What does Yamaha EXUP do?
This is a system that employs a variable EXUP valve in the muffler that can change the configuration of the exhaust duct in a way that controls fluctuations in exhaust pressure at the moments of overlap between the intake and exhaust valves in order to improve intake efficiency, boost power output and improve fuel …
What is a Yamaha EXUP valve?
The EXUP system was a four-stroke power valve system, placed in the bottom-end of the exhaust’s downpipes to fool the pipe into thinking it was the best ‘length’ for both mid-range and high-rpm operation. For Yamaha they devised a system that would open and close a series of valves in a section of exhaust.
What is EXUP servo motor?
What does an exhaust servo motor do? An exhaust servo motor is one component of the exhaust valve system (sometimes called the ex-up or power valve system) found on almost every modern sportbike including all Honda, Kawasaki, Yamaha, Suzuki, BMW, Ducati, Triumph and a few others.
What is Exup eliminator?
Description: Graves Motorsports Universal EXUP Eliminator is a simple plug-and-play application that allows the removal of the EXUP valve and motor without setting the “Check Engine light” being activated when using a full racing exhaust.
What is the purpose of an exhaust butterfly valve?
Exhaust butterfly valves are a type of actuator used to silence or reduce noise emitted from certain applications. These valves are commonly associated within the automotive industry, as they will often be found working within cars or motorbikes.
What does exhaust servo eliminator do?
About the Exhaust Servo Eliminator This tiny little fella will eliminate the bulky, heavy and space wasting OEM servo motor with the operating cables and wiring, which can save up to 1 kg and frees up a lot of under seat storage. Also, you may now get rid of the exhaust valve too by replacing the exhaust system.
How do you lubricate a butterfly valve?
Maintenance of Butterfly Valves Make sure to apply grease at an interval to the neck of the valve till the excess grease flows out. At the gearbox, you can apply lithium based grease for its maintenance. You can clean all the parts of the valve easily by using any silicon-based product/lubricant.
Do I need a servo eliminator?
You don’t need the Servo Buddy unless you eliminate or unplug the exhaust servo control motor. The only reason to unplug it that I’m aware of is if you eliminate or disable the flapper valve in the exhaust. Usually this is associated with installing a racing collector/header.
Do you need a servo buddy for slip on exhaust?
The Servo Buddy is a must-have when switching to an aftermarket exhaust- and even works great with a factory system if you want to eliminate the servo motor and fix the exhaust valve in the open position. All other models (including the 2019-2020 S1000RR) just need one Servo buddy.
How do you maintain a butterfly valve?