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Model: Tm Racing Smr 125
Part: Engine

To replace the piston on the TM Racing SMR 125, you need to access the internal components of the engine: specifically, you will need to unscrew the bolts that secure the cylinder, which contains the piston. By unscrewing these bolts and disconnecting the connectors attached to the cylinder, you can remove it to access the piston: this can now be detached from its conrod by expanding and removing its circlip. After the old piston has been removed, insert the new one and reinstall the cylinder on top of the engine.

Updated on 13 July 2026 by ScegliAuto

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How to replace the coolant in the BMW S1000 R

Today, we will see in this video tutorial how to bleed and replace the coolant in the BMW S1000 R motorcycle. First, place your motorcycle on a stand and start unscrewing the bleed screw located on the water pump casing, found at the bottom right; let the fluid drain into a container for about ten minutes. Now, unscrew the radiator cap and top up with the new coolant, the correct type for your radiator; fill it to the maximum level mark, starting the engine to circulate the fluid!

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by ScegliAuto

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