Getting a Dyno on a 2011 Triple - Page 2 - Triumph Forum: Triumph Rat Motorcycle Forums
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post #11 of 17 (permalink) Old 11-15-2012, 10:34 PM
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Not that this is relevant to your thread; but FactoryPro did a map for my Aprilia that absolutely ROCKED. Good folks up there!


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post #12 of 17 (permalink) Old 11-16-2012, 08:50 PM
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Does the SAI put air in all the time? I thought it was only active when off the throttle decelerating, etc. Not sure how you would check this. Is it different than cars? My car has a wideband and it is obviously after the air injection and it doesn't throw off the reading...only on decel do I see it go leaner. Likely due to extra air being injected into the exhaust.

Also, I got mine dyno'd with SAI intact and the AFR readings were fine.
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post #13 of 17 (permalink) Old 11-16-2012, 09:21 PM
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I asked the same question about blocking off SAI before I had my Sprint dynoed at Power-Tripp. My SAI was removed/blocked off when I had the bike dynoed but Wayne told me it makes no difference (for dyno work). He should know but if your dyno operator insists then you have no option.

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post #14 of 17 (permalink) Old 11-16-2012, 11:03 PM
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Originally Posted by champ87 View Post
I asked the same question about blocking off SAI before I had my Sprint dynoed at Power-Tripp. My SAI was removed/blocked off when I had the bike dynoed but Wayne told me it makes no difference (for dyno work). He should know but if your dyno operator insists then you have no option.

Wayne's method is to tune a bike to its potential, not an "ideal" A/F.

Lesser tuners may go exclusively off A/F.

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post #15 of 17 (permalink) Old 11-16-2012, 11:49 PM
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I think it makes no difference because is not active under power
Incidentally Factory Pro also tune for power not A/F


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post #16 of 17 (permalink) Old 11-16-2012, 11:56 PM Thread Starter
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Does A/F mean smoother running or finding the rich/lean spots and getting that sorted? I'd prefer smooth running on acceleration and deceleration then more HP.

Whomever said all good things in moderation certainly never rode a bad ass Bonneville
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post #17 of 17 (permalink) Old 11-17-2012, 06:44 AM
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A/F can help "find" the power spots, as a general rule, at WOT, 12.8 is a good starting point. Measuring it can also ensure that the tune is safe, and ensure, for instance, you are not running to lean in a particular area. What these guys are saying is the way to go, use it as a guide or an additional data point, but not tune exclusively from that.

Also, if you are getting a tune done, they should go after everywhere in the throttle range and not just WOT, so they will need to be looking at much more than just AFR anyway.
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