This Yokomo SG-6492 spur is produced to the 64 pitch specification and features 92 teeth for reliable engagement in compatible RC drivetrains. Only fit it with 64 pitch pinions to keep tooth profiles matched.
Installation best practice is to align spur and pinion so the contact patch sits across the tooth face and to avoid overtightening bearings. Turn the drivetrain by hand to confirm smooth rotation before applying power, and check pinion set screws and motor mount alignment to prevent early failure.
Changing the spur tooth count alters gear ratio outcomes: the 92T will give different acceleration and top-speed characteristics compared with other counts, while sticking to 64 pitch maintains consistent wear behavior.
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