900 Speedometer fix? - Kawasaki Vulcan Forum : Vulcan Forums
 
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Old 01-20-2013, 01:07 AM Thread Starter
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900 Speedometer fix?

Tried to do a search, with no success (unless it buried inside another thread), but was looking to see if there is a fix for the 900 speedometer? Like a change in resistor like the fuel gauge fix. I can always just add in the extra miles. With my current set up my speedo reads 65mph (actual speed 70mph).

Thought if it's easy, would tackle a new project.

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Old 01-20-2013, 06:46 AM
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Hmmm, that's opposite of my speedo (reads 70, actual 65)...
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Old 01-20-2013, 10:08 AM
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Not surprizing. I seem to recall from previous posts that bosco has both the front and rear overdrive pulleys installed. I have the front pulley installed and the speedo is bang on. Bosco, I thknk the only fix is to install a speedo turner kit - there are a number of them available. Here is one https://www.vulcanforums.com/forums/s...ad.php?t=11839

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Old 01-20-2013, 10:22 AM
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Try this website. The Speedohealer is a popular item for motorcyclists to make your speedometer accurate.

http://www.healtech-electronics.com/

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Old 01-20-2013, 12:12 PM
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Front & rear pully change and or a 200 rear tire. These seem to be the most common fixes. A combination of all 3 may be overkill though, not too sure. These are mainly done to bring the cruising rpm range into a little more comfortable range but it also corrects the speedo error.

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Old 01-20-2013, 10:39 PM Thread Starter
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Guys, Thanks... This is what I was looking for. I do have both pulleys and it swung the speedo the other way (65 shown, 70 actual). I will be looking into the speedo tuning. Appreciate all the info.

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Old 01-21-2013, 05:43 AM
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900 Speedometer fix?

Curious. Where does the speedo read from on the 900s? On the 800s its at the wheel, rear on customs and classics, front on drifters I believe. Is it from the trans?


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Old 01-21-2013, 04:00 PM
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Speed sensor is on the crankcase (left side). It measures crank speed, sends a signal to the ECU which generates an OEM calibrated signal for the speedo that includes correction for OEM gear and pullys and OEM tires. That's why front and rear pulley changes or tire size changes create a descrepency between indicated and actual speed.

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Old 01-21-2013, 06:07 PM
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Thanks. That makes sence then.
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