Did you know that a reliable battery can enhance your Harley FXR's performance by up to 30%? Choosing the right battery isn't just about power; it's about ensuring your ride's longevity and reliability. With various options available, each designed to meet the unique needs of your motorcycle, understanding the best choices can greatly impact your experience on the road. So, what are the top contenders that promise both power and performance you can trust?

Quick Takeaways

• The RG20-WS battery offers over 500 CCA, ideal for high-compression engines, ensuring reliable cold starts.
• The Energizer T16 AGM battery is compact and lightweight, providing robust starting power with a 19 Ahr capacity.
• PowerStar HD battery features a 20 Ah capacity and 310 CCA, compatible with multiple FXR part numbers, backed by a 3-year warranty.
• The YTX20HL-BS battery is spill-proof and low maintenance, designed with Absorbed Glass Mat technology for excellent charge retention.
• The Mighty Max YTX20L-BS Gel battery is shock-resistant, supports deep cycling, and includes a charger, ensuring durability for various riding conditions.

1991 Harley FXR Super Glide Replacement Motorcycle Battery

For Harley FXR owners looking for a reliable and powerful replacement battery, the 1991 Harley FXR Super Glide Replacement Motorcycle Battery stands out. Known as the RG20-WS, this maintenance-free, factory-sealed battery boasts over 500 cold cranking amps, making it ideal for starting high-compression motors.

Its dimensions of 6 3/4 x 3 1/4 x 6 1/8 inches and weight of 13.9 pounds guarantee it fits snugly within the bike's battery compartment. Constructed with AGM technology, it features an impact-resistant case and is fully charged before shipping.

Users consistently praise its strong cranking power and dependable performance, even after extended periods of inactivity. With a solid 4.2-star rating, it's a top choice for Harley enthusiasts seeking durability and reliability.

Best For: Harley FXR owners seeking a reliable and powerful battery replacement for high-compression motors.

Pros:

• Strong cranking power with over 500 cold cranking amps, suitable for starting high-compression engines.
• Maintenance-free and factory-sealed, providing convenience and reducing upkeep.
• Positive user feedback highlights durability and consistent performance, even after long periods of inactivity.

Cons:

• Weight of 13.9 pounds may be slightly heavier compared to some alternatives.
• Limited compatibility primarily designed for specific Harley models, which may not suit all motorcycles.
• Average rating of 4.2 stars, indicating some variability in user experiences.

Energizer T16 AGM Motorcycle and Personal Water Craft Battery

The Energizer T16 AGM Motorcycle and Personal Water Craft Battery stands out as an exceptional choice for Harley FXR riders seeking reliable power and performance.

With 260 cold cranking amps and a 19 Ahr capacity, this battery guarantees robust starting power in various conditions. Its compact dimensions and lightweight design make it easy to install, while the advanced Absorbent Glass Mat technology supports consistent charging and discharging without performance loss.

Maintenance-free and factory-sealed, it's ready to use right out of the box. The non-spillable and vibration-resistant features enhance its durability, making it compatible with various motorcycle models.

While feedback is generally positive, some users noted issues with terminal fitment. Overall, it's a solid option for dependable energy on the road.

Best For: Riders of Harley FXR motorcycles and personal watercraft looking for a reliable and maintenance-free battery option.

Pros:

• AGM technology ensures consistent performance with no maintenance required.
• Lightweight and compact design makes installation easy and convenient.
• Durable and spill-proof construction enhances reliability in various riding conditions.

Cons:

• Some users reported issues with terminal fitment.
• A few customers experienced reliability concerns over time.
• Average customer rating of 4.0 out of 5 stars indicates mixed feedback.

PowerStar HD Replacement Battery for Harley Davidson FX/FXR Series 1340CC

PowerStar HD Replacement Battery stands out as an excellent choice for Harley Davidson FX/FXR Series 1340CC riders seeking reliability and performance.

This AGM sealed lead acid battery delivers a robust 12V power with a capacity of 20 Ah and an impressive cold cranking amps rating of 310 CCA, ensuring strong starting performance.

Weighing 13.44 lbs and measuring 6.89 x 3.43 x 6.14 inches, it fits seamlessly into various applications, including motorcycles and ATVs.

Compatible with multiple part numbers like YTX20-BS and GTX20-BS, it offers versatility for riders.

With a 3-year warranty and a solid 4.1-star rating from customers, many users appreciate its excellent fit and professional shipping, making it a trusted option for Harley enthusiasts.

Best For: Harley Davidson FX/FXR Series 1340CC riders looking for a reliable and high-performance replacement battery.

Pros:

• Strong starting performance with 310 CCA, ideal for cold weather conditions.
• Versatile compatibility with multiple part numbers, making it suitable for various applications.
• 3-year warranty provides peace of mind for buyers.

