The Kyosho MZ601 Main Unit Set is a direct-fit main unit intended to improve the control characteristics of the Mini-Z MR-03EVO chassis. It offers a straightforward path to steadier steering and throttle response.
Designed for MR-03EVO and SA-40 models, the unit integrates with the existing layout to reduce handling surprises and make setup changes more repeatable between sessions.
Installation is accessible to most hobbyists. Make sure connectors are pushed fully home, fasteners are checked for tightness, and carry out a short function test before first use to confirm everything is working.
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