The Serpent 110474 4x8x0.2mm shim is a compact, thin washer designed to make small but accurate corrections to gear mesh and component spacing in model car drivetrains. It is a neutral adjustment piece intended to address minor axial or lateral play with a precise thickness.
To fit the shim, place it between the mating surfaces that require correction, rotate the assembly by hand to confirm clearance, and adjust by adding or removing shims in fine increments until the desired alignment is reached. Keep the piece flat and use clean, lint-free tools when handling to prevent distortion.
As part of tuning, the 0.2mm shim lets you tweak stack height, pinion spacing, or bearing preload where small changes influence noise and wear. Consider it a calibration layer rather than a fix for damaged components.
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