All Balls 27-1189
All Balls Linkage Bearing Kit (27-1189) User Manual
Model: 27-1189
Brand: All Balls
1. Product Overview
This manual provides essential information for the All Balls Linkage Bearing Kit, model 27-1189. This kit is designed to replace and rebuild the linkage bearing assembly in various Sherco motorcycle models.
The kit includes all necessary components to ensure a proper rebuild, featuring case-hardened and plated metal bushings to prevent wear and corrosion, and precision-ground SCM415/42 bearing steel needle bearing shafts for durability.
Important: Verify the part fits your specific vehicle before purchasing and installation.
2. Product Contents
The All Balls Linkage Bearing Kit (27-1189) typically includes the following components:
- Needle bearings
- Bearing shafts
- Metal bushings
- Seals
- Lower shock bearing assembly

Figure 2.1: Complete set of All Balls Linkage Bearing Kit components, including needle bearings, shafts, bushings, and seals.

Figure 2.2: Detailed view of the various bearing components, highlighting the precision-ground needle bearing shafts and metal bushings.

Figure 2.3: The All Balls Linkage Bearing Kit (27-1189) as packaged, with components visible through the clear plastic.
3. Setup and Installation
Professional installation is highly recommended for this product.
The All Balls Linkage Bearing Kit (27-1189) is a replacement part for the motorcycle's linkage system. Proper installation is crucial for the safety and performance of your vehicle. Always refer to your specific motorcycle's service manual for detailed, model-specific installation instructions and torque specifications.
General Installation Guidelines:
- Preparation: Ensure the motorcycle is securely supported. Clean the linkage area thoroughly, removing any old grease, dirt, or debris.
- Disassembly: Carefully remove the old linkage bearings and components. Note the orientation of all parts during removal.
- Inspection: Inspect the linkage arms and mounting points for any signs of wear, damage, or cracks. Replace any damaged components before installing the new kit.
- Lubrication: Apply a suitable waterproof grease to all new bearings, bushings, and shafts before installation. Ensure all surfaces are adequately coated.
- Assembly: Install the new bearings, bushings, and seals according to your motorcycle's service manual. Pay close attention to the correct order and orientation of each component.
- Torque Specifications: Tighten all bolts and nuts to the manufacturer's specified torque values. Overtightening or undertightening can lead to premature wear or failure.
- Final Check: After assembly, cycle the suspension through its full range of motion to ensure smooth operation and no binding.
For detailed visual guidance, consult your motorcycle's official service manual or seek assistance from a certified mechanic.
4. Operating Principles
The linkage bearing kit is a critical component of your motorcycle's rear suspension system. It allows for smooth, controlled movement of the swingarm and shock absorber, contributing to ride comfort, handling, and traction.
The needle bearings within the kit reduce friction, enabling the linkage to pivot freely and respond effectively to road conditions and rider input. The robust construction with case-hardened bushings and SCM415/42 bearing steel shafts ensures durability and consistent performance under demanding off-road or racing conditions.
Properly functioning linkage bearings are essential for maintaining the intended suspension geometry and preventing excessive wear on other suspension components.
5. Maintenance
Regular maintenance of your motorcycle's linkage bearings is vital for extending their lifespan and ensuring optimal suspension performance. While the All Balls kit is designed for durability, periodic inspection and lubrication are recommended.
Recommended Maintenance Schedule:
- Periodic Inspection: Inspect the linkage for any signs of play, stiffness, or unusual noise during your regular motorcycle checks (e.g., every 20-30 hours of riding or annually, depending on usage).
