Yamaha YJA-01156-78-01 - Mechanical Seal (Kth-80X) is a genuine Yamaha part. This seal closes the gap between mating parts to keep fluids in and dirt out. Use part number YJA-01156-78-01 to confirm it matches the component shown in your model's Yamaha parts diagram.

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Key Features & Benefits

• Helps keep dirt, water, and contaminants out.
• Replaces a hardened, cracked, or leaking seal.
• Seals the joint or shaft it is installed on against leaks.
• Listed by Yamaha with the designation Kth-80X.
• Sold under Yamaha part number YJA-01156-78-01.

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Frequently Asked Questions

Is YJA-01156-78-01 a genuine Yamaha part?

Yes. YJA-01156-78-01 is the Yamaha part number for the Mechanical Seal (Kth-80X). It replaces a hardened, cracked, or leaking seal with the specified Yamaha part.

What does Kth-80X mean in the Mechanical Seal (Kth-80X), part YJA-01156-78-01, listing?

Kth-80X is a designation Yamaha includes in the catalog name for part YJA-01156-78-01. Match it against the parts diagram for your model or unit before ordering.

Can I reuse the old Mechanical Seal (Kth-80X), part YJA-01156-78-01?

Sealing parts like the Mechanical Seal (Kth-80X) take a set once installed, so reusing one risks a leak. Installing a new YJA-01156-78-01 restores a proper seal.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.