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Old July 14th, 2019, 01:36 AM   #1
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Servo eleminator for aftermarket slipon

Hi guys is servo eleminator beneficial if we install am after market slip on in my case im puttin werkes slip on on m821 18..does servo eleminator give better air to fuel mixture which makes bike run leaner?
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Old July 14th, 2019, 03:45 AM   #2
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Exhaust valves and servo motors explained
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Old July 14th, 2019, 11:21 PM   #3
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Hi thanks for the link but the article doesn mention any thing abt air fuel mixture or ne thing based on tat
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Old July 15th, 2019, 03:12 AM   #4
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Quote:
Originally Posted by Harsha821 View Post
Hi guys is servo eleminator beneficial if we install am after market slip on in my case im puttin werkes slip on on m821 18..does servo eleminator give better air to fuel mixture which makes bike run leaner?
Removing the exhaust valve is beneficial in the operational range when the A/F ratio is re-balanced accordingly.
Here's a quote from the attached servo eleminator marketing. Note the second portion of the statement (bold):

"The proof of this has been shown on the dyno where removing the valves and retuning the engine creates a flatter better torque curve."

In the absence of a tune, the engine may run lean in that portion of the RPM range and consequently may even lose power as a result.
Keep in mind that the valve only closes at low~mid RPM where the engine does not produce a lot of power. Therefore little is lost.
The resulting increase in decibel often act as a placebo creating the illusion of increased power.
At higher RPM or WOT, the valve is open and not an impediment.
The servo eliminator gizmo does not affect the fuel mixture. It simply prevents an error code to light-up.
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Last edited by DarR; July 16th, 2019 at 10:28 AM.
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