Yokomo YOKBM009A - B-Max4 Front Inner Suspension Arm Pin Set (4 pcs)  [YOKBM009A]

Front inner arm pin for B-Max4

This YOKBM009A set provides four front inner suspension arm pins designed for the B-Max4 chassis as indicated by the product name, intended as direct replacement spares for RC-scale models.

Role and fit: these pins secure the inner end of the front suspension arm to the bulkhead or hinge assembly, keeping geometry consistent under load and during setup changes. Use them when original pins show wear, bending, or excessive play that affects steering precision and suspension action.

Installation tips: remove the wheel and loosen the relevant steering/suspension fasteners, extract the old pin, then press or slide the replacement pin into place until the arm pivots smoothly without excessive slop. Check retaining clips or set screws on your B-Max4 assembly and re-use or replace them as required. No special tools are mandated beyond common RC maintenance tools.

Tuning considerations: worn or loose inner pins can change camber and toe characteristics at the front; replacing pins is a basic maintenance step before changing shock or arm geometry. After replacement, confirm alignment and perform a short test run to verify predictable steering and suspension response.