Yamaha BA1-05089-00-00 Attachment Shaft Seal Assembly

Description:

The Yamaha BA1-05089-00-00 Attachment Shaft Seal is a sealing component used in Yamaha mower attachment and drivetrain shaft systems. Commonly installed in Yamaha Terra Pro YFP350U mower attachments within blade spindle and shaft housing assemblies. Maintenance teams and technicians use this part for seal replacement, repair, or OEM restoration to prevent contamination and retain lubrication.

Applications:

The Yamaha attachment shaft seal is used in mower and drivetrain assemblies to prevent grease leakage and block dirt, debris, and moisture from entering rotating shaft components. It is commonly found in Yamaha Terra Pro mower attachments used in landscaping, grounds maintenance, and agricultural environments where protecting internal components and maintaining lubrication is critical for durability and performance.

Technical Specifications:

• Brand: Yamaha
• Part Number: BA1-05089-00-00
• Product Type: Attachment Shaft Seal
• Function: Seals rotating shaft to retain lubrication and prevent contamination
• System Type: Blade spindle / attachment drivetrain assembly
• Material: Rubber or elastomer sealing lip with metal outer ring
• Application Area: Spindle shaft housing / attachment drive system
• Compatibility: Yamaha Terra Pro YFP350U mower attachments
• Mechanical Role: Prevents grease leakage and protects internal bearings
• Installation Type: Press-fit seal into housing bore
• OEM Status: Genuine Yamaha part

Common Replacements:

• Yamaha BA1-05089-10-00
• Yamaha BA1-04114-00-00 (associated spindle assembly component)
• Generic equivalent shaft seal (matching dimensions/spec)