Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How do you disassemble the engine of the Derbi Senda 125?

Model: Derbi Senda 125
Part: Engine

Video tutorial

To disassemble the engine of the Derbi Senda 125, you need to loosen the screws that secure the engine block to its housing, then disconnect the connectors and free the engine block from the pipes; once the engine has been freed, it will be possible to open it by loosening the screws that secure the cylinder in order to access the internal piston.

The latter can be freed from the connecting rod to allow access to the crankshaft: when the necessary components have been replaced, it will be possible to verify that everything functions correctly.


Posted on 14 January 2026 by ScegliAuto


Related tutorials

How do you disassemble the engine of the Derbi Senda 125?
How do you disassemble the engine of the Derbi Senda 125?
Senda 125 To disassemble the engine of the Derbi Senda 125, you need to loosen the screws that hold it to its housing in the center of the frame: once the fixi…
How do you disassemble the engine of the Derbi Senda 125?
How do you disassemble the engine of the Derbi Senda 125?
Senda 125 In order to disassemble the engine of the Derbi Senda 125, it is necessary to extract it from its housing by loosening the fixing screws that hold it…
How do you disassemble the engine of the Derbi Senda 125?
How do you disassemble the engine of the Derbi Senda 125?
Senda 125 It will be possible to disassemble the engine of the Derbi Senda 125 by removing it from its housing, loosening the fastening screws that secure it t…

How to replace the transmission oil in the KTM Exc 300

Today, let's discover how to carry out the routine maintenance service by replacing the transmission oil in the two-stroke enduro bike KTM Exc 300. First, place your bike on a stand and start by unscrewing the oil drain bolt located under the engine, allowing the gearbox oil to drain into a container for about ten minutes; then clean the small mesh oil filter, as shown in the video. At this point, unscrew the filler cap and top up with the new gearbox oil, the specifications of which are indicated in the owner's manual!

Watch the video!


by ScegliAuto

More videos