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Harley Davidson Drive Belt Size Chart: A Comprehensive Guide

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Harley Davidson motorcycles are known for their unique design and power-packed performance. One of the critical components that contribute to the smooth functioning of these bikes is the drive belt. A drive belt is a crucial part of the belt drive system that transmits power from the engine to the rear wheel of the motorcycle. Over time, the drive belt of a Harley Davidson bike may wear out, and it becomes necessary to replace it. In such cases, it is essential to choose the right size of the drive belt to ensure optimal performance.

Harley Davidson Drive Belt Size Chart is a valuable resource for any Harley owner or enthusiast. The chart provides information on the size of the drive belt required for different models of Harley Davidson bikes. The chart includes the width of the belt, the number of teeth, and the corresponding part numbers for each model and year. Harley Davidson Drive Belt Size Chart is an essential tool for anyone looking to replace the drive belt of their Harley Davidson bike and ensure that it fits perfectly.

Regular maintenance of the drive belt is crucial for the longevity and performance of the motorcycle. A worn-out drive belt can cause vibrations, noise, and even damage to other components of the bike. Therefore, it is essential to keep an eye on the condition of the drive belt and replace it when necessary. With the help of the Harley Davidson Drive Belt Size Chart, Harley owners can easily find the right size of the drive belt and ensure that their bike runs smoothly.

Understanding Drive Belts

Basics of Belt Drives

A belt drive is a type of mechanical power transmission system that utilizes a looped belt to transfer power from the engine to the wheels. The belt is typically made of rubber or other synthetic materials and is reinforced with cords made of nylon, fiberglass, or other materials.

Belt drives are commonly used in motorcycles because they are less expensive, lighter, and require less maintenance compared to other drive systems like chain or shaft drives. They also produce less noise and vibration, resulting in a smoother riding experience.

Advantages of Belt Drive Systems

One of the main advantages of belt drives is that they require less maintenance compared to chain or shaft drives. Belt drives don’t need lubrication, adjustment, or regular replacement like chains do. This means that riders can focus more on enjoying the ride and less on maintenance.

Another advantage of belt drives is that they produce less noise and vibration compared to chain or shaft drives. This results in a smoother and more comfortable riding experience, especially during long rides.

Belt vs. Chain vs. Shaft Drives

Belt drives, chain drives, and shaft drives are the three most common types of motorcycle drive systems. While each system has its own advantages and disadvantages, belt drives are often preferred for their lower cost, lighter weight, and lower maintenance requirements.

Chain drives, on the other hand, are known for their durability and efficiency. They are often used in high-performance motorcycles because they can handle high torque loads and provide excellent acceleration.

Shaft drives are the least common type of drive system used in motorcycles. They are often found in touring bikes and cruisers because they provide a smooth and quiet ride. However, they are also the heaviest and most expensive type of drive system.

In summary, belt drives are a popular choice for motorcycle drive systems because they are less expensive, lighter, and require less maintenance compared to chain or shaft drives. They also produce less noise and vibration, resulting in a smoother and more comfortable riding experience.

Harley Davidson Drive Belt Specifications

Harley Davidson motorcycles are known for their powerful engines, sleek designs, and exceptional performance. One of the crucial components of these motorcycles is the drive belt, which plays a significant role in transferring power from the engine to the rear wheel. In this section, we will explore the various specifications of the Harley Davidson drive belt size chart.

Identifying Correct Belt Size

Identifying the correct belt size is essential to ensure optimal performance and longevity of your Harley Davidson motorcycle. The size of the belt is determined by its width and the number of teeth on the belt. The width of the belt can range from 20mm to 1-1/2 inches, while the number of teeth can range from 125 to 170.

To identify the correct belt size for your Harley Davidson motorcycle, you must first determine the size of the rear wheel pulley. Once you have this information, you can refer to the Harley Davidson drive belt size chart to find the appropriate belt size for your motorcycle.

Width and Tooth Count

The width and tooth count of the drive belt are crucial factors that determine its compatibility with your Harley Davidson motorcycle. The wider the belt, the more power it can transfer from the engine to the rear wheel. Similarly, the number of teeth on the belt determines the gear ratio, which affects the acceleration and top speed of your motorcycle.

It is essential to choose the correct width and tooth count of the drive belt to ensure optimal performance and longevity of your Harley Davidson motorcycle.

Compatibility Across Series

The Harley Davidson drive belt size chart is applicable to various series of Harley Davidson motorcycles, including the Touring series, Softail series, Street series, and FX/FXR/FXD/FLD/Dyna series. However, it is essential to note that the width and tooth count of the drive belt may vary depending on the specific model and production year of your motorcycle.

It is crucial to refer to the manufacturer’s specifications and the Harley Davidson drive belt size chart to ensure that you choose the correct drive belt for your motorcycle.

In summary, understanding the various specifications of the Harley Davidson drive belt size chart is essential to ensure optimal performance and longevity of your motorcycle. By identifying the correct belt size, width, and tooth count, you can ensure that your Harley Davidson motorcycle delivers exceptional performance and reliability.