Cons:

• Some users reported issues with battery life over time.
• A few customers experienced fitment problems in certain models.
• Best Sellers Rank indicates it may not be as popular as other options in the market.

Rechargeable YTX20HL-BS High Performance Power Sports Battery

Designed with versatility in mind, the Rechargeable YTX20HL-BS High Performance Power Sports Battery is an excellent choice for Harley FXR enthusiasts.

This AGM battery features a Nut & Bolt (T3) terminal and can fit various applications, including motorcycles, ATVs, and jet skis.

Weighing just 3.43 pounds and measuring 6.89 x 6.1 x 3.43 inches, it's lightweight and compact.

Thanks to its Absorbed Glass Mat technology, it operates spill-proof and requires minimal maintenance.

The battery comes fully charged and ready for use, with an impressive 18 Amps and 216 Watts of power.

Customer feedback highlights its perfect fit and charge retention, making it a reliable option for performance-focused riders.

Best For: Riders looking for a reliable, high-performance battery that fits various power sports applications, including motorcycles and ATVs.

Pros:

• Lightweight and compact design makes it easy to install and handle.
• Absorbed Glass Mat technology ensures low maintenance and spill-proof operation.
• Comes fully charged and ready for immediate use, with excellent charge retention.

Cons:

• Some customers have reported issues with battery charge levels upon delivery.
• May not fit all models, requiring verification of compatibility with OEM part numbers.
• A few users expressed concerns about the overall longevity compared to competitors.

Mighty Max Battery YTX20L-BS Gel for Harley-D FXRS Low Rider

For Harley FXR owners seeking a reliable and maintenance-free power source, the Mighty Max Battery YTX20L-BS Gel stands out as an excellent choice.

This factory-activated GEL battery replaces the Harley-D FXRS Low Rider models from 1984 to 1994 and comes with a 12V 4A charger.

With a capacity of 12V 18AH and 270 Cold Cranking Amps, it delivers powerful performance in various conditions.

Its true deep cycle design allows for versatile mounting, while its shock and vibration resistance guarantees durability.

The advanced design requires no acid pack and functions right out of the box.

Weighing 16 pounds, it includes all necessary screws, though mounting accessories aren't provided.

This battery promises long-lasting reliability for any ride.

Best For: Harley FXR owners looking for a reliable and maintenance-free battery solution for their motorcycles.

Pros:

• Maintenance-free design with factory activation for immediate use.
• Durable construction that resists shocks and vibrations, suitable for various riding conditions.
• Versatile mounting options due to true deep cycle capability.

Cons:

• No wire harness or mounting accessories included, which may require additional purchases.
• Weight of 16 pounds may be a consideration for some riders looking for lightweight options.
• Limited warranty information available upon request, potentially causing concerns for buyers.

Factors to Consider When Choosing a Battery for Harley FXR

When choosing a battery for your Harley FXR, you'll want to contemplate several key factors.

Cold cranking amps, battery type, dimensions, maintenance needs, and model compatibility can all impact your bike's performance.

Making the right choice guarantees your ride stays reliable and powerful.

Cold Cranking Amps

Choosing the right battery for your Harley FXR means paying close attention to Cold Cranking Amps (CCA), which gauge the battery's power to start your engine in cold conditions. Fundamentally, CCA measures how much power a battery can deliver at 0°F for 30 seconds while maintaining a voltage of at least 7.2 volts.

For your Harley FXR, aim for a battery with a CCA rating between 270 and 500. This range guarantees reliable starting performance, particularly if your bike has a high-compression engine, which demands more power to start efficiently.

If you opt for a battery with too low a CCA rating, you might face starting difficulties—especially during those chilly mornings or after your bike's been sitting for a while.

When you compare batteries, keep in mind that those boasting higher CCA ratings typically deliver better performance, particularly in demanding riding situations. Investing in a battery with adequate CCA not only enhances your bike's reliability but also gives you peace of mind when you hit the road.

Battery Type Selection

Selecting the right battery type for your Harley FXR is essential for guaranteeing maximum performance and reliability. One popular choice is the AGM (Absorbed Glass Mat) battery. It offers maintenance-free operation and is spill-proof, making it a convenient option for riders who want to avoid the hassle of regular upkeep.

When choosing a battery, you'll want to pay attention to the cold cranking amps (CCA) rating. A higher CCA means better starting power, especially in cold conditions. Look for batteries with 500+ CCAs if your FXR has a high-compression motor, as they provide the necessary power to start your bike reliably.

Always check for compatibility with OEM part numbers to guarantee the battery fits and functions properly in your model.

Additionally, the battery's weight can influence your motorcycle's handling. Most suitable batteries for the FXR weigh around 13 to 14 pounds.

