1. Introduction
This instruction manual provides detailed guidance for the safe and effective use of your Orion Motor Tech Wheel Bearing Puller Tool Kit. This comprehensive 18-piece set is designed for the removal and installation of sealed wheel bearings on Harley-Davidson motorcycles, specifically accommodating 0.75-inch, 1-inch, and 25-millimeter bearing sizes without causing damage to the wheels.

Figure 1: The Orion Motor Tech Wheel Bearing Puller Tool Kit neatly organized in its durable blue blow-molded case.
2. Product Components
The Orion Motor Tech Wheel Bearing Puller Tool Kit includes the following 18 essential pieces, designed for efficient and damage-free bearing service:
- 1 x Main Body Puller
- 3 x Bearing Pullers (for 0.75", 1", and 25mm bearings)
- 1 x Expander Dowel
- 3 x Bearing Installers (for 0.75", 1", and 25mm bearings)
- 1 x Backing Plate
- 1 x Installation Bolt
- 3 x Nuts
- 1 x Brass Washer
- 4 x Washers
Figure 2: A detailed view of all 18 components included in the tool kit, ready for use.
3. Compatibility
This tool kit is specifically engineered for compatibility with most Harley-Davidson motorcycles manufactured from the year 2000 onwards. It supports the common wheel bearing sizes found in these models:
- 0.75-inch (3/4") sealed wheel bearings
- 1-inch sealed wheel bearings
- 25-millimeter sealed wheel bearings
Specific model compatibility includes:
- Sportster Models (since 2000)
- Twin Cam Models (since 2000)
- VRSC Models (since 2002)
- Models with 25 mm Wheel Bearings (since 2007)
Figure 3: Visual representation of the tool kit's compatibility with various Harley-Davidson motorcycle models.
4. Key Features
- Quick & Easy Operation: This tool set facilitates the installation and removal of sealed wheel bearings without causing damage to the wheel itself, streamlining the maintenance process.
- Inclusive Set: The kit provides all necessary components—pullers, bolts, plates, and dowels—to service your motorcycle's wheel bearings, reducing the need for additional specialized tools.
- Built to Last: Constructed from premium AISI 1045 medium carbon steel, the components offer strong and dependable long-term service. The threaded rods are heat-treated and blackened for enhanced strength and corrosion resistance.
- Secure Design: The pullers feature a secure design that firmly holds needle bearings and prevents them from slipping or falling into the crankcase during operation.
- Convenient Case: All tools are organized within a durable blow-molded case, ensuring easy storage, transport, and maintenance of the kit.
Figure 4: The secure design of the puller ensures a firm grip on bearings, preventing slippage.
Figure 5: The tool kit is engineered for superior durability and long-term performance.
5. Setup
Before beginning any work on your motorcycle's wheel bearings, ensure you have a clean, well-lit workspace and all necessary safety equipment, including gloves and eye protection.
- Prepare the Motorcycle: Securely lift and support the motorcycle to allow free rotation of the wheel. Remove the wheel from the motorcycle according to your motorcycle's service manual.
- Inspect the Wheel: Clean the wheel hub thoroughly to remove any dirt, grease, or debris that could interfere with the tool's operation or contaminate new bearings.
- Identify Bearing Size: Determine the size of the wheel bearings (0.75", 1", or 25mm) to select the appropriate puller and installer components from the kit.
- Lubricate Threads: Apply a small amount of grease or anti-seize compound to the threads of the main puller bolt and expander dowel. This will ensure smooth operation and prevent premature wear or stripping.
6. Operating Instructions
6.1. Bearing Removal
Follow these steps to safely remove the old wheel bearings:
- Select Puller: Choose the bearing puller that matches the internal diameter of your wheel bearing (0.75", 1", or 25mm).
- Insert Puller: Insert the selected bearing puller into the center of the bearing. Ensure it is seated firmly and evenly within the bearing's inner race.
- Expand Puller: Use the expander dowel and a wrench to gently expand the puller within the bearing. Tighten just enough to create a snug fit. Avoid over-tightening, which can damage the puller or bearing.
- Attach Main Body Puller: Thread the main body puller onto the expanded bearing puller.
