Purple haze here ,I have been hearing for first time problem's with injector's on 06 model's i'm not sure what the deal is, but they say early built 06's had to have injector's replaced, I have 103 scremin eagle fat boy bought new feb. 06 so bike had to be early model and I have heard to check your vin number to see if your bike is one that need's change, is my model one to check? I have good dyno number's and air fuel straight as arrow on 13% ,start's right up and have 1800 mile's never miss a beat, so i'm I just being worried for some info that I don't fall into? like I said first time I have heard this. Thank you for any info and help.

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There was a HD tech bulletin on the problem. What I remember reading was that there was a fuel problem with the 88’s. They fixed it by using injectors that are used on the 103’s, spray angle and number of orifices. There should be no problems with the SE bikes. Part of Bulletin as follows.
M-1185 1 of 2
SERVICE BULLETIN
M-1185 February 20, 2006
FUEL INJECTOR/CALIBRATION CHANGES FOR 2006 1450cc
BIG TWINS
®
Purpose
It has recently been determined that the 8° angle cone spray
fuel injectors used on 2006 1450cc Big Twins may cause cold
start and/or driveability problems on some motorcycles.
In the interest of promoting customer satisfaction, the 25°
angle cone spray fuel injectors used on CVO 103 cu. in.
(1690cc) motors will be installed on all production Big Twins
beginning on or around February 13, 2006.
Additionally, Harley-Davidson will provide for the installation
of 25° angle cone spray fuel injectors on those motorcycles
where use of the 8° fuel injectors (part number 27625-06) is
determined to be directly responsible for cold start and/or
driveability problems. See REQUIRED DEALER ACTION.
NOTE
Due to changes in the manufacturing process, the part number
of the 25° angle cone spray fuel injector is changing from
27709-06 to 27709-06A. This fuel injector also will be
stamped with the words “25 DEG” for easy identification. See
Figure 1.
Motorcycles Affected
Only 2006 1450cc Big Twin model motorcycles that exhibit
cold start and/or driveability problems directly related to use
of 8° angle cone spray fuel injectors (including those subsequently
equipped with P&A Screamin’ Eagle 1450cc or
1550cc Performance Kits).

 

They replaced mine when I had it stumble and died while I was trying to pull out onto Hwy 70. Right in front of a dump truck.

Along with the replaced injectors comes a download. The 25º injectors made it run much better.

 

Your bike is equipped with a 50 mm TB unit, and 25 deg. injectors already....