Juice
Expert Class
Posts: 154
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posted October 10, 2012 06:02 PM
Nitrous Help...
So im at the track in idaho for our Halloween Classic.... I have a 07 running a wet kit direct port (20 nitrous 18 fuel) with a pc5 and auto tune
Now after a nitrous pass the bike doesnt want to idle as if its flooded, i have to hole the throttle open to keep it running...
I get to my pit and let it sit while i change (maybe 3 mins) then start it and she surges from 1000 to 1500 rpm and die ev once an a wile.... I can rev it up and its just fine, run a pass and its fine....
I let it sit 2 or 3 hours and is surges after starting maybe 5 seconds and goes away.... Ides normal after that till a nitrous pass.... Checked the pc5 to see if it was rich and it says its dead nuts at 11.7 says
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2007 Kawasaki Ninja ZX14 SE - 8.74 @ 150 MPH
  
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kawasakijockey
Pro
Posts: 1876
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posted October 10, 2012 06:11 PM
You might want to check the spark plugs. Could have a burned one.
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Get on the shortbus boys 'cause its time to get schooled.
2007 ZX-14
1.38 60ft
9.03 @ 149mph
8.95 @153 small shot n2o
8.68 @160mph 5lbs boost
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RICH CRAFT 1
Zone Head
Posts: 681
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posted October 11, 2012 05:56 AM
I've had a problem like that, with both my 12 and 14. On the frame above the injectors or two inspection caps, the left side has a cold air sensor right over the throttle bodies. So if the weather is cooler. It makes the bike richer, because cooler air makes more horsepower that needs more fuel, the ECU will go rich, making idling and sometimes cruising speed, difficult when you spray the nitrous in the airbox, it gets really cold the ECU goes crazy and dumps a lot of fuel. it takes the ECU, a little while to readjust. My fix was to move that sensor farther up into the ram air tubes, getting it away from the cold air of the nitrous.
Ken
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Red 06 ZX14 RR
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