Small changes to motor internals can yield noticeable lap time gains. The Yokomo RP-064A rotor is aimed at racers who want to tweak the Racing Performer M3 motor's output to achieve crisper acceleration and a stronger top end.
The RP-064A carries a magnet with a 12.0mm outer diameter and a 5.00mm inner diameter to concentrate flux and improve response. That arrangement helps produce a livelier throttle response and better acceleration mid-track.
Magnets may lose strength after intense heat cycles; this rotor is straightforward to replace, letting you recover the motor's original characteristics quickly during maintenance intervals.
If you are tuning for consistent circuit performance, the Yokomo RP-064A rotor provides a practical way to sharpen acceleration and maintain competitive pace.
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