Tag Archive for yamaha

Disecting the DI system

just some rough notes in how we might control the DI EDU’s



Yamaha – behind all the great head designs

Below is the technical document produced regading the 2urgse head. There are many advances in the design of this head. Some of these include oil scavenging pump for heads, direct cylinder and port injection, dual VVT-IĀ and dual VVT-IE, tuned equal length runners in plenum, hollow mirror polished cams and valve train, Titanium valves and more..







Intake Plenum

click here to open the PDF

yamaha tec doc