- Extract Bearing: Using a wrench, slowly turn the main body puller's bolt. This action will draw the bearing out of the wheel hub. Continue until the bearing is fully removed.
- Repeat: Repeat the process for any remaining bearings in the wheel.
Figure 6: The tool facilitates sealed wheel bearing removal for various sizes.
6.2. Bearing Installation
Follow these steps to safely install new wheel bearings:
- Clean Hub: Ensure the wheel hub bore is clean and free of any burrs or debris.
- Position New Bearing: Carefully place the new bearing squarely into the wheel hub bore.
- Select Installer: Choose the bearing installer that matches the outer diameter of your new bearing.
- Assemble Installer: Place the selected bearing installer over the new bearing. Insert the installation bolt through the installer and the wheel hub, securing it with the appropriate nuts and washers on the opposite side.
- Press Bearing: Slowly and evenly tighten the installation bolt using a wrench. This will press the new bearing into the hub. Ensure the bearing goes in straight and does not cock or bind. Continue until the bearing is fully seated to its proper depth.
- Verify Seating: Once installed, verify that the bearing is fully seated and flush with the hub, or to the specified depth in your motorcycle's service manual.
Figure 7: The precision tool set ensures damage-free bearing installation to the proper depth.
7. Maintenance
Proper maintenance of your tool kit will ensure its longevity and reliable performance:
- Cleaning: After each use, wipe down all components with a clean cloth to remove any grease, dirt, or metal shavings. For stubborn grime, use a mild degreaser.
- Lubrication: Periodically apply a light coat of oil to the threaded rods and other moving parts to prevent rust and ensure smooth operation.
- Storage: Always return the tools to their designated slots in the blow-molded case. Store the case in a dry, cool place away from direct sunlight and corrosive chemicals.
- Inspection: Before each use, inspect all components for signs of wear, damage, or deformation. Replace any damaged parts immediately to prevent injury or damage to the motorcycle.
8. Troubleshooting
If you encounter issues while using the tool kit, consider the following common problems and solutions:
- Difficulty Expanding Puller:
Possible Cause: Incorrect puller size selected, or excessive debris in bearing.
Solution: Ensure the correct puller size is used. Clean the bearing thoroughly before inserting the puller. Do not force the expander; it should fit with a slight friction. - Puller Slipping During Removal:
Possible Cause: Puller not sufficiently expanded or seated incorrectly.
Solution: Re-seat the puller firmly and ensure it is expanded enough to grip the inner race securely. Verify the puller is aligned straight. - Bearing Not Pressing In Straight (Installation):
Possible Cause: Installer not aligned, or hub bore is damaged/dirty.
Solution: Ensure the installer is perfectly aligned with the bearing and hub. Clean the hub bore thoroughly. Apply even pressure when tightening the installation bolt. Do not use impact tools for installation. - Threaded Rods Bending/Stripping:
Possible Cause: Over-torquing, lack of lubrication, or misapplication of force.
Solution: Always lubricate threads before use. Apply force gradually and evenly. If significant resistance is met, stop and re-evaluate the setup. Avoid using excessive force or impact wrenches.
9. Specifications
| Attribute | Detail |
|---|---|
| Manufacturer | Orion Motor Tech |
| Brand | Orion Motor Tech |
| Model | Wheel Bearing Puller Tool Kit |
| Item Model Number | HB1100 |
| Manufacturer Part Number | HB11-00 |
| Item Weight | 5 pounds |
| Product Dimensions | 12 x 9 x 2 inches |
| Exterior Finish | Black Oxide |
| Lift Type | Hand Tool |
| Bearing Compatibility | 0.75", 1", 25mm |
| Motorcycle Compatibility | Harley-Davidson Motorcycles from 2000 onwards |
10. Warranty & Support
Orion Motor Tech stands behind the quality of its products. This tool kit is manufactured to high standards and is designed for durability and performance. For specific warranty details, including coverage period and terms, please refer to the documentation included with your purchase or visit the official Orion Motor Tech website.
If you require technical assistance, have questions about product usage, or need to report a defect, please contact Orion Motor Tech customer support. You may also find additional resources, including a downloadable PDF version of the user manual, on the product's Amazon listing page or the Orion Motor Tech brand store.
Official User Manual (PDF): Download Here
Orion Motor Tech Store: Visit Store