tcr
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| posted on 8/6/08 at 11:51 PM |
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digital speedo thread
can anyone tell me where to find the thread that tells me how to program my digital speedo ie:tyre circumferance divided by diff ratio +innerleg
lenght
help 
MK MIDI ZX10R
http://www.facebook.com/media/set/?set=a.4393256076054.2182513.1427988207&type=1&l=64c91c3c17
why isnt anything simple!!!
torquetune.co.uk
nrpexhausts.co.uk
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loggyboy
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| posted on 9/6/08 at 05:50 AM |
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what make is it?
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DaveFJ
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| posted on 9/6/08 at 08:03 AM |
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I used one of those calculators and the end result was so far off it was pointless. Mine was reading 25mph @ 60!!
the only way to be sure is to drive it. IMHO it is pointless doing all the calcs and adhjusting it beforehand. I got the wife to drive along in front
and flash the indicators @ exactly 60 (as per the built in satnav). did a few adjustments on route to SVA and by the time I got there I was reading a
nice 1mph below across the range 
Dave
"In Support of Help the Heroes" - Always
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02GF74
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| posted on 9/6/08 at 08:51 AM |
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quote:
Originally posted by DaveFJ
I used one of those calculators and the end result was so far off it was pointless. Mine was reading 25mph @ 60!!
the only way to be sure is to drive it. IMHO it is pointless doing all the calcs and adhjusting it beforehand. I got the wife to drive along in front
and flash the indicators @ exactly 60 (as per the built in satnav). did a few adjustments on route to SVA and by the time I got there I was reading
a nice 1mph below across the range
that's a fail as the speedo must no under read; over is fine.
I did the sums for my bike speedo and got it about 1 % over whcih was spot on perfect for SVA.
For my gearbox driven speedo, bearing in mind I did not know hte drive ratio, it was within 15 % - using the bike speedo as reference and driving has
fixed that one.
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DaveFJ
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| posted on 9/6/08 at 08:55 AM |
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oops - of course I meant Above... sorry
Dave
"In Support of Help the Heroes" - Always
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02GF74
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| posted on 9/6/08 at 12:39 PM |
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see here
basically you need to go through the same steps.
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