NORTHMAN62

Hi Its the electrical driven sensor.

Hi all I'm a newbie to this site and will appreciate any help anyone can give. Right, here's my problem, a while back my speedo went to zero whilst riding, a few kilometres later it came back to normal, it happened twice, same thing. Last week it packed in totally, I am not a techno wizard or an ace mechanic but will have a go. Is there any way or test to find out if the speed sensor is working before I buy a new one? I've checked all fuses, no nipped wires and the toothed cog seems in good order eg no visible signs of being loose. Bike in question is a 99 xvs dragstar 1100 Thanks in advance.