Mike Lewis Posted March 15, 2015 Share Posted March 15, 2015 A frustrating day.The speedometer MPH roll was working fine but now jumps around from 20 to 60 MPH.I took out the cable from the gearbox to the speedo, checked it turns fine then added a few drops of light oil at the gear box end, re fastened both ends, still the same issue.Any thoughts greatly appreciated.ThanksMike Link to comment Share on other sites More sharing options...
Bob Scafani Posted March 15, 2015 Share Posted March 15, 2015 bits of debris between the magnet on the drum usually a fleck of rust. Link to comment Share on other sites More sharing options...
Mike Lewis Posted March 18, 2015 Author Share Posted March 18, 2015 bits of debris between the magnet on the drum usually a fleck of rust.Thanks Bob, I'll have a look this weekend. Link to comment Share on other sites More sharing options...
Guest MORRISGAUGE Posted July 19, 2015 Share Posted July 19, 2015 Several issues could cause this problem, but in any case, having the speedometer serviced would be recommended. www.morrisgauge.com Link to comment Share on other sites More sharing options...
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