Every fraction of a second matters on the circuit. The Yokomo RP-064A rotor is made for hobbyists who want to refine their Racing Performer M3 series motors, giving a controllable rise in power while staying within common race limits.
The RP-064A uses a magnet with an outer diameter of 12.0mm and an inner diameter of 5.00mm to concentrate magnetic flux and sharpen throttle response. These dimensions help deliver quicker launches and stronger mid-range punch that experienced racers can exploit on lap times.
This rotor is specified to retain usable performance under demanding conditions. If magnet strength falls back after prolonged heat exposure, swapping the rotor is a straightforward way to restore motor output and responsiveness without a full motor rebuild.
For club and regional racers seeking a predictable power step, the Yokomo RP-064A rotor is a practical, serviceable upgrade to keep your car competitive.
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