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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through June 12, 2008 » Learned Fuel Value study « Previous Next »

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Archive through May 23, 2008Rdmwc30 05-23-08  11:27 pm
Archive through April 25, 2008Cataract230 04-25-08  02:46 pm
         

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Bearly
Posted on Saturday, May 24, 2008 - 05:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

XB9
I think she likes it rough.....: )

Especially at Nelson Ledges! I've been out on that track in a car, That's pretty rough!
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Spectrum
Posted on Saturday, May 24, 2008 - 08:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Royce - The gap between the front and rear is no big deal. Mine was 90/100 before the rear adapted. It does run much smoother now that the are both at 90. The rear seems to adapt more slowly than the front. Give it time and do some spirited riding and eventually they will come together.
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Xb9
Posted on Saturday, May 24, 2008 - 09:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bearly, it's better since they paved the worst sections several years ago; actually it isn't too bad anymore. The kink is still a trip though. Nothing like laying it over at 120+ (depending on the size of your gonads) and feeling everything on the suspension working full travel. Good adrenaline rush.
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Unibear12r
Posted on Sunday, May 25, 2008 - 12:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Nope, mine was 83.5 front to 105 rear for a little while.
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Xb9
Posted on Sunday, May 25, 2008 - 08:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mine went to 94.5F / 100 R
Exactly the same now with the new calibration as it was with the original.
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Bertman
Posted on Thursday, June 05, 2008 - 08:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

91.0 front
94.0 rear
with new calibration.
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Chevycummins
Posted on Thursday, June 05, 2008 - 09:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mine are still both 100. From what I was told by a tech at buell is that an afv of both 100 is good. This means that the fuel map is right on for the conditions. If it varies from 100 then the programed fuel maps are off for the conditions and the ecm and O2 sensors are trying to correct it by adding fuel or removing fuel. It sounds like the afv is there as a diagnostic aid to help if there is a problem. A intake manifold leak, fuel injector leak or restricted injector would cause the afv to change and then you would know what cyl has the problem. I'm not saying that there is a problem if the afv is not 100 but for your driving conditions the ecm detected an incorrect mixture and is just trying to correct it. As these bikes get older with some miles put on them if there is a problem the afv will be a great diagnostic tool if there is a problem.
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Ponti1
Posted on Friday, June 06, 2008 - 06:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does performing the manual TPS reset trip these values back to 100F/100R? If so, how long after reset should the bike be fully settled into whatever values it is likely to keep?

I believe mine are reading 90/90 right now, but not absolutely certain which values in diagnostic mode I should be reading. I don't see anything that indicates "LFV"
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Spectrum
Posted on Friday, June 06, 2008 - 07:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't believe the TPS reset has any effect on the AFV values. TPS is recalibrating the Throttle Position Sensor. AFV effects Fuel mapping. Two very different sub systems.
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Slypiranna
Posted on Friday, June 06, 2008 - 08:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 Spectrum
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Ponti1
Posted on Saturday, June 07, 2008 - 01:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks. Wasn't sure if one reset may affect both...
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