2012 Kawasaki Ninja 650 Pair Valve Plug - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 39 (permalink) Old 06-03-2012, 06:12 AM Thread Starter
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2012 Kawasaki Ninja 650 Pair Valve Plug

I found other posts and threads detailing how to perform plugging your pair valve on previous models but I couldn't find anything specifically for the 2012 650. So I decided I would put together a document detailing the steps I took to plug the pair valve on my 2012 Ninja 650.

I hope my document helps others out there attempting to perform the same mod. If anyone has suggestions to help improve the document, please feel free to let me know and I will see if I can incorporate them into the document.

Good luck and ride safe!

2012_Kawasaki_Ninja_650_Pair_Valve_Plug.pdf
DRGilroy is offline  
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post #2 of 39 (permalink) Old 06-03-2012, 09:26 AM
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Great guide. The only thing I would change is circling hoses/ bolts that you are referring to in the instructions. Thank you for the guide.
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post #3 of 39 (permalink) Old 06-03-2012, 11:24 AM Thread Starter
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Quote:
Originally Posted by TurboMan View Post
Great guide. The only thing I would change is circling hoses/ bolts that you are referring to in the instructions. Thank you for the guide.
Thanks for the suggestion. I originally intended to do that but it got late last night and I just put it together with what I had. If I get some free time tonight, I'll update the images.
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post #4 of 39 (permalink) Old 06-03-2012, 12:56 PM
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I'm doing this mod tomorrow because of your guide.
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post #5 of 39 (permalink) Old 06-03-2012, 09:32 PM Thread Starter
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Quote:
Originally Posted by TurboMan View Post
I'm doing this mod tomorrow because of your guide.
I've updated the images with some arrows and circles. Good luck!
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post #6 of 39 (permalink) Old 07-08-2012, 04:49 PM
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good write up!

2012 Kawasaki Ninja 650
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post #7 of 39 (permalink) Old 07-08-2012, 06:42 PM
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What exactly does this mod do?

2012 Ninja 650
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post #8 of 39 (permalink) Old 07-09-2012, 02:03 PM Thread Starter
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This mod is used for bikes with aftermarket exhausts.

The PAIR valve allows air to pass into the exhaust so that any unburnt fuel gets ignited in the exhaust system instead of being let into the atmosphere. Consequently, with aftermarket exhausts, this can cause annoying popping, crackling and after fires. Plugging the valve prevents the air from entering into the exhaust and thus eliminates or lessens the amount of popping, crackling and after fires.

I installed a TwoBros exhaust and plugging the PAIR valve smoothed out the idle and reduced the loud crackling and popping. I'll still get the occasional after fire under hard deceleration but it's less than before plugging the valve.

You can find more info here:
Pair Valve
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post #9 of 39 (permalink) Old 07-09-2012, 04:36 PM
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Great guide. Thank you!!!!

2012 Kawasaki Ninja 650 Candy Lime Green
Mods: Swing arm spool/slider, Green LED running lights, Green Street FX LED kit with wireless remote, Carbon fiber tank pad

2007 Kawasaki Ninja 250R Black/Red tribal - RIP
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post #10 of 39 (permalink) Old 07-09-2012, 09:07 PM
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Thanks for the information on what this does as well.

2012 Ninja 650
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