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 GasGas EC 300 engine?

Model: Gasgas Ec 300
Part: Engine

Video tutorial

The disassembly of the GasGas EC 300 engine can be done by loosening the screws that fix it to the appropriate supports: in this way it will be possible to free the engine block by disconnecting all the connectors and disconnecting intake and exhaust pipes.

At this point it will be possible to loosen the screws that fix the cylinder to the top of the engine block, removing it and disassembling the piston inside: the corresponding connecting rod must be removed from the crankshaft so that it is possible to access all the components present in the engine and eventually replace them.


Posted on 30 September 2025 by ScegliAuto


Related tutorials

How to Dismantle the Engine of the GasGas EC 300?
How to Dismantle the Engine of the GasGas EC 300?
Ec 300 To dismantle the engine of the GasGas EC 300, extract the engine block from its housing after loosening the bolts securing the respective supports. Y…
How do you dismantle the engine of the GasGas EC 300?
How do you dismantle the engine of the GasGas EC 300?
Ec 300 The GasGas EC 300 engine can be disassembled by extracting it from its housing after all the fixing bolts of the supports have been unscrewed. Then i…
How to dismantle the engine of the GasGas EC 300?
How to dismantle the engine of the GasGas EC 300?
Ec 300 The engine of the GasGas EC 300 can be dismantled by extracting the engine block from its housing after all the fixing bolts of the respective suppor…

How to Change the Engine Oil of a Yamaha XT 250?

The Yamaha XT 250 is a motorcycle and, like all motorcycles, it does not use a flywheel or buttons for operations like changing the engine oil. Here’s the correct procedure: To change the engine oil of a Yamaha XT 250, ensure the bike is stable on a stand and that the engine is warm to facilitate oil drainage. Locate the oil drain plug under the engine and position a container to collect the used oil. Use a spanner to unscrew the drain plug and let the old oil drain completely. Remove the oil filter located on the side of the engine. Replace it with a new one, ensuring to lightly lubricate the seal with fresh oil before installing it. After installing the new filter, re-tighten the drain plug, being careful to avoid leaks. Find the oil filler cap on the top side of the engine and pour in the specified amount of new oil according to the XT 250 manual. Once filled, start the engine for a few minutes and check for leaks. Turn off the bike, let it rest for a moment, and check the oil level using the dipstick or indicator, adding more oil if necessary. This procedure ensures optimal lubrication for your Yamaha XT 250.

Watch the video!


by ScegliAuto

More videos