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Old 04-05-2010, 06:44 PM   #1
maxgs
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A/F Sensor Questions - video

OK, I finally have the A/F working on the video. I'd appreciate any comments from people experienced with tuning a/f on the readings I'm getting.

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Old 04-05-2010, 08:54 PM   #2
maxgs
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Here is what the graph looks like in the data acq. The red line is RPM and the scale is on the right. It's basically from 9.5K to 12.7K in third and fourth gears.

The yellow line is Air/Fuel and the scale is on the left. A/F is from 12 to about 12.5.

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Air Fuel
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Old 04-05-2010, 09:03 PM   #3
The Trav
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Quote:
Originally Posted by maxgs View Post
Here is what the graph looks like in the data acq. The red line is RPM and the scale is on the right. It's basically from 9.5K to 12.7K in third and fourth gears.

The yellow line is Air/Fuel and the scale is on the left. A/F is from 12 to about 12.5.

Comments?
12-12.5 is a little bit rich, but not too bad. shoot for a 13.2-13.5 number if you can.

Under full throttle, the a/f ratio looks fairly consistent. (you have a happy healthy bike)
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Old 04-06-2010, 05:59 PM   #4
Mark06gsxr
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Quote:
Originally Posted by The Trav View Post
12-12.5 is a little bit rich, but not too bad. shoot for a 13.2-13.5 number if you can.

Under full throttle, the a/f ratio looks fairly consistent. (you have a happy healthy bike)
Agreed. Most tuners will shoot for 13.2:1 afr for max hp with an N/a setup. Although the diff in hp will be minimal after you lean it out, and with our bikes having such high c/r ratios I would prob not touch it, and let the engine live a little longer/stay safer.
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Old 04-06-2010, 06:04 PM   #5
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Thanks for the feedback.
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