I got a 2010 iron whit v&h ss heavy breather se and PVC , this mornin like usual I warmed up bike for a couple of minutes took off and suddenly the speedometer stop working and when I came to a complete stop it was sputtering and sounded like it whant it to stall, no chk engine light no oil pressure light , turned it off and turned back on normal speedometer working . I just don't understand why it just happen and then suddenly all normal , chk for loose grounds and wires but nothing , does sportsters have a cam shaft sensor that's what I leaning to, any body got any suggestions

 

https://www.hdforums.com/forum/sport...need-held.html

One thread is apparently not enough for you?