This drive washer is an RC-scale crankshaft component designed for precise spacing on GT22 engine assemblies. It serves as a thin axial spacer that helps control endplay and keeps the crankshaft aligned with the engine case and associated drive components.
The description focuses on practical use: check mating surfaces for burrs, slide the washer onto the crankshaft seating face, and verify endplay while rotating the assembly. Small adjustments to washer placement can affect timing cover clearance and spur/pinion mesh on models that use GT22-class engines.
Use a steady hand when fitting and inspect for even contact around the crankshaft journal to avoid introducing tilt or misalignment. The washer is intended for hobby-grade nitro RC engines and should be handled as a precision engine part, not a general-purpose hardware item.
This part is a straightforward crankshaft spacer for GT22-class RC engines, useful when tuning crank endplay and maintaining correct alignment during engine rebuilds or maintenance.
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