Need help, what is this? - ZX Forums
 
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post #1 of 6 (permalink) Old 08-18-2019, 08:40 PM Thread Starter
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Need help, what is this?

I just bought this ZX6 the other day, it's bone stock 8000 miles, I took the seat off and found this jumper, someone must know what it's for.

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post #2 of 6 (permalink) Old 08-18-2019, 10:27 PM
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Aftermarket exhaust?

Maybe it’s the exhaust servo bypass?
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post #3 of 6 (permalink) Old 08-19-2019, 05:46 AM Thread Starter
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Quote:
Originally Posted by mte78 View Post
Aftermarket exhaust?

Maybe itís the exhaust servo bypass?
It has the stock exhaust
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post #4 of 6 (permalink) Old 08-19-2019, 10:28 AM
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Quote:
Originally Posted by mte78 View Post

Maybe itís the exhaust servo bypass?
Japanese bikes did not have exhaust noise snuffers (servo-controlled butterfly valves in the exhaust pipe(s)) in '07. They may have 'em on newer models. They are a European invention designed to help the machine pass the Euro noise test. Usually takes a dongle with a resistor to keep the ECU from throwing a code when they're removed.

The one on my KTM fried in slow tratfic on a hot day. I was only too happy to shitcan the servo and it's cables in favor of the dongle. When I do the de-cat, the butterfly will be gone, too. They are spring loaded to be open unless the servo pulls them partially closed at 5K rpm where the Euros take their sound-test readings.

It may be a pig, but it's a pig with a rocket in it's ass!
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post #5 of 6 (permalink) Old 08-19-2019, 12:05 PM
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I had one on my CBR 1000RR. I had no idea what that thing was for.

Thanks for the knowledge.


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post #6 of 6 (permalink) Old 08-20-2019, 05:19 AM Thread Starter
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From: Canton GA
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Still no idea as to what the jumper is for. I know it's not the map mod because the jumper is in the wrong place so WTF is it.
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