This DP64 93T machine cut spur gear from Yokomo is designed specifically for the X12 chassis and supplies a high‑tooth-count option for drivetrain tuning. The 93T count changes overall gear ratio behavior, trading acceleration for higher top speed or finer ratio steps depending on your pinion choice.
Machine cut teeth produce a consistent tooth profile that helps maintain stable mesh against the pinion, which is useful when you need repeatable performance during setup changes. Expect smoother engagement compared with rougher-cut alternatives, especially under steady load in on-road conditions.
Installation notes: fit the spur onto the gearbox carrier per X12 procedures, check centreing and axial play, then set proper mesh with the motor pinion while rotating the drivetrain to confirm no binding. Use existing hardware and confirm the spur clears the chassis and any nearby components before final assembly.
Tuning role and maintenance: use a 93T spur to refine top-end speed and step resolution when swapping pinions, and monitor tooth condition after heavy running. Clean debris from the teeth, inspect for wear or burrs, and ensure bearings and the pinion are in good condition to protect mesh consistency.
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