Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
To replace the exhaust on the TM Racing SMR 125, loosen the screws that secure its end to the supports on the rear mudguard of the bike. Once these screws are loosened, you can remove the fastening ring that connects the end of the exhaust to the remaining pipe. The old exhaust can then be completely removed and replaced with a new one. The new exhaust must be connected to the exhaust pipe and secured to the respective supports at the rear of the mudguard, ensuring it functions correctly.

Updated on 27 July 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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