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Speedo fluctuating wildly
Posted: Thu May 07, 2015 3:24 am
by Scottish
Not sure why this has started to happen but especially above 30 mph the speedo fluctuates anywhere between 5 and 20mph it basically flails about wildly...what could be causing it?
Re: Speedo fluctuating wildly
Posted: Thu May 07, 2015 3:52 am
by gn2
One of two things, knackered sensor or knackered speedo.
Try cleaning the sensor first and check the wiring, if that doesn't work change the sensor, if that doesn't work its either a new speedo or learn to live with it.
Re: Speedo fluctuating wildly
Posted: Thu May 07, 2015 4:30 am
by Scottish
where do I find the sensor?
Re: Speedo fluctuating wildly
Posted: Thu May 07, 2015 4:45 am
by gn2
I believe its buried behind the rear wheel.
Re: Speedo fluctuating wildly
Posted: Sat May 09, 2015 12:06 am
by maddiedog
Sensor replacement is part of this:
http://hondapcx.org/viewtopic.php?f=3&t=4373
Ignore all the gear stuff. It's a cover you'll likely have to remove the rear wheel to get at, two allen wrenches, and a standard hex head for the sensor itself.
Re: Speedo fluctuating wildly
Posted: Sun May 10, 2015 1:46 pm
by Scottish
Many thanks, looks way beyond my capabilities though.