Triumph Forum: Triumph Rat Motorcycle Forums - View Single Post - Anybody have a "bouncy" Speedo?
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post #2 of (permalink) Old 10-25-2011, 01:49 PM
Grand Prix 500
Senior Member
Join Date: Mar 2008
Location: London, UK
Posts: 143
I had a very strange problem with my speedo whereby it would return to zero when I pulled the clutch in, or if I went over 60mph or so. My dealer took the bike in and had it for three weeks, and claimed it was a faulty sidestand cutout switch (!).

Itís hard to see how this might cause a problem with the speedo, but mineís been fine ever since Perhaps itís worth you spraying a bit of WD40 on the switch, and seeing if that helps.
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