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Preparation:
Disassemble the Engine:
Clean the Area:
Prepare the New Piston:
Installation of the Piston:
Install the Piston Pin:
Reassemble the Engine:
Final Checks:
Test Run:
With these instructions and the required tools, you can successfully install the 54mm piston with a 13mm pin set in your 125cc oil-cooled engine. Enjoy enhanced performance and efficiency during your rides!