Unscrew it and let the coolant drain completely. Then, dispose of the old coolant responsibly.
Step 3: Remove Existing Radiator
Take off any fairings or covers obstructing access. Disconnect the radiator hoses and wiring (like fan connectors or temp sensors). Unbolt the radiator from its mounting points and carefully remove it.
Step 4: Prep the Aftermarket Radiator
Inspect the new radiator for any shipping damage. If it includes mounting brackets or spacers, install them now. Pre-fit the radiator to ensure alignment with factory mounting points.
Step 5: Install the Radiator
Secure the aftermarket radiator using the original or supplied hardware. Attach hoses, making sure connections are tight. If upgrading to silicone hoses or a high-pressure cap, install them now. Reconnect any electrical connectors.
Step 6: Refill with Coolant
Use a funnel to refill the radiator with coolant. Start the engine and let it run with the radiator cap off to allow air bubbles to escape. Once the system burps and the coolant level stabilizes, top off and secure the cap.
Step 7: Check for Leaks and Test Ride
Inspect all connections for leaks. Reinstall fairings and covers. Take the motorcycle for a short ride, monitoring the temperature gauge and checking for any abnormalities.
Step 8: Final Inspection
Once the bike cools down, recheck coolant levels and look for leaks again. Tighten any loose bolts or hose clamps as needed.
Reach Out to Myler's Inc. Today
Upgrading to an aftermarket motorcycle radiator can significantly improve your bike's cooling system, especially if you ride hard, race, or live in hot climates. The benefits in cooling efficiency, durability, and style often outweigh the drawbacks, provided you do your homework and approach the installation with care.
However, not all radiators are created equal. It pays to invest in a reputable brand known for quality and performance. That's where Myler's Inc. comes in. With decades of expertise and a commitment to quality, we offer the best radiators, parts, and accessories for dirt bikes, street bikes, ATVs, and UTVs. Whether you need a direct OEM replacement or a high-performance upgrade, Myler's has what you need to keep your ride cool and performing at its best.
Ready to upgrade your cooling system? Explore our top-tier aftermarket motorcycle radiators and accessories. Your engine will thank you. Contact Us.