The Yokomo Z4-010WM Rebuild Kit is a practical spare parts set for keeping YZ-4 universal joints in working order. It targets wear points in the WJ joints to help maintain smooth drivetrain operation.
Inside the Yokomo Z4-010WM you will find the core items for a WJ rebuild: two cross pins, two joints, two C clips and one double joint sleeve. These components are intended to replace worn elements and restore correct joint movement.
This rebuild kit fits B-YZ4 and B-YZ4SF chassis models. Use it during routine service intervals or when you observe increased play in the universal joints to maintain predictable handling.
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