M MATI Steering Stem Bushing Seal Rebuild Kit User Manual

1. Introduction

This manual provides essential information for the M MATI Steering Stem Bushing Seal Rebuild Kit, designed to restore optimal steering performance and durability for compatible Yamaha ATV models. This kit includes high-quality components manufactured to OEM specifications, ensuring a precise fit and reliable operation. Please read this manual thoroughly before installation and use.

2. Product Overview and Components

The M MATI Steering Stem Bushing Seal Rebuild Kit (Manufacturer Part# 93112-31800-00) is a comprehensive solution for maintaining your ATV's steering system. The kit is engineered with premium materials to withstand demanding off-road conditions.

Image 2.1: Overview of the M MATI Steering Stem Bushing Seal Rebuild Kit components.

Package Contents:

• Steering Stem Bushing x 2
• Seal x 2
• Collar x 2
• Bolt x 2
• Lock Washer x 1

Image 2.2: Detailed view of all items included in the package.

3. Compatibility

This steering stem bushing seal rebuild kit is compatible with a wide range of Yamaha ATV models. Please verify your specific model and year against the list below to ensure proper fitment.

Image 3.1: Visual representation of compatible Yamaha ATV models.

Compatible Yamaha ATV Models:

• Big Bear 400 YFM400 (2010-2012)
• Grizzly 550 YFM550 (2012)
• Grizzly 350 YFM350 (2010-2014)
• Grizzly 450 YFM450 (2010)
• Grizzly 700 YFM700 (2012)
• Raptor 700 YFM700 (2013-2024)
• Raptor 700R YFM700R (2016-2024)
• Raptor 700R SE YFM700R (2013-2024)
• Wolverine 450 4x4 YFM450FX (2010)
• YFZ450 (2017)
• YFZ450R (2014-2024)
• YFZ450R SE (2014-2024)

4. Features

The M MATI Steering Stem Bushing Seal Rebuild Kit offers several key features designed for superior performance and longevity:

• OEM Specification: Manufactured to meet or exceed original equipment manufacturer standards for fit and performance.
• High Strength Materials: Components are made from premium steel and durable plastic, ensuring robust construction.
• Wear Resistance: Designed to resist wear and tear, extending the lifespan of your steering system.
• Corrosion Resistance: Materials are selected for their ability to resist corrosion, crucial for off-road environments.
• Improved Steering Agility: Reduces wear during steering, contributing to better handling and stability.
• Comfortable Driving: By ensuring smooth steering operation, the kit helps make driving more comfortable.

Image 4.1: Close-up view of the materials used in the kit components.

5. Setup and Installation

Installation of the steering stem bushing seal rebuild kit requires mechanical knowledge and appropriate tools. It is recommended that installation be performed by a qualified technician to ensure proper fitment and function. Incorrect installation can lead to steering issues and potential safety hazards.

General Installation Guidance:

1. Safely secure the ATV on a stable surface, ensuring it cannot move or tip during the process.
2. Identify the steering stem assembly.
3. Carefully remove the old bushings, seals, and associated hardware. Note the orientation and placement of each component.
4. Clean the area thoroughly, removing any dirt, grease, or debris.
5. Install the new M MATI bushings and seals, ensuring they are seated correctly and oriented as the original parts.
6. Apply appropriate grease to the components as recommended by your ATV's service manual.
7. Reassemble the steering stem with the new collars, bolts, and lock washer, tightening all fasteners to the manufacturer's specified torque values.
8. Test the steering for smooth operation and ensure there is no excessive play.

Refer to your specific Yamaha ATV service manual for detailed, model-specific instructions and torque specifications.

Image 5.1: Illustrative diagram of steering stem components on an ATV.

6. Maintenance

Regular maintenance of your ATV's steering system, including the M MATI Steering Stem Bushing Seal Rebuild Kit components, is crucial for safety and longevity.

• Regular Inspection: Periodically inspect the steering stem area for any signs of wear, damage, or looseness.
• Lubrication: Ensure proper lubrication of the steering stem bearings and bushings as per your ATV's service manual. The kit components are compatible with grease.
• Cleaning: Keep the area around the steering stem clean from dirt, mud, and debris, which can accelerate wear on seals and bushings.
• Torque Check: Periodically check the torque of all fasteners associated with the steering stem to ensure they remain tight.

7. Troubleshooting

If you experience issues with your steering after installing the kit, consider the following common troubleshooting steps:

• Excessive Play/Looseness:
  • Ensure all bolts are tightened to the correct torque specifications.
  • Verify that the bushings and seals are correctly seated and not damaged.
• Stiff Steering:
  • Check for proper lubrication.
  • Ensure no components are binding or misaligned.
  • Verify that bolts are not overtightened, which can cause binding.
• Unusual Noises:
  • Inspect for any loose components or foreign objects.
  • Check for signs of wear on the bushings or other steering components.

If problems persist, it is advisable to consult a professional ATV mechanic.

8. Specifications

Key specifications for the M MATI Steering Stem Bushing Seal Rebuild Kit:

Image 8.1: Dimensional overview of the kit components.

9. Warranty and Support

M MATI stands behind the quality of its products. If you encounter any product problems within 1 year of purchase, please contact M MATI customer service for assistance. We are committed to providing product service and support to resolve any issues you may experience.

For support, please refer to the contact information provided with your purchase or visit the official M MATI store page on Amazon: M MATI Store.