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Is my bike running lean

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  #1  
Old 08-04-2011, 11:02 PM
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Default Is my bike running lean

It seems like its running fine but was just worried from the way auto tune was tuning it.

Exhaust is Bub side cutters 2 into 2
Intake Roland sands Turbine
controller PCV with auto tune

original map was for Bub 7 2 into 2
screaming eagle intake

Photos are as follows: Original cyclinder 1 fuel table, C1 Fuel table after excepting trim once, and current trim.
 
Attached Thumbnails Is my bike running lean-starting-map-c1-fuel-table.jpg   Is my bike running lean-c1-fuel-table.jpg   Is my bike running lean-c1-trim.jpg  
  #2  
Old 08-04-2011, 11:05 PM
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Let me know if you can see pics i dont have permission to view them.
 
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Old 08-05-2011, 05:57 AM
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pics are way too small to read.

If you are lean, one sure sign is exhaust popping on decel.
 
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Old 08-05-2011, 01:42 PM
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I thought the poping or back fire is from the extra gas in the pipes not being burn. One lean condition you can tell is: bike will run hotter than normal.
 
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Old 08-06-2011, 04:26 PM
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Heres the photos. it goes Original, fuel table with trim excepted, and new trim.



 
  #6  
Old 08-06-2011, 06:52 PM
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look at your plugs,pure white too lean,should be chocolate brown
 
  #7  
Old 08-30-2011, 09:06 AM
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What you're looking at doesn't indicate lean or rich, it just shows +/- % adjustment to ECM fuel map, you just cant look at the RPM/TPS table and determine AFR. You need O2 feedback to know the actual AFR. I was under the impression that the PCV w/Autotune had O2 datalog capability. You need to look at an AFR log. Forget trying to read plugs as tune condition indicator, read the O2 sensors they are a little more accurate.
 
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Old 08-30-2011, 09:11 AM
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No whiter then this. How does it run? Poping is rich and most all will do it if you come all way off throttle quick enough when it's hot. Not a good test.
 

Last edited by Jackie Paper; 09-14-2018 at 10:28 AM.
  #9  
Old 08-30-2011, 02:08 PM
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Like fabrik8r says your trims are showing adjustments. Each number equals .1 afr so no real big adjustments. What you need to see are your "desired" afr's. To address the popping put some 10's in the 0% column from 1500 rpm up and try it. Then adjust in increments of 5's and you should find a sweet spot.
 
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