This spare gear set is manufactured for the 1.8x FCD (full counter drift) rear gearing used across Yokomo drift platforms. It functions as a direct swap to restore the designed gear ratio and drivetrain response without altering other drivetrain geometry.
Use this part to replace worn teeth or after gear damage sustained during practice, or when returning a vehicle to its factory 1.8x FCD rear setup. Installation is performed within the rear gearbox; always carry out standard gear-mesh and runout checks to reduce the chance of early wear.
Practical setup notes: preserve appropriate mesh clearance between motor pinion and spur, inspect nearby bearings for endplay, and confirm alignment under light load before finishing assembly. This item is intended exclusively for RC model applications.
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