2009 Speedometer is off by 10%
#22
03-17-2010, 03:03 AM
Join Date: Oct 2009
Location: Sandpoint Idaho
Posts: 840
But one thing that *really* bugged my about the bike was that the +10% speedo error. As I really got bored with doing the mental math constantly I started looking around for an in-line digital speedo adjuster. There are a few out there, but I couldn't bring myself to part with over $100 to fix the problem. But then I found a real winner by http://www.12oclocklabs.com/ - less expensive than the competition, in-line with stock connectors (install was a snap and the instructions were easy-peasy), and the performance is rock-solid. Nicely packaged (it's *tiny*), and has a neat top-speed replay feature too. I managed a true 120kmh with no wind, and 130kmh with a slight tail wind.
Note that I have no connection with the company ... just a very satisfied customer (one that's not impressed very often).
Cheers,
Pete
#24
03-17-2010, 01:26 PM
So I was thinking how much bigger would the tire need to be to correct for a 10% error.
Tire my bike came with is an 80/90 26.67" diameter, rolling circumference of 83.78" So to correct the speedo it would need about 93.09" rolling circumference which is diamter of 29.63" or so. which would be something like a 100/110 or 110/100, or 120/91
Which I doubt exist and the 120 would probably be too wide.
available tires
90/90 D27.38 Circ 86.32" Which would bring the speedo to 7.8% over
100/100 D28.87 Circ 89.7" Which would bring the speedo to 3.7% over
Tire my bike came with is an 80/90 26.67" diameter, rolling circumference of 83.78" So to correct the speedo it would need about 93.09" rolling circumference which is diamter of 29.63" or so. which would be something like a 100/110 or 110/100, or 120/91
Which I doubt exist and the 120 would probably be too wide.
available tires
90/90 D27.38 Circ 86.32" Which would bring the speedo to 7.8% over
100/100 D28.87 Circ 89.7" Which would bring the speedo to 3.7% over
Last edited by maninthesea; 03-17-2010 at 01:44 PM.
#25
03-17-2010, 05:43 PM
Join Date: May 2007
Location: Oklahoma City, OK
Posts: 1,102
I guess its easier to fix the speedo error on the new instrument cluster than it is on the old style. My fix was just to re-pluck the needle to correct it. It works, up to 55mph. Then it starts to read faster than actually. But that doesn't bother me too much. Since I drive the KLX slower than 55mph 98% of the time.
#26
03-17-2010, 06:51 PM
Join Date: Dec 2009
Location: Clearwater Bay, Ontario
Posts: 286
I just used a GPS to see how much my speedo was out and then just remember that number. With the relatively small amount of on-road riding I do I couldn't be bothered to try and correct it.
If a person was to start checking the speedo's on all cars, trucks, etc you'd find most are not accurate.
As someone said earlier, I think the companies that build vehicles design them to read slower than the actual speed.
If a person was to start checking the speedo's on all cars, trucks, etc you'd find most are not accurate.
As someone said earlier, I think the companies that build vehicles design them to read slower than the actual speed.
#27
03-17-2010, 07:58 PM
Join Date: Oct 2009
Location: Sandpoint Idaho
Posts: 840
Its the Odometer that bothered me most. For instance I was told to ride down this street for 10 miles then turn left.......... Odomoter would read 10 at the nine mile mark,I turned down the wrong road!
#29
03-17-2010, 09:53 PM
Join Date: May 2007
Location: Oklahoma City, OK
Posts: 1,102
As for the odometer on the KLX. That would be a bit aggervating to know, but at least maintence gets done a little more often.
Last edited by LearjetMinako; 03-17-2010 at 09:55 PM.
#30
03-17-2010, 10:31 PM
I guess its easier to fix the speedo error on the new instrument cluster than it is on the old style. My fix was just to re-pluck the needle to correct it. It works, up to 55mph. Then it starts to read faster than actually. But that doesn't bother me too much. Since I drive the KLX slower than 55mph 98% of the time.
No familiar with "replucking the needle" could you elaborate?