The Arrowmax AM-MTX-T2202C is provided as an aftermarket 25-tooth pulley intended for Mugen MTX-5 applications. Its 7075 aluminium construction and hard surface finish are relevant to wear characteristics and how the part will fit in existing drivetrain assemblies.
Install using standard procedures: ensure the pulley is properly aligned with the spur and pinion, press or mount concentrically on the shaft, and verify gear mesh at rest. Avoid excessive tightening of screws and confirm the pulley turns freely with the drivetrain assembled.
Use this pulley when making measured adjustments to pinion or spur choices to preserve consistent engagement. It is a tuning aid to help obtain repeatable results rather than a sole performance upgrade.
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