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Congrats to Our Fastest Indian!
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@joel, since a dyno is gonna be a teenie weenie problem to find for me , hehe. Is there a simpler way???
My offerings to the gods of speed -
- KTM Duke 200
- Yamaha RXZ 5 speed
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Joel congrats brother...its great to have the hard work pay and been recognised in a gerat achievment brother keep it up
Save the Earth - We are the one who are running out of time, as Earth will take it own time to heal but that time may not be enough for us.
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I dont just ride my bikes, I live with them.
Yamaha RX100 (1987 model)
Yamaha YZF R15 (2010 model)
Hero Impulse (2012 model)
Mahindra Thar (2015 model)
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congrats brother..
congo!
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There is no short-cut in tuning. Its a very direct approach!Originally posted by jd666 View Post
@Shivanshu, jay_apachian, RanjithMN - Thanks
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^^ agreed mate, but if you had to tune the bike normally, how do you recommend you would do it?? with the help of the FID that is.
My offerings to the gods of speed -
- KTM Duke 200
- Yamaha RXZ 5 speed
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Just remember one this, an FID is not a wonder tool. Its merely a diagnostic tool and it can only alter the CO by slighting richening or leaning the overall injector flow. You cannot use it as an out and out tuning device. It sure needs a lot of trial and error to get any results overt stock.Originally posted by jd666 View Post
FYI, I have tested the FID on stock engines and there is not much that you can gain as the stock ECU itself has a good stoich set-up. You can only make the overall flow overly rich or lean and even with the best set-up, you get only marginal gains. And to get that accurate state of tune, you either need a Dyno or a track where you can test the results with a lap timer or a v-box.sigpic
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^^ i think you got my point wrong, im not looking at increasing the performance of the bike with just the FID. i know that it wont do anything much to the engine. I just wanna learn how to tune the engine correctly of the R15, using the FID. you know like tuning the carburettor on normal bikes??
My offerings to the gods of speed -
- KTM Duke 200
- Yamaha RXZ 5 speed
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There is nothing that you can do to Tune the R15 with an FID. You can only go + and - on the CO setting which is basically richening and leaning the mixture. If you not looking at increasing the performance, what else are you trying? See man, a stock R15 comes with teh CO setting "0". You go plues or minus will surely change the fuelling. You need a dyno to get some gains with the CO setting change. Thats why I said, if you dont have a dyno, you atleast need to test the bike on the track with a V-box or laptimer and see the improvement in performance.Originally posted by jd666 View Postsigpic
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^^ so the ideal setting for the bike is at C0 = 0??? It wont vary with climatic conditions, temperatures, anything???
My offerings to the gods of speed -
- KTM Duke 200
- Yamaha RXZ 5 speed
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A stock ECU has a default '0' reading. But higher CO is preferred for hotter temps for obvious reasons, especially at chennai
TVS 50 XL -> 125 XXL : TVS VICTOR GL : YAMAHA R15-S : YAMAHA FZ1n :: KTM RC 390Comment
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Eh? Hotter temps? CO is carbon monoxide. It indicates how much fuel was only partially burned. Higher CO means the engine runs richer, lower CO means running leaner. For optimal performance you want to hit a specific CO level, because then your engine will develop most power. This does not really depend that much on temperature. (It does, but it has to effect of making the air going into the engine less dense and thus enriching the mixture, meaning higher CO automatically.) The bigger determination for how to set the CO is the pressure. Being at sea level, means denser air, thus you need more fuel. Higher up, less dense air and less fuel needed.Originally posted by karthik_R View PostA stock ECU has a default '0' reading. But higher CO is preferred for hotter temps for obvious reasons, especially at chennai
So all in all, the different weather conditions, your location, all affect the CO level measured, you can correct it at that point to get the optimal CO level, but when the conditions change or you travel to a different location (eg higher altitude), you need to set it again.Comment
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^Andate - Its the AFR that we change. Normally I change the AFR when we hit chennai coz of its proximity to the coastal side compared to our bangalore state of tune. Its more humid and hence you need to run a bit richer than otherwise.sigpic
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Joel. Congrats. There are few people who get the opportunity to do what they love. I envy you brother.Originally posted by Joel View Post
btw,how much do you richen when compared to bangy ? Have you come to a definite pre calculated value or every time you run with richer mixture in trial and error method ?Comment
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^I have done extensive testing on our bikes and its now a formula that I have. Chennai X Afr and Coimbatore Y Afr. It works spot on and the lap times and speeds are showing it clearly.sigpic
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