This graphite centre mount plate is intended for the YZ-4S RC chassis and matches the B-YZ4SF chassis mounting layout. It replaces the stock center mount to alter centre-section stiffness and redistribute weight for tuning purposes. Installation uses the chassis' existing mounting points.
When installing, prioritise alignment and controlled torque rather than modifying mounts. Ensure screw holes align with the YZ-4S pattern and secure fasteners to recommended engagement without over-tightening to avoid stressing the graphite. After fitting check drivetrain clearance and that the chassis sits flat on a bench for consistent handling.
Performance impact: fitting a graphite centre plate typically increases central stiffness compared with softer alternatives, which can sharpen turn-in and reduce mid-corner body roll. Make gradual setup changes and use test sessions to evaluate handling, combining the plate with minor suspension or damping adjustments as needed.
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