This 71mm centre dogbone is designed specifically for the rear centre position on YZ-4S models. It replaces the original rear centre bone and is supplied as a single piece in the box.
The part is intended to recover correct driveline length and alignment when a worn or damaged dogbone is replaced. It fits into the rear centre driveline subassembly and should be used only with the stated compatible chassis.
Fitment advice: confirm match with current cup assemblies and axle geometry, inspect retention pins or set screws, and check unrestricted rotation prior to final assembly. In terms of setup, a fresh centre dogbone can cut driveline lash and stabilise rear traction feedback.
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