I was following various chats about ECM's. My 06 Ully ECM reads YO152 3A8 05335. Is this the correct ECM for the model and year?

Y0152.3A8 is the part number of the ECM. 05335 is the 'calibration' or maps to you and me. The maps differ between country and if it is a Race ECM (of which there wasn't one on this ECM firmware).

Is it the right one? The black box is the correct part number. The XB ones (DDFI2) changed in 2004 (to GB231 firmware to support the exhaust valve) then in 2005 to this part number you quote then in 2008 which was to support the new engine design (DDFI3).

What is the nature of your concern?

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08 Specialized Langster

Just curious, no problems at present but at least I now know what to look for if a problem occurs in the future. Any point in removing the white wire? I have a full Micron system with two tiny baffles fitted to reduce the noise level but I have not tried it on the street as yet. K+N air filter and breather mod done.
My mechanic has the Ecm spyware for the bike and did a full TPS reset last year. I will get him to do it again in the Spring when Stumpy comes out to play again.