What does a secondary throttle valve Eliminator do?

The STV Eliminator plugs into the bike’s wiring loom directly. With the help of this small unit, you’re able to remove the whole secondary valve assembly with the actuator motor, the butterfly valve plates and the rod/shaft too.

What is Stva on a motorcycle?

FYI, the STVA is the Secondary Throttle Valve Actuator, and has nothing to do with your exhaust. It is for predictable, linear torque delivery throughout the entire RPM range. The SET Valve or EXCV is what is located in the exhaust and that is for sound regulations and has no effect whatsoever on power or torque.

What are secondary butterflies?

On many race bikes, the secondary butterflies are removed to give the rider more control over the throttle, quicken the throttle response and remove any restrictions.

What is exhaust servo eliminator?

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.

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.

What does an exhaust valve servo motor do?

A servo motor controlled by the ECU opens and shuts the valve. The valve goes from being almost fully closed at idle speed, through to fully open at higher engine speeds.

Do I need a servo buddy for a slip on exhaust?

Vendor. 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.