The Yokomo Z4-630M is engineered as the primary drive pulley and slipper plate for YZ-4 4WD models. Its aluminium construction integrates the slipper mechanism into a single pulley piece to centralize the drivetrain interface on the chassis.
This component is for RC-scale YZ-4 use only and is focused on transmission function rather than suspension changes or motor upgrades. The hard anodized finish provides improved abrasion resistance while keeping original alignment and fit.
For installation, check that the pulley is concentric with the spur and pinion, adjust the slipper to match your driving surface, and inspect any bearings and fasteners already fitted to the car prior to running.
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