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How to Dismantle the Engine of the GasGas EC 300?

Model: Gasgas Ec 300
Part: Engine

Video tutorial

On the GasGas EC 300, you can dismantle the engine by extracting the block from its corresponding housing after loosening the fixing bolts of the relevant supports. At this point, it will be necessary to disconnect all connectors so that the block can be completely removed: before opening it, detach the piston from its corresponding conrod by removing the retaining ring.

Now, you can loosen all the additional screws that secure the two half casings to access the crankshaft.


Posted on 6 May 2026 by ScegliAuto


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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.

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by ScegliAuto

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