hinkley's probably right, but if you have some contact cleaner, it wouldn't hurt to pull the connector and shoot some in there. I had a similar issue, and it turned out to be water that had migrated into the connector when I washed the bike...
The magnet in the pickup eventually deteroriates. They seem to last about five years. I went through several of them over the years. Working on connectors and cleaning out and lubing the pickup magnet will only delay the inevitable. The bad thing is that they are not cheap, and if you get a used one, chances are it will go bad pretty quickly.
Is it reading out more or less than the actual speed?
If more or nothing there's a great probability the wiring is shot. Luckily mine was still under warranty when that happened. My dealer replaced the main wiring loom running from EMU to dash. Only downside was my dealer provided me with a S3 to get around while my S4 was in the shop........
My relationship with the S4 didn't last very long. Major plus on that is I got a S3 now!!
Take off the front wheel, give the pickup magnet a good cleaning and some light grease, and carefully reassemble it. The two sheet metal prongs have to line up with the slots in the magnet. You might need to "adjust" the prongs a little to make sure they engage.
LOL talk about karma, got on the bike today, rode into work, and the ***** speedo is losing its little mind.
I looked down, and my normal 70 mph cruise on backroads was reading 35, and when merging or getting onto the freeway, it was jumping back and forth between 45-60. I never did see it get above 60, even when I knew was almost doing triple digits.
Ack...only 17.5k on the clock and a 4 year old bike!
Ill try cleaning it, otherwise....yay for shelling out too much money for a tiny ass part!
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