Inner Valve Spring for CSC TT250 SG250 250cc
Inner Valve Spring for CSC TT250 SG250 250ccInner Valve Spring for CSC TT250 SG250 250cc

Inner Valve Spring for CSC TT250 SG250 250cc

$0.00

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Inner Valve Spring for CSC TT250 SG250 250cc

Original replacement component for CSC TT250 and SG250. This part is identified by CSC ZT58-105 and Zongshen manufacturer code 100066445.

What This Part Does and Why You Might Need It

Works alongside the outer spring to control valve closing and valve float. Weak or broken springs can affect running and lead to valve-train damage. Requires correct installed height and compatible outer spring.

OEM Identification and Specifications

  • CSC SKU: ZT58-105
  • Zongshen manufacturer reference (2026 stock export): 100066445
  • Product type: Inner valve spring
  • Position: Cylinder head valve spring assembly
  • Inner valvetrain spring; Zongshen 100066445; published factory 15704-I008-0000; Chinese parts book identifies #3 left-wound inner spring
  • Alternate published OEM reference: 15704-I008-0000 (correspondence requires verifying the original part)

Fitment and Important Ordering Details

Cataloged CSC applications: TT250 and SG250. This is one individually sold component, unless the description explicitly identifies a multi-piece assembly. Match the original part number, shape and dimension before ordering. Similar CG125/CG200/CG250 parts can vary by design and production revision; no unverified model compatibility is claimed.

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