What does a counter shaft seal do?

The counter shaft seal keeps transmission oil contained within the engine case. It seals the opening where the counter shaft exits the transmission to prevent leaks.

How do I know if I need this seal kit?

You likely need this kit if you notice oil leaking from around the counter shaft sprocket area on your Yamaha YZ125. Worn seals are the most common cause of this type of leak.

Does this kit come with all the seals needed for the counter shaft?

Yes, this is a complete kit designed to replace the necessary seals for the transmission counter shaft on your Yamaha YZ125.

All Balls Racing

All Balls Racing 05-23 Yamaha YZ125 Counter Shaft Seal Kit

Name: All Balls Racing 05-23 Yamaha YZ125 Counter Shaft Seal Kit
Brand: All Balls Racing
Price: 23.01 USD
Availability: InStock

$23.01

All Balls Racing counter shaft seal kit for Yamaha YZ125. Replaces worn seals to prevent leaks.

Key Features

Direct replacement seal kit — fits the stock transmission counter shaft.
Stops oil leaks — prevents transmission fluid from escaping around the counter shaft.
Durable rubber construction — built to last in demanding conditions.

This kit fits 2005 through 2023 Yamaha YZ125 models.

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