The Yokomo YOKYX40SO silicon O-ring is a compact RC-scale replacement made for pitching damper assemblies listed for YRX 12. Manufactured in silicone to provide low friction and oil resistance, it helps maintain internal sealing and consistent damping performance.
Servicing is straightforward for those experienced with shock work: remove the pitching damper, clean the seating area of oil and debris, and install the new O-ring in the correct orientation. Use your usual shock oil and rebuild the damper following your chassis maintenance routine. The O-ring's function is to reduce internal leakage and stabilise pitching response rather than altering spring rate or damper valving.
This small part supports routine maintenance and fine tuning on 1/10 scale touring cars where pitching dampers influence body pitch and traction transitions. It is supplied as a spare for repair or preventative replacement when original seals begin to show wear.
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