Harley Davidson Throw Out Bearing Replacement: A Comprehensive Guide
Harley Davidson Throw Out Bearing Replacement: A Comprehensive Guide
Introduction
The Harley Davidson throw out bearing is a critical component of the motorcycles transmission system. It aids in disengaging the clutch, allowing the rider to shift gears smoothly and efficiently. Replacing a worn or damaged throw out bearing is essential for maintaining optimal performance and preventing further damage to the motorcycles drivetrain. This comprehensive guide will provide you with a step-by-step process for Harley Davidson throw out bearing replacement, ensuring a successful and hassle-free repair.
Symptoms of a Failing Throw Out Bearing
* Difficulty shifting gears
* Grinding or rattling noises when shifting
* Clutch slippage
* Excessive wear on the clutch disc
Tools and Materials Required
* Harley Davidson throw out bearing replacement kit
* Transmission jack
* Socket wrench set
* Torque wrench
* Pry bar
* Needle-nose pliers
* Safety glasses and gloves
Step-by-Step Replacement Procedure
1. Safety Precautions
Ensure the motorcycle is parked on a level surface and the engine is turned off. Wear appropriate safety gear, including gloves and glasses, to protect yourself from hot components and sharp edges.
2. Remove the Transmission
Use a transmission jack to support the transmission and remove the bolts securing it to the engine. Carefully lower the transmission and disconnect the clutch cable.
3. Inspect the Throw Out Bearing
Inspect the old throw out bearing for wear, damage, or contamination. If the bearing is worn or damaged, it must be replaced.
4. Install the New Throw Out Bearing
Apply a thin layer of high-temperature grease to the new throw out bearing. Carefully align the bearing with the clutch fork and press it into place using a 1-1/8" socket.
5. Reinstall the Transmission
Lift the transmission into place and reconnect the clutch cable. Tighten the bolts securing the transmission to the engine to the specified torque.
6. Adjust the Clutch
Follow the manufacturers instructions to adjust the clutch for proper engagement and disengagement.
7. Test Ride
Start the motorcycle and take it for a test ride. Test the clutchs operation in various riding conditions to ensure proper shifting and clutch performance.
Common Mistakes to Avoid
* Using the wrong replacement kit. Ensure you purchase a Harley Davidson throw out bearing replacement kit specifically designed for your motorcycle model.
* Failing to torque the bolts to the correct specifications. Improper torque can lead to loose or broken bolts, compromising the integrity of the repair.
* Reusing an old or damaged throw out bearing. Always replace a failing bearing with a new one to ensure reliable clutch performance.
Interesting Story Cases
* A Harley Davidson owner with over 50,000 miles on their motorcycle experienced difficulty shifting gears. After replacing the throw out bearing, the problem was resolved, and the rider enjoyed smooth shifting for another 20,000 miles.
* A mechanic was faced with a particularly stubborn throw out bearing that refused to come off the clutch fork. After several attempts, he realized the bearing was corroded and had fused to the fork. He used a penetrating lubricant and a pry bar to carefully remove the bearing, saving the customer from a costly replacement of the entire clutch assembly.
* A group of Harley riders planned a cross-country road trip. One riders clutch started slipping, and the group had to pull over for repairs. The riders discovered a loose throw out bearing and replaced it using the tools they had in their tool kit. The group continued their journey without further incident.
Conclusion
Replacing a Harley Davidson throw out bearing is a relatively straightforward procedure that can be performed by experienced riders or mechanics with the proper tools and knowledge. By following the steps outlined in this guide and avoiding common mistakes, you can effectively restore the performance and reliability of your motorcycles drivetrain. Remember to consider the safety precautions and consult your motorcycles service manual for specific details on your particular model. With a properly replaced throw out bearing, you can enjoy smooth and effortless shifting for many more miles to come.