Cylinder Head – YX 125 – 52.4mm (Big Valve) – (IMPORTANT – Read Description)
This spare part includes a genuine YX replacement cylinder head for 125cc pit bike engines, designed for specific piston sizes and compatible with certain YX and Lifan engines.
- The engine must have a 52.4mm piston and an alloy barrel.
- Tappets must be set to specific measurements during installation.
- A run-in period is required after installation.
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