Yamaha 4W1-W0057-00-00 - Piston Seal Kit is a genuine Yamaha part. It is an original equipment replacement part for select Yamaha motorcycles.

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Key Features & Benefits

• Genuine Yamaha OEM part, number 4W1-W0057-00-00.
• Fits 6 Yamaha models from 1981 to 1983.
• Direct replacement for the original part on the listed Yamaha models.

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Fits These Yamaha Models

• RX50 - 1983
• XJ1100 Maxim - 1982
• XJ550 Maxim - 1981-1983
• XJ550R Seca - 1982
• View More - see the Fitment tab for full compatibility details

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Frequently Asked Questions

What is Yamaha part 4W1-W0057-00-00?

4W1-W0057-00-00 is a genuine Yamaha piston seal kit for select Yamaha motorcycles.

Is 4W1-W0057-00-00 a genuine Yamaha part?

Yes, 4W1-W0057-00-00 is a genuine Yamaha OEM part.

Which Yamaha models fit 4W1-W0057-00-00?

This part fits the RX50 (1983), XJ1100 Maxim (1982), XJ550 Maxim (1981-1983), XJ550R Seca (1982), plus 2 additional models. View the full fitment list in the Fitment tab to confirm your exact model and year before ordering.

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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.