Kyosho Mini-Z MR-03 AWD Aluminium Main Shaft AWD-01 by 3Racing  [AWD-01]

Aluminium main shaft for Mini-Z MR-03 AWD systems

This aluminium main shaft is a drivetrain replacement intended for Kyosho Mini-Z AWD vehicles, listed under model AWD-01. It forms the rotating link between the motor output and differential on MR-03 AWD-style chassis and is intended to be used with the car's existing bearings and drivetrain parts.

During installation, confirm compatibility with Mini-Z MR-03 AWD chassis configurations and inspect bearing fit and runout before reassembly. Typical steps include removing the old shaft, cleaning mating bearings and housings, applying a light PTFE-compatible lubricant at bearing interfaces, and checking that the shaft spins freely without binding. Do not force components; if there is play or interference, re-evaluate spur and pinion mesh and related components.

From a setup perspective, an aluminium shaft increases torsional stiffness compared with many stock polymer shafts, which can reduce drivetrain flex during acceleration but may relocate load to adjacent parts. Monitor bearing condition and other transmission components after installation. This part is suitable as a maintenance replacement or modest upgrade for indoor track and club driving.