The Yokomo FA-19221S is a 21.5T stock motor configured for RC touring competition under R.O.A.R. stock motor regulations. This RC-scale unit uses Yokomo’s FANTOM stator design, which holds an American patent, and it is cited in recent Japanese touring car regulation updates that reference this stock class.
Team-level test feedback indicates the FANTOM stator emphasizes low-speed torque inside the 21.5T stock limits, making the motor well suited to tight-corner circuits and technical touring layouts where punch out of slow corners matters.
Installation follows standard 1/10 scale touring motor practice and aligns with common brushless motor mounts and pinion/spur arrangements found on modern touring chassis. When fitting the motor, keep recommended clearances and maintain cooling airflow typical to touring setups to preserve consistent performance during race runs.
As a regulation-focused 21.5T option, the FA-19221S targets drivers seeking a torque-biased stock motor that fits R.O.A.R. guidelines and recent Japanese touring regulations, and it installs into standard 1/10 touring drivetrains with routine clearance and cooling care.
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