This aftermarket alloy motor spacer and matched gear set is produced by GPM for Kyosho Mini-Z AWD platforms and supplied as 1 pr. It is an RC-scale drivetrain accessory intended to position the motor and align the motor pinion with the main spur gear to improve gear mesh consistency on MR-03 AWD setups.
The set pairs an alloy spacer with three motor gear options and corresponding main gear pairings as listed in the product title, allowing straightforward swap of motor pinion size to change final drive characteristics without modifying the gearbox housing. The aluminum spacer helps maintain axial alignment under load and resists deformation compared with standard plastic components.
Installation notes: remove the stock motor mount components, fit the alloy spacer between the motor and chassis as required, then install the chosen motor gear so it meshes cleanly with the corresponding main gear. Check backlash and endplay after assembly and verify smooth free rotation before powering the model. Use correct thread locking where applicable and avoid forcing gear engagement to prevent premature wear.
Tuning role: swapping pinion/spur combinations affects acceleration and top-end balance on micro track layouts, and the spacer preserves consistent mesh during tuning iterations. This component is intended for use on RC Mini-Z AWD race or practice cars, not for full-size vehicle applications.
Copyright © 2008-2026 rcjaz.com All rights reserved