Dimensions and Weight

Dimensions and weight play an important role in finding the right battery for your Harley FXR. Typically, motorcycle batteries for this model range from 6.75 to 6.89 inches in length, 3.25 to 3.43 inches in width, and 6.10 to 6.14 inches in height. Confirming these dimensions match your battery compartment is vital for a secure fit and peak performance.

When it comes to weight, you'll generally find that these batteries fall between 13.44 to 16 pounds. The weight can greatly impact your bike's overall handling and performance. Lighter batteries may improve agility, but they can compromise starting power, especially in high-compression engines.

On the other hand, opting for a slightly heavier battery could enhance your cold cranking amps (CCAs), which is necessary for reliable starting in colder weather conditions.

Ultimately, you'll want to strike a balance between dimensions and weight to guarantee your Harley FXR performs at its best. Take the time to measure your battery compartment and weigh the pros and cons of each option, so you can select a battery that meets your needs without sacrificing performance.

Maintenance Requirements

When it comes to battery maintenance for your Harley FXR, understanding the different types available can make a significant difference in performance and longevity.

Many replacement batteries, like AGM types, are maintenance-free and come factory-sealed. This means you won't need to worry about topping off with water regularly, which simplifies your maintenance routine.

AGM batteries use absorbed glass mat technology, reducing the risk of spills and guaranteeing reliable performance in various riding conditions.

If you're considering gel batteries, they also offer maintenance-free operation and can be mounted in any position, giving you installation flexibility.

Even though most modern batteries are designed to be maintenance-free, it's wise to perform regular visual inspections.

Check for corrosion around terminals and verify the terminals are tight. This simple step can help extend the lifespan of lead-acid batteries, regardless of their maintenance requirements.

Lastly, always follow the manufacturer's guidelines for best care.

Compatibility With Models

Choosing the right battery for your Harley FXR involves several vital factors to guarantee peak performance.

First, make certain the battery matches specific part numbers compatible with your model, such as YTX20-BS, BTX20-BS, or RG20-WS. This guarantees a proper fit and ideal performance.

Next, consider the battery's dimensions. It's essential that the battery fits snugly within the designated compartment of your FXR. An ill-fitting battery can lead to potential damage or operational issues.

Also, verify the Cold Cranking Amps (CCA) rating. Aim for a battery with a CCA rating of 500+ to effectively start the high-compression engine typically found in motorcycles.

Additionally, check the terminal configuration to make sure the positive and negative terminals align with your existing wiring setup. Misaligned terminals can complicate installation and affect performance.

Common Questions

How Do I Properly Maintain My Harley FXR Battery?

To properly maintain your Harley FXR battery, start by checking the fluid levels regularly and topping them off if needed.

Keep the battery terminals clean and free of corrosion; a mixture of baking soda and water works well for this.

Confirm the battery's connections are tight and secure.

Avoid deep discharges by charging it regularly, especially during long periods of inactivity.

What Is the Average Lifespan of Harley FXR Batteries?

Think of your Harley FXR battery like a trusty steed; it needs care to keep galloping down the road.

Generally, these batteries last around 3 to 5 years, but that can vary based on usage and maintenance. If you're riding often and keeping it charged, you might enjoy a longer lifespan.

Regular checks and proper storage during downtime can really help you extend its life, ensuring your ride's always ready to roll.

Can I Use a Car Battery in My Harley Fxr?

You shouldn't use a car battery in your Harley FXR.

Car batteries are designed for different purposes, mainly providing high cranking amps for starting engines, while motorcycle batteries focus on delivering consistent power.

Using a car battery could lead to poor performance and potential damage to your bike's electrical system.

Stick with a battery specifically designed for motorcycles to guarantee reliability and peak performance on the road.

What Are Signs My Harley FXR Battery Needs Replacing?

You'll notice a few signs that your Harley FXR battery needs replacing. If your bike struggles to start, or if the lights flicker while you're riding, it's time to pay attention.

You might also see corrosion around the terminals or a swollen battery case. If the battery's age is over three to five years, it's likely nearing the end of its life.

Regularly check these signs to guarantee your bike runs smoothly.

Are Lithium Batteries a Good Option for Harley Fxr?

Lithium batteries can be a great option for your Harley FXR.

They're lighter than traditional lead-acid batteries, which can improve your bike's performance and handling. Plus, they typically have a longer lifespan and faster charging times.

However, you should verify your charging system is compatible, as lithium batteries require specific chargers.

Wrapping Up

Choosing the right battery for your Harley FXR is like picking the perfect fuel for a high-performance engine—it's essential for peak performance. With options like the RG20-WS and Energizer T16 AGM, you can trust that your bike will have the power it needs to roar down the road. Don't settle for anything less than reliable and durable. By considering your riding style and the specific demands of your bike, you'll guarantee a smooth and thrilling ride every time.