Скачать с ютуб Ryan Villopoto Yamaha YZ125 Two Stroke Replica - Motocross Action Magazine в хорошем качестве

Ryan Villopoto Yamaha YZ125 Two Stroke Replica - Motocross Action Magazine

#twostroke #racing #motocross #2stroke After building so many two-stroke project bikes in a such a short time, we have burned out on our garage-queen fixation. Exotic parts and fancy anodized doodads and bolt-ons have lost some of their appeal. For this month’s 2020 Yamaha YZ125, we wanted a no-frills race bike. We only wanted to change the stuff that needed changing, work on the items that needed help and replace the parts that we knew could be better. Don’t get us wrong, we didn’t want an ugly bike; we wanted the most functional 2020 Yamaha YZ125 possible. Here is how we achieved it. Choosing the man to build our YZ125 engine was a no-brainer. He is the greatest tuner in the history of motocross. His engines have won over 200 AMA Pro races and 20 AMA Championships. Going to Mitch Payton is like going to the top of the mount for heavenly guidance. We handed him our engine and never looked back; we knew it would be right.Mitch milled the bottom of the YZ125 cylinder to lower the port timing, then he raised the ports back up with artistic curves, matched the power valve, staged the transfers and machined the cylinder head to make room for the piston to complete its stroke inside the head. Inside the head he reshaped the combustion chamber and squish band. Mitch added a special one-off Pro Circuit piston with a very thin 0.80mm single ring, a heavier flywheel (which most tuners would think was blasphemy) and a special YZ125 black box. A Moto Tassinari V-Force4R reed cage was bolted on, and the tank was filled with VP MRX02 with Castrol at 32:1. It is a rocket ship. In stock trim, a 2020 YZ125 makes 33.53 horsepower with 15.55 foot-pounds of torque. The Mitch Payton-engine pumped out 38.32 horsepower and 17.64 foot-pounds of torque. We’ll do the math for you. Our race engine was 4.8 horsepower up on the stocker and 2.1 foot-pounds of torque stronger.The MXA test riders liked everything about the Pro Circuit YZ125 engine. It was stronger than the stocker at every point on the curve, pulled harder through the middle, and was planted to the ground, which we attributed to the heavier flywheel. Once the engine got to the working part of the rpm range, which on a 125 two-stroke is above 9500 rpm, it really came to life. It was not just fast; it had a broad pull through the midrange. It wasn’t a peaky, wide-open, all-or-nothing powerband; it was the strongest YZ125 engine we had ever ridden. Best of all, the YZ125 was no longer playing second fiddle to the KTM 125SX. The MXA wrecking crew can boil the most important thing that we did to our YZ125 down to sending the engine to Mitch Payton. The most important thing about a 125 is how fast it is. Mitch gave our 2020 Yamaha YZ125 two-stroke almost 5 horsepower more than the stocker.If you have limited money to spend on a hopped-up YZ125, spend every penny on the hop-up. You don’t need fancy wheels, exotic works forks or custom graphics. If it were us, we’d race a well-prepped beater with the Pro Circuit YZ125 engine in it over the prettiest garage queen on the planet with someone else’s engine in it. It’s that simple. Full Build Details- https://motocrossactionmag.com/mxas-r... Subscribe to Motocross Action: https://hi-torque.com/product/subscri... Follow Motocross Action:    / @motocrossaction   Motocross Action Website: http://www.motocrossactionmag.com/ Motocross Action Facebook: https://www.facebook.com/pages/Motocr... Motocross Action Twitter:   / mxaction   Motocross Action Instagram:   / motocrossactionmag