COME FAR VOLARE la Yamaha YZ 125! MONTAGGIO + TEST gruppo termico 144cc ATHENA (2 tempi)

In this video we analyze in detail the new Athena Big Bore 144cc cylinder kit for the Yamaha YZ 125. From production to track testing, we will show you every phase of this upgrade, explaining the advantages it can offer compared to the standard configuration. We start with an exclusive visit to the Athena factory, where we will discover the production and processing process of the cylinders. Afterwards, we will analyze the contents of the Big Bore 144cc kit, we will show the assembly step by step and we will conclude with an in-depth track test in Albettone with our Pietro Vizzini and Mattia Carpi to evaluate the performance of the new engine. Enjoy the show! How to work the crankcases: https://link.moto.it/4aFmv6b Installed product: https://link.moto.it/3Ed9S6l GET: https://link.moto.it/4gjj9ap #athena #2tempi #yz125 #motocross Moto.it with Athena Buy our clothing: https://link.moto.it/3TP0A5j Search for your used bike: https://www.moto.it/moto-usate IG:   / motoit   FB:   / moto.it   Telegram: https://t.me/+SI91PIKXQSLJtnRw