power commander III usb question help needed

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BIGGDAWG

Well-known member

Jul 6, 2001

1,860

676

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53

Waverly, Iowa

• Dec 27, 2009

• #1

Does anyone know in the advanced fuel map which injectors are which cylinder?
it splits it into injector 1,2,3,4 on a 08 800 dragon, i want to richen the mag cylinder. which injectors do i add fuel too?

 

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ElectroTech

Free Member

Jan 18, 2008

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St. Paul, AB

• Dec 27, 2009

• #2

Not sure how power commander has them designated but you will only need to add fuel to the upper cylinder mounted injector. The upper injectors supply all fuel from 6-100% throttle opening (its silly I know). It used to be Lowers from 0-6%, then uppers from
6-40% then back to the cases from 40-100%

 

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ghostwhite

Well-known member

Feb 12, 2009

523

186

43

Baghdad, Iraq

• Dec 27, 2009

• #3

ElectroTech said:

Not sure how power commander has them designated but you will only need to add fuel to the upper cylinder mounted injector. The upper injectors supply all fuel from 6-100% throttle opening (its silly I know). It used to be Lowers from 0-6%, then uppers from
6-40% then back to the cases from 40-100%

Click to expand...

thats is ridiculous, I am no FI expert by any means but that is very illogical.

 

Steep&DeepRider

Active member

Premium Member

Jan 8, 2007

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46

Austin, MN

• Dec 28, 2009

• #4

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It (the 4 injector set up) was done this way because optimally, 2 stroke motors need fuel at different stages of RPM(throttle) from these 2 different areas(crankcase/upper cylinder). Much research was done on this. You can read about it briefly in this month's snowest magazine on the CMX article I believe.

 

Last edited: Dec 28, 2009

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BIGGDAWG

Well-known member

Jul 6, 2001

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Waverly, Iowa

• Dec 28, 2009

• #5

thanks guys got ahold of dynojet today and they said injector 1 and 2 are for cylinder 1 and 3,4 are for cylinder 2.