- Lubrication: Re-grease the bearings periodically. The frequency depends on riding conditions (e.g., after every few muddy rides or annually for casual use). Use a high-quality, waterproof grease suitable for motorcycle bearings.
- Cleaning: Keep the linkage area clean to prevent dirt and debris from contaminating the seals and bearings.
- Seal Integrity: Check the seals for cracks, tears, or signs of deterioration. Damaged seals can allow water and dirt to enter the bearings, leading to premature wear. Replace seals as needed.
If excessive play or roughness is detected, it may be time to replace the linkage bearing kit again.
6. Troubleshooting
This section addresses common issues that may arise with motorcycle linkage bearings. Note that these are general guidelines, and specific diagnosis may require professional assistance.
| Symptom | Possible Cause | Solution |
|---|---|---|
| Excessive play or looseness in the rear suspension linkage. | Worn bearings or bushings; loose bolts. | Inspect and replace worn components. Check and re-torque all linkage bolts to specification. |
| Squeaking, creaking, or grinding noises from the linkage. | Lack of lubrication; contaminated bearings; worn components. | Disassemble, clean, and re-grease bearings. Replace if contamination or wear is severe. |
| Stiff or binding rear suspension. | Corroded or seized bearings; overtightened bolts; bent linkage components. | Disassemble and inspect. Replace seized bearings. Ensure bolts are torqued correctly. Check for bent linkage arms. |
| Premature wear of new bearings. | Improper installation (e.g., lack of grease, incorrect torque); damaged seals; riding in extreme conditions without proper maintenance. | Review installation procedure. Ensure proper lubrication and seal integrity. Increase maintenance frequency for harsh conditions. |
If you are unable to resolve an issue, consult a qualified motorcycle mechanic.
7. Specifications
The All Balls Linkage Bearing Kit (27-1189) is manufactured to precise standards for compatibility and performance.
- Model Number: 27-1189
- Brand: All Balls
- Manufacturer: All Balls
- Item Weight: 1.03 pounds
- Product Dimensions: 4.92 x 4.72 x 2.68 inches
- Material (Needle Bearing Shafts): SCM415/42 bearing steel (hardened and precision ground)
- Material (Metal Bushings): Case hardened and plated
- Applications:
- Sherco Enduro 2.5i (2008)
- Sherco Enduro 4.5i (2007-2008)
- Sherco Enduro 4.5i Factory Racing (2007)
- Sherco Enduro 5.1i (2007-2008)
- Sherco Enduro 5.1i Factory Racing (2007)
- Sherco SE 2.5i-F (2009-2013)
- Sherco SE 2.5i-F Racing (2013)
- Sherco SE 2.5i-FR (2011)
- Sherco SE 250 (2013)
- Sherco SE 250i-R (2012)
- Sherco SE 3.0i-F (2010-2013)
- Sherco SE 3.0i-F Racing (2013)
- Sherco SE 3.0i-FR (2011)
- Sherco SE 300 (2013)
- Sherco SE 300i-R (2012)
- Sherco SE 4.5i-F (2009)
- Sherco SE 4.5i-FR (2010-2011)
- Sherco SE 450i-R (2012-2013)
- Sherco SE 5.1i-F (2009)
- Sherco SE 5.1i-FR (2010-2011)
- Sherco SE 510i-R (2012-2013)
- Sherco SE F-R 250 (2014-2016)
- Sherco SE F-R 250 Factory (2016)
- Sherco SE F-R 300 (2014-2016)
- Sherco SE F-R 300 Factory (2016)
- Sherco SE F-R 450 (2015-2016)
- Sherco SE F-R 450 Factory (2016)
- Sherco SE-R 250 (2014-2016)
- Sherco SE-R 250 Factory (2016)
- Sherco SE-R 300 (2014-2016)
- Sherco SE-R 300 Factory (2016)
- Sherco Supermotard 4.5i (2007-2008)
- Sherco Supermotard 5.1i (2007-2008)
- Sherco SX 2.5i-F (2010)
8. Warranty and Support
For specific warranty information regarding your All Balls Linkage Bearing Kit (27-1189), please refer to the official All Balls Racing website or contact their customer support directly.
Manufacturer Website: www.allballsracing.com
All Balls Store on Amazon: Visit the All Balls Store
For technical assistance or inquiries about product compatibility, it is recommended to contact All Balls Racing customer service or a certified motorcycle mechanic.
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