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VFC-III Settings???
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steve76t
Posted 2014-04-15 8:14 PM (#154303)
Subject: VFC-III Settings???


Puddle Jumper

Posts: 25
I've got a '13 Vision and late last year I installed a Lloydz VFC-III fuel controler, Lloydz Timing Wheel and Lloydz Top Filter. The VFC-III was preset by Lloydz ((G=3.5, Y=3, R=1, G/B=n/a, Y/B=5, R/B=3)) and I haven't adjusted anything yet as the bike runs great. However, I do have one issue... when starting a cold bike, it spits out quite a bit of carbon during its warm up. Typically I start the bike, let it idle for a couple minutes while I put my helmet on, I back it out of the garage, crack the throttle open for a second which blows the carbon out the exhaust. After that there's really no signs of any more soot or carbon at all. I park infront of a wall at work and when I start the bike there, I leave two big black spots on the wall when I start it up.

Kind of thinking of leaning out the G setting to if it'll help. Does anyone else have this issue? Have you made any adjustments to correct it?

Thanks for your input...
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rdbudd
Posted 2014-04-16 9:55 AM (#154312 - in reply to #154303)
Subject: RE: VFC-III Settings???


Visionary

Posts: 1632
Jasper, MO
The ECU sets a richer mixture when the bike first starts and is warming up. Think of it in terms of the chokes on the old carburetors. Cold motors need a richer mixture to keep running, until up to operating temperature.

Also, your exhaust will be spitting a lot of water condensation until it heats up.

It's normal.

Ronnie
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steve76t
Posted 2014-04-17 12:45 AM (#154326 - in reply to #154303)
Subject: Re: VFC-III Settings???


Puddle Jumper

Posts: 25
I do understand that the ECU is making adjustments to the fuel mixture when cold. However, the issue I'm having did not occur at all before installing the VFC-III.
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willtill
Posted 2014-04-17 9:18 AM (#154329 - in reply to #154303)
Subject: Re: VFC-III Settings???


Visionary

Posts: 1365
Central Maryland
You may have been leaner before installing the fuel controller. You're going to see a richer A/F with the fueler; more fuel and air equates to more power.
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johnnyvision
Posted 2014-04-17 6:22 PM (#154340 - in reply to #154303)
Subject: Re: VFC-III Settings???


Visionary

Posts: 4278
Get a hold of Rylan at the vic shop and tell him what the bike is doing and what your settings are at hes a great guy and does give good help
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