Do it yourself
Frequently asked questions about cars and motorcycles
In this video tutorial, learn how to perform the routine oil change service on a TM Racing SMR 450. First, remove the skid plate by unscrewing the securing torx screws, then unscrew the oil drain bolt and let the oil drain into a container for about twenty minutes. Once done, replace the bolt and unscrew the oil filter screws, replacing it with the correct new one. Finally, pour in the new engine oil with the correct specifications and fill to the level (approximately 1.5 litres).

Updated on 8 April 2026 by ScegliAuto

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How to replace the air filter in the Herald Classic 125?

In this tutorial, you will see how to replace the air filter in the Herald Classic 125, a very simple and quick operation. First, position yourself on the left side of the motorcycle, then grab the panel located under the seat, pull it towards you, and detach it from the frame. Next, unscrew the three fastening screws of the airbox cover, remove it, and take out the old filter from its housing. At this point, remove any dirt residue present, insert the replacement filter, and reassemble everything by following the reverse procedure.

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