: Another tech question

Randy Grein randygrein at comcast.net
Sun Oct 28 19:34:12 PDT 2007


Maybe I understand now - so you checked speed at a given RPM, then  
changed gearing and it's now going 10 mph faster at that RPM? That  
would be perfectly normal, but the reading on the speedo itself  
should still be correct.
Randy Grein, WMRRA #41

On Oct 28, 2007, at 3:30 PM, Margie wrote:

>>>>> Margie wrote:
>>>>>> Changed the rear sprocket and now the speedo is 10mph too  
>>>>>> fast.  Is there any way to adjust?
>>>>> zoran wrote:
>>>> sprocket size has nothing to do with speedo reading on sv.
>>>
>>> Zoran is, of course, correct. My streetbike's speedo error is due  
>>> to a change in the speedo-drive at the front wheel (long story),  
>>> and not due to sprocket changes.  I need more coffee before  
>>> replying to emails on weekends, obviously. Margie: how did you  
>>> determine you were showing 10mph too high? And this changed at  
>>> the time you swapped sprockets? Did you make any other changes at  
>>> the same time?  -W
>>>
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>> I checked it using a Garmin GPS  660
>



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