Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
To replace the piston on the TM Racing MX 125, you need to loosen the bolts securing the side panels of the bike, allowing them to be removed for access to the internal components. Next, loosen the bolts securing the engine cylinder, which must be removed after disconnecting all connectors. Inside, you will find the cylinder, which must be detached from the connecting rod by removing the corresponding retaining ring. This will allow you to insert the new piston, reassembling all previously removed components.

Updated on 21 May 2026 by ScegliAuto

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