This spare gear set is built for the 1.8x FCD (full counter drift) rear gear configuration used in Yokomo drift platforms. It is supplied as a replacement component to reinstate the designed gear ratio and drivetrain response without modifying other gearbox geometry.
Replace the gear to remedy worn teeth, repair practice damage, or restore a vehicle to the factory 1.8x FCD rear arrangement. Installation is completed in the rear gearbox compartment and should include standard gear-mesh and runout inspections to prevent accelerated wear.
Tuning notes: ensure correct mesh clearance between the motor pinion and spur, check bearings adjacent to the gear for any play, and confirm smooth alignment under light load before sealing the gearbox. This component is for RC use only.
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