Model-Specific Belt Size Charts

When it comes to finding the right drive belt for your Harley Davidson motorcycle, it’s important to know the specific size chart for your bike’s series. Here are the size charts for the most popular Harley Davidson series:

Touring Series Size Chart

The Touring series of Harley Davidson motorcycles requires a drive belt with a width of 1-1/2″ and a tooth count of 139. The part number for this belt is 40024-07.

Softail Series Size Chart

For Softail series bikes, the drive belt width ranges from 20mm to 1-1/2″, with tooth counts ranging from 125 to 170. The specific drive belt size will depend on the rear wheel pulley size. It’s important to match the tooth count on the pulley with the tooth count on the belt. Here are some common drive belt sizes for Softail bikes:

  • 1-1/2″ Wide Belts, 125 Tooth: Fits 80-86 FXB, FXSB, FXWG; 82-84 FL (HD# 40003-79)
  • 1-1/2″ Wide Belts, 126 Tooth: Special Application
  • 1-1/2″ Wide Belts, 128 Tooth: Fits 91-03 FXD, FXDWG (HD# 40024-91)
  • 1-1/2″ Wide Belts, 130 Tooth: Fits 07-17 FLSTC, FLSTF, FLSTN, FLSTS, FXSTS, FXSTSB (HD# 40025-07)
  • 1-1/2″ Wide Belts, 132 Tooth: Fits 07-17 FXST, FXSTB, FXSTC (HD# 40022-07)
  • 1-1/2″ Wide Belts, 133 Tooth: Fits 07-17 FLHR, FLHRC (HD# 40023-07)
  • 1-1/2″ Wide Belts, 135 Tooth: Fits 06-17 FXD, FXDWG (HD# 40019-06)
  • 1-1/2″ Wide Belts, 136 Tooth: Fits 00-06 FXST, FXSTB, FXSTS, FXSTSB (HD# 40008-00)
  • 1-1/2″ Wide Belts, 139 Tooth: Fits 07-17 FLHR, FLHRC (HD# 40024-07)
  • 1-1/2″ Wide Belts, 141 Tooth: Fits 00-05 FXST, FXSTB, FXSTS, FXSTSB (HD# 40009-00)
  • 1-1/2″ Wide Belts, 142 Tooth: Fits 00-05 FLST, FLSTC, FLSTF, FLSTN, FLSTS (HD# 40010-00)

Sportster Series Size Chart

The Sportster series of Harley Davidson motorcycles requires a drive belt with a width of 1-1/2″ and a tooth count of 128. The part number for this belt is 40024-91.

Dyna Series Size Chart

For Dyna series bikes, the drive belt width ranges from 20mm to 1-1/2″, with tooth counts ranging from 125 to 139. The specific drive belt size will depend on the rear wheel pulley size. It’s important to match the tooth count on the pulley with the tooth count on the belt. Here are some common drive belt sizes for Dyna bikes:

  • 1-1/2″ Wide Belts, 125 Tooth: Fits 91-03 FXD, FXDWG (HD# 40024-91)
  • 1-1/2″ Wide Belts, 128 Tooth: Fits 06-17 FXD, FXDWG (HD# 40019-06)
  • 1-1/2″ Wide Belts, 132 Tooth: Fits 07-17 FXD, FXDWG (HD# 40022-07)
  • 1-1/2″ Wide Belts, 139 Tooth: Fits 07-17 FXD, FXDWG (HD# 40024-07)

Street Series Size Chart

The Street series of Harley Davidson motorcycles requires a drive belt with a width of 20mm and a tooth count of 128. The part number for this belt is 40024-91.

V-Rod Series Size Chart

For V-Rod series bikes, the drive belt width ranges from 20mm to 1-1/2″, with tooth counts ranging from 125 to 139. The specific drive belt size will depend on

Maintenance and Replacement

Regular maintenance of the drive belt is essential for ensuring a smooth and safe ride on a Harley Davidson motorcycle. Inspecting the belt for wear and damage is an important part of this maintenance routine.

Inspecting for Wear and Damage

During inspection, it is important to check for signs of excessive wear and tear, cracks, missing teeth, or tooth shear on the belt. If the belt is worn out or damaged, it can lead to serious problems such as reduced performance, increased fuel consumption, or even complete failure while riding.

When to Replace Your Drive Belt

It is recommended to replace the drive belt after every 20,000 miles of use or if any of the above signs of damage are observed during inspection. However, it is important to keep in mind that riding conditions and individual riding styles can affect the lifespan of the belt.

Choosing a Replacement Belt

When choosing a compatible replacement option for a worn-out belt, it is important to consider the rear wheel pulley size and the tooth count on the pulley. The Harley Davidson drive belt size chart can be a useful resource in selecting the most suitable belt for a specific motorcycle model.

