Converting from KPH to MPH speedo - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 06-22-2019, 07:41 AM Thread Starter
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Converting from KPH to MPH speedo

Hi Everyone. I have a quick question and i'm not sure which category it should be placed. I'm just finishing a rebuild of a 1995 750 that was imported from Spain into the UK, its in great condition for the year because of the lack of rain and salt. My question is... Its a Kilometers per hour speedo and I want to switch to Miles per hour. I can get a little mechanical converter that changes the speedo cable ratio but the clocks usabe display is condensed down to a third of its display. If I switch to a miles per hour front wheel pickup for the speedo and switch the speedo to an imperial version I assume i'm sorted. I guess the confirmation I'm after is that there's no difference in the actual wheel just the pickup and speedometer. Thanks.
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post #2 of 6 (permalink) Old 06-22-2019, 09:01 AM
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Hello


I have a cheap Chinese scooter for short trips in town. Speedo is in kilometers. I've found that multiplying the first digit of the speed by 6 gives a "guestimate" of MPH.


Maybe that will help until you do the mechanical stuff.


Cheers!

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post #3 of 6 (permalink) Old 06-22-2019, 09:03 AM
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Mine has both markings although he KPH is a not very obvious blue and smaller typeface.

I would bet they just change the faces, not the gearing or internals.

If you use a GPS then you will get a more accurate speed than the sppedo.

'99 Vulcan "Victoria"
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post #4 of 6 (permalink) Old 06-22-2019, 09:58 AM
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My guess is, no difference in the wheel. Would be a huge expense for the manufacturer to make a different wheel for KPH.

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post #5 of 6 (permalink) Old 06-22-2019, 12:28 PM
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Honestly I have found that there are only a few "speeds" you need to know when riding.(depending where you live and if your intent is just to avoid a ticket.)
I put a tiny dot of red floresant paint at 60 mph on the edge of the bezel and a yellow one at 45, the two most popular speed limits here. Thus I just can see at a quick glance how fast I am going.
There are simple kpm to mph calculators online. Just pick the speeds you need to know and mark them.
The only other option is to find a user working speedometer that has mph on it.

I really don't pay much attention to the thing anyway...

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post #6 of 6 (permalink) Old 06-22-2019, 12:50 PM
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Even if converted, without the oversize front tire, it's still off. Isn't it? Consensus is, yes, with stock size the indicated speed reads 5 mph faster than actual speed, so you'll always be slower this way.

Never rode with a stock size front, so didn't check. But i know with oversize it's within 1mph with the oversize, checked six ways.

2003-21k mi
Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
__________________________________________________ ____________
Repair Manual: http://www.mediafire.com/file/mj7z81..._Catalogue.pdf

Owner's Manual: http://www.mediafire.com/file/nscb5f...ers+Manual.pdf
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