The Yokomo YOKTS2131 full counter axle is a direct-fit replacement designed specifically for the TS-2129 chassis. As an RC-scale drivetrain component, it serves to replace a worn or damaged counter axle and to restore correct gear engagement and alignment within the transmission assembly.
Use this part when inspecting drivetrain wear, after bearing replacement, or when rebuilding the transfer assembly during a setup change. The part is intended for model-level work only and should be verified against the TS-2129 assembly before installation.
Installation notes: the axle requires basic drivetrain disassembly and careful alignment during reassembly. Confirm fit with the existing pinion and spur gear mesh and check that any associated bearings and seals operate smoothly after installation. If fitment is uncertain, compare part markings and mating surfaces to the original TS-2129 axle before final assembly.
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