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17-11-10, 07:17 PM
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#1 |
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Guest
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Speedo reads double.
hi have just replaced my speedo drive unit and now it reads twice the speed im actually doing i was following a car at 39mph mine was saying 80mph any ideas how this is happening or a fix for this please
cheers |
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17-11-10, 07:28 PM
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#2 |
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Member
Mega Poster
Join Date: Apr 2010
Location: Newcastle upon Tyne, Just south of salad dodging country
Posts: 7,750
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Re: speedo reading
is it a pointy or curvy?
I would check the connections are in properly and ok after that I have to say get it checked or use a speedo healer
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RIP Reeder 20/07/1988 - 21/03/2012. Always missed squire!!! Every year we meet old friends, gain some new ones, lose old ones and you always remember them all. “Live as if you were to die tomorrow. Learn as if you were to live forever.” Mahatma Gandhi |
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17-11-10, 07:29 PM
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#3 |
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Guest
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Re: speedo reading
its a curvy y reg
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17-11-10, 07:32 PM
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#4 |
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Guest
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Re: speedo reading
That means a curvy can do 200mph - Anyone wanna but a pointy!
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17-11-10, 07:37 PM
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#5 |
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Member
Mega Poster
Join Date: Apr 2010
Location: Newcastle upon Tyne, Just south of salad dodging country
Posts: 7,750
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Re: speedo reading
Check the connections first
You completely remove the old drive? sounds like a daft question but a double the speed (actual vs indicated) reading would indicate that the sensor is getting double the amount of pulses it should be
__________________
RIP Reeder 20/07/1988 - 21/03/2012. Always missed squire!!! Every year we meet old friends, gain some new ones, lose old ones and you always remember them all. “Live as if you were to die tomorrow. Learn as if you were to live forever.” Mahatma Gandhi |
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17-11-10, 11:00 PM
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#6 |
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Guest
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Re: speedo reading
I thought this was something to do with the magnets, vaguely remembering other threads on identical issue.
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17-11-10, 11:19 PM
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#7 |
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Noisy Git
Mega Poster
Join Date: Apr 2007
Location: Halifax/Leeds
Posts: 26,645
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Re: speedo reading
You used wrong rotor... change it for one from an >04 bike... K5> has 8 pulses per rev instead of 4.
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Currently Ex Biker
Now rebuilding a 63' fishing trawler as a dive boat |
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18-11-10, 07:13 AM
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#8 |
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Guest
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Re: speedo reading
oh right cheers well would it work if i used the matching pick up as i have it ???
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18-11-10, 02:36 PM
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#9 |
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Member
Mega Poster
Join Date: Jul 2003
Location: W Mids
Posts: 2,037
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Re: Speedo reads double.
No.
Druid
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'00 SV700S - '94 RVF400R - '97 RVF400R - '88 VFR750F |
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18-11-10, 03:34 PM
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#10 |
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Guest
Posts: n/a
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Re: Speedo reads double.
What you should defo do, is strap a camera to your bike where the speed is shown in shot, ride on a road with 40mph limit doing an indicated 80mph then post the vid on you tube. Could be amusing.
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