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OK, this might be a strange question but I bought an oh8 road king and I just noticed that it’s got the 18 mm O2 sensor which my understanding is the wide band I thought that they all came with the 12 mm narrow band sensors. The ECM looks to be a stock ECM. The only thing that I know was done to the bike is it was put to a 103 stage two at a Harley dealership it has the sticker on the neck of the bike saying that he’s a stage two. Is there a chance that it’s been upgraded to a wide band ECM it’s not a thunder max. It looks like a stock ecm
thanks in advance for any help
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O2 sensor
