Do it yourself
Frequently asked questions about cars and motorcycles
The first warning, which may seem trivial - but it isn’t - is to check the coolant with the engine cold. Check if there is coolant, which is specific for cooling, and also acts as a lubricant. So do not use just water as the ferrous parts will oxidise. Be careful as there are two radiators, and when adding the coolant, air often forms in the left radiator. You should tilt the motorcycle significantly to the left so that the air can transfer to the other side. Then top up again. Some models have a bleed screw specifically for this service, located right at the top of the reservoir. If air remains in the radiator, the coolant will have more difficulty circulating and will create foam that can cause damage. The coolant should be changed once a year, as it degrades over time.

Updated on 14 July 2026 by ScegliAuto

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How to replace the motor oil in the KTM Duke 250?

In this tutorial we can see how to replace the engine oil in the KTM Duke 250, an extremely simple and quick operation. First of all, make sure that the engine is sufficiently cold, then place a container underneath it and open the cap of the fill hole. Next, locate the drain hole bolt, unscrew it using a socket wrench and remove the secondary filter, which should be cleaned and reinserted. At this point, open the main filter housing, insert the replacement, reassemble everything and pour the new oil through the appropriate hole.

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