06 ninja 636 exhaust valve?

sikninja636 · 02-11-2007

anyone take theres off? If so pros cons? And I also wanted to know if there is anything that needs to be done to bypass the ECU?
Thanks
Brandon

GREENISBEST · 02-21-2007

You can remove the Exhaust Valve which is usually done when replacing with an aftermarket system.
You will need to fit a plate to the controlling motor that the cables are attached to to enable the ECU to see both open and closed stops otherwise the EFI will pop a fault code, This in itself is not a worry but will mask any other fault that may occur and show via the EFI light.
The plate will come with the replacement exhaust in most cases as the manufacturers know it is needed.

As regards just removing the valve from the standard system and running without it, Besides having to stop up the resulting holes you will notice a loss low down but not having carried this mod out i am unsure just how much the bike will be effected.. I can see no discernable gain from that particular exercise

02-11-2007	#1 (permalink)
sikninja636 boost Join Date: Feb 2007 Location: PHX,AZ/Trenton,NJ Posts: 9	06 ninja 636 exhaust valve? anyone take theres off? If so pros cons? And I also wanted to know if there is anything that needs to be done to bypass the ECU? Thanks Brandon

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02-21-2007	#2 (permalink)
GREENISBEST Honest it wern't me !! Extreme Forum Supporter Join Date: Nov 2006 Location: Northants UK Posts: 1,786	You can remove the Exhaust Valve which is usually done when replacing with an aftermarket system. You will need to fit a plate to the controlling motor that the cables are attached to to enable the ECU to see both open and closed stops otherwise the EFI will pop a fault code, This in itself is not a worry but will mask any other fault that may occur and show via the EFI light. The plate will come with the replacement exhaust in most cases as the manufacturers know it is needed. As regards just removing the valve from the standard system and running without it, Besides having to stop up the resulting holes you will notice a loss low down but not having carried this mod out i am unsure just how much the bike will be effected.. I can see no discernable gain from that particular exercise

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