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What should my target AFR be?

 Re: What should my target AFR be?
The best full throttle AFR target is the AFR that makes best power under load. Generally, somewhere between 12.8 and 13.5 and not the same blanket AFR across the board.
 
 Re: What should my target AFR be?
Hi everyone I have a 2016 Kawasaki Z1000 fitted with sp engineering moto gp xtreme exhaust Cat removed, KN High flow air filter and i want to try and get the max power out of this bike can anyone tell me what would be the best Target AFR ?? Thanks in advance for any help
 
 Re: What should my target AFR be?
hello guys I am new to this forum. started to use woolich racing autotune after I noticed high fuel consumption on my bike I have a zx10r 2016 built engine for drag racing . I have two maps on the bike . one for race fuel and one for regular fuel. I tested the bike on the wideband and logged some files . I found out that I have a 10.5 AFR at some points and specially on mid range RPM and high RPM . still that no 1000cc can pass me . anyway I want to adjust that . I put the autotune on 15% correction. at some logged cells it gave me a -35% correction and on other -17%. on both IAP and TPS. please need advice if I have to apply those changes and flash the ECU. and do a test run N.B : my low power mode is the regular gas map . my full power is the race fuel map. also I am remapping only on low injectors with maintaining cylinder offset kept the upper injectors as stock mapping no need for it I tested the race fuel map it was very good AFR 13 need advice . don't want to mess things up. thx if any one can help using team viewer . thxxx didn't know how to attach my autotune analyzed data for both IAP and TPS best regards for all
 
 Re: What should my target AFR be?
ok - I will wait for PM. thx.
 
 Re: What should my target AFR be?
Looking for a performance oriented, yet safe target AFR that would be optimal for me. 2011 GSXR 750, aftermarket air filter, full yosh r77 exhaust. Right now I'm running 13.1 target AFR across all cells for IAP and TPS. Is this advised or is there a better number? Well, here's reality - Each bike potentially needs a different "AFR number" to make best power. The dynojet guys kinda decided that the number "13.1" works well enough for most bikes. It's not really displaying the ratio of air and fuel entering the engine - it's making an assumption based on how much oxygen is left in the exhaust gas and that can be affected in quite a few ways - hence, there is no perfect afr number. 13.1 will get you close. Hi Marc! I send you PM
 
 Re: What should my target AFR be?
Looking for a performance oriented, yet safe target AFR that would be optimal for me. 2011 GSXR 750, aftermarket air filter, full yosh r77 exhaust. Right now I'm running 13.1 target AFR across all cells for IAP and TPS. Is this advised or is there a better number? Well, here's reality - Each bike potentially needs a different "AFR number" to make best power. The dynojet guys kinda decided that the number "13.1" works well enough for most bikes. It's not really displaying the ratio of air and fuel entering the engine - it's making an assumption based on how much oxygen is left in the exhaust gas and that can be affected in quite a few ways - hence, there is no perfect afr number. 13.1 will get you close.
 
 Re: What should my target AFR be?
Screen Shot 2017-06-25 at 1.22.32 pm.jpgSo, IAP vs TPS, To achieve the best of both worlds for economy at low speed/TPS and full power at say above 50 TPS, would you basically leave the IAP maps at stock target AFR, and then only change TPS to 13.0 from the TPS:50 and up cells? Or is that not how it works? This is essentially how I have mine setup right now. IAP Target AFR is stock and the TPS goes like this: I've been working on a target afr map for my '09 Hayabusa... I'm sure that the targets would be similar in nature, but the 'generic' target map is no good... When I auto-tuned my ECU using the standard AFR target maps, the power levelled out at around 8,000rpm... so I had to rent my bike, go back to previous maps, and have been adjusting the target maps to what my ECU is set to right now... takes a long time though... The area in pink is cruising at around 80 - 100 kph, set to stoich, and the yellow line is following the live view with increases of 500rpm using minimal throttle openings... still work in progress...
 
 Re: What should my target AFR be?
So, IAP vs TPS, To achieve the best of both worlds for economy at low speed/TPS and full power at say above 50 TPS, would you basically leave the IAP maps at stock target AFR, and then only change TPS to 13.0 from the TPS:50 and up cells? Or is that not how it works? This is essentially how I have mine setup right now. IAP Target AFR is stock and the TPS goes like this:
 
 Re: What should my target AFR be?
I should add that the 13.5 came back from Woolich when the send me the initial maps for my ECU... :roll:
 
 Re: What should my target AFR be?
FYI Interestingly enough, I have a 2012 GSXR750 with full Yosh exhaust for California and capped PAIR at sea level with premium pump gas at 93. My AFR tables are 13.5 and not 13.1 It runs well but haven't take it to a dyno yet.
 
 Re: What should my target AFR be?
full power 12,8!!!! eco 14 mid range 13,2-13,5
 
 Re: What should my target AFR be?
Plugging the pair is the first thing you do when you tune a bike, whether on a dyno or using a data logger.
 
 Re: What should my target AFR be?
Ok. I've been meaning to do this now for a while, I'll have to do plugs soon, so I'll do that then.
 
 Re: What should my target AFR be?
Negative, everything is still there, except set valve and stock o2 You should block pair and disable it in the bin file before doing any good autotune.
 
 Re: What should my target AFR be?
Negative, everything is still there, except set valve and stock o2
 
 Re: What should my target AFR be?
Have you plugged the pair?
 
 Re: What should my target AFR be?
Lmao, I had a feeling that was you hahahah. Well today was pretty cold, did an auto tune yesterday, but today I noticed I was shooting flames and getting quite a bit backfire, some pretty loud pops too upon getting off throttle. Checked my logs playback and the afr was dead on the 13.1 target. Is this ok or do I need to change something? It's been pretty good, up until today, real smooth and no back fire at all... just flames here and there, so not sure what happened.
 
 Re: What should my target AFR be?
No matter how many times you ask the same question on different forums. The answer will be the same 13:1 ;)
 
 What should my target AFR be?
Looking for a performance oriented, yet safe target AFR that would be optimal for me. 2011 GSXR 750, aftermarket air filter, full yosh r77 exhaust. Right now I'm running 13.1 target AFR across all cells for IAP and TPS. Is this advised or is there a better number?
 
 
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