Do it yourself
Frequently asked questions about cars and motorcycles

Model: Derbi Gpr 125
Part: Engine

To disassemble the engine of the Derbi GPR 125, you will need to loosen the screws that fix the engine block to its housing in the center of the frame: once the engine has been removed, you can proceed by also loosening the screws that fix the intake and exhaust manifolds and disconnecting the connectors. The engine can now be opened in order to detach the piston from the connecting rod: this way you will have access to the crankshaft and all the necessary components. It will be possible to replace all the necessary parts in order to insert new ones.

Posted on 28 June 2025 by ScegliAuto

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How to Replace the Air Filter on a Honda CB500X?

Replacing the air filter on the Honda CB500X, as shown in this tutorial, is a very simple and quick operation. First, remove the seat, then loosen the nut securing the negative terminal of the battery, disconnect it, and repeat the process for the positive terminal. Next, detach the upper strap, remove the battery, and unscrew the 4 screws securing the airbox cover. Once opened, you can extract the old filter, remove any residue present in the housing, and fit the new part.

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