F101/102 14T Motor Pinion for Tamiya F1 Chassis - 3515018  [3515018]

Optimising drive ratio with a 14T pinion

Marked as Tamiya 3515018, this 14T pinion is intended for use on F101/102 Group C and F1-style Tamiya chassis as a means to adjust or restore gear ratios. Its specification is given by tooth count, so always match the 14-tooth figure to your spur gear pitch.

Compatibility is determined by motor shaft diameter and retention type; check part number 3515018 against your chassis documentation before proceeding. Installers usually remove the motor to set accurate mesh and axial clearance, then refit and confirm free rotation without binding.

From a tuning perspective, the 14-tooth option alters acceleration and top speed tradeoffs: fewer teeth improve torque and launch, while more teeth raise potential top speed. Make single-step changes and trial them on a controlled surface to evaluate real-world gains.

Always confirm shaft size and fastening method and cross-check part number 3515018 to guarantee fitment with your Tamiya F101/102 or F1 chassis.