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Old 24th May 2020, 11:09
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NeilF355 NeilF355 is offline
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Check that the wiring to the speed sensor is intact.

I had a problem with one of those Hall Effect sensors - the wire was touching the exhaust which had melted the insulation.
The speedo needle would not move until I reached about 40 - 50mph at which point it would jump up to the correct speed, then drop to zero if I slowed to below 40.
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