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Old 03-22-2014, 10:58 AM   #1
Join Date: Oct 2013
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1990 zx10 speedometer not working

im almost done with fixing this bike to somewhat perfect condition lol
the speedometer suddenly stopped working last Friday,
the rpms still work but the milage isn't going up and I cant tell how fast im going
idk where the speed sensor is on a bike, does anyone have a clue of what It can be?
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Old 03-24-2014, 05:20 PM   #2
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92 vulcan vn 750
1981 cb 400

most old bikes use a simple speedocord. most run to the front brake. im not sure if your make does but seems like a decent place to start. youtube likely has a useful video ot two
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Old 03-24-2014, 05:32 PM   #3
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2009 Honda CBR 1000RR ABS
2011 EX250NinjaR
2001 Yamaha TTR-L (sold to Jimrad)
2015 KTM RC 390 CUP

Is there a speed sensor near the front sprocket?
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Old 03-24-2014, 05:38 PM   #4
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02 Honda Superhawk

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it's probably from back of speedometer down to front wheel. that's how my 00 zx7 is....simple fix. these cables get old and don't hold the lubrication well and eventually snap. Mine just got replaced a few weeks back. I'd check to make sure both are tight first though.
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Old 03-27-2014, 01:12 PM   #5
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Suzuki SV650 2nd gen

more than likely the threaded end that screws into the back of your speedometer has vibrated loose, or the previous owner racked up some serious miles and didnt re-connect it tight enough.

get your hand behind the fairing (or remove it entirely) and feel the back of the speedo, see if the cable is loose or completely dislodged from the connection and try to re-connect it.

you may want to get a service manual or parts fiche for your bike so you can see exactly what your dealing with before attempting to reconnect it it may be very beneficial to remove part of the front fairing to get at what you need, or may not be required at all.
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