Overall, regular inspection and maintenance of the drive belt can help ensure a safe and enjoyable riding experience on a Harley Davidson motorcycle. Proper replacement of a worn-out or damaged belt with a compatible option can also help reduce maintenance needs and prolong the life of the rear wheel pulley and sprockets.

Installation and Adjustment

Preparing for Belt Installation

Before installing a new drive belt, it is important to ensure that the correct size and fit have been determined. The Harley Davidson drive belt size chart provides all the necessary information to select the right belt for the bike. The incorrect size can lead to slippage, loss of power, and potential damage to the bike.

To prepare for the installation, the bike should be placed on a lift or center stand to allow for easy access to the rear wheel. The old belt should be removed, and the pulleys and sprockets should be inspected for any damage or wear. Any issues should be addressed before proceeding with the installation.

Correct Installation Process

The correct installation process is crucial for optimal performance and safety. The new belt should be placed on the rear sprocket first and then threaded through the primary drive. The belt should be checked for proper alignment and tension before tightening the bolts on the rear wheel.

It is important to follow the manufacturer’s recommended torque specifications when tightening the bolts. Overtightening can cause excessive wear on the belt and pulleys, while undertightening can lead to slippage and loss of power.

Adjusting Belt Tension

After the installation, the belt tension should be checked and adjusted as necessary. The correct tension ensures optimal performance and prevents premature wear on the belt and pulleys.

To adjust the tension, the bike should be placed on a level surface, and the tension should be checked using a belt tension gauge. The tension should be adjusted by loosening the rear wheel bolts and moving the wheel forward or backward as needed. The manufacturer’s recommended tension range should be followed.

In conclusion, proper installation and adjustment of the drive belt are essential for optimal performance and safety. By following the correct procedures and using the Harley Davidson drive belt size chart, the bike owner can ensure the correct fit and tension for the drive belt.

Troubleshooting Common Issues

Experienced riders know that regular inspection and maintenance of the drive belt system is essential to ensure that their Harley Davidson motorcycle is safe on the road. Even with proper care, issues can arise that require troubleshooting. Here are some common issues and how to address them.

Dealing with Slippage and Misalignment

Slippage and misalignment are common issues that can arise with the drive belt system. Slippage can occur when the belt is loose or worn, causing it to slip on the pulley. Misalignment can occur when the belt is not properly aligned with the pulley, causing it to wear unevenly and eventually break.

To address slippage and misalignment, riders should regularly inspect the belt tension and alignment. If the belt is loose or worn, it should be replaced. If the belt is misaligned, the pulleys should be adjusted to ensure proper alignment.

Addressing Noise and Vibration

Noise and vibration can also occur with the drive belt system. This can be caused by a variety of issues, including worn or damaged belts, loose pulleys, or improper tension.

To address noise and vibration, riders should inspect the belt and pulleys for damage or wear. If the belt is worn or damaged, it should be replaced. If the pulleys are loose, they should be tightened. If the tension is improper, it should be adjusted.

Handling Belt Breakage

Belt breakage is a serious issue that can occur if the belt is worn, damaged, or brittle. If the belt breaks while riding, it can cause serious damage to the motorcycle and put the rider in danger.

To handle belt breakage, riders should inspect the belt regularly for signs of wear, damage, or brittleness. If any issues are detected, the belt should be replaced immediately. Regular inspection and maintenance can help prevent belt breakage and ensure that the motorcycle is safe on the road.

In summary, troubleshooting common issues with the drive belt system is an essential part of keeping a Harley Davidson motorcycle operational and safe on the road. Regular inspection and maintenance can help prevent issues such as slippage, misalignment, noise, vibration, and belt breakage. By addressing these issues promptly, riders can ensure that their motorcycle is in top condition and ready for the road.

Enhancements and Customization

Harley-Davidson motorcycles are known for their high-performance engines and unique styling. To further enhance the performance and customization of your Harley, upgrading to a high-performance drive belt is a popular option.

Upgrading to High-Performance Belts

High-performance drive belts are designed to handle the added stress and power of custom engines and aftermarket modifications. These belts are made from stronger materials and have a higher tooth count for better grip and durability. Upgrading to a high-performance belt can improve acceleration, reduce belt slip, and increase overall performance.

Custom Belt Designs

For riders looking to add a personal touch to their Harley, custom belt designs are a popular option. Many aftermarket companies offer a wide range of designs, from simple patterns to intricate graphics. Custom belts can add a unique look to your bike and are a great way to showcase your individual style.

Wide Belts for Increased Durability

Wide belts are another popular option for Harley riders looking to increase the longevity of their drive belt. Wide belts offer increased surface area, which helps distribute the load and reduce wear. They are also more resistant to stretching and can handle higher torque loads.

When considering enhancements and customization options for your Harley-Davidson, it is important to keep in mind the specifications and performance requirements of your bike. Upgrading to a high-performance drive belt or adding a custom design can improve the overall performance and look of your bike, while wide belts can increase durability and longevity.