Useless electronic features on Wee - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 94 Old 06-28-2012, 08:11 AM Thread Starter
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Useless electronic features on Wee

Ok, I have read about the speedometer, plus verified that it is incorrect by about 10 km, so I have checked to see where other inaccuracies lay. The thermometer is constantly off, mostly by 2 degrees either plus or minus. I know this because I have actually measured the temperature and compared it to the Wee reading. Next, here in Kingston, we have several locations with the temperature displayed on billboards. They too are off by 2 degrees either way.
Next, and this is the big one, FUEL ECONOMY! We ALL take for granted that if the wee says we are getting 56 mpg, then by golly, that is what it is. Well, I used the trip meter and reset it to '0' right after filling up. Three days later, my fuel gauge was blinking, so I drove to the next stop and filled it up, the total trip was 321 km. I then looked at that setting as to what fuel mileage I got for that trip (combination city/highway), and the computer said it was 5.2L/100KM. It took me 15.94 L to fill it to the same spot, right under the lip, that I always do. Now I used those figure and calculated the ACTUAL fuel economy that I got, and it was 4.965 L/100KM, and NOT 5.2 L/100KM as what the Wee had indicated.

Me being a technology freak, find these inaccuracies UNACCEPTABLE! I usually only keep bikes for a couple years and then buy new. I thought that the Wee was a keeper, not any more! If the technology on the wee is not reliable, then how reliable is the actual product???

Please check all this out for yourselves, and post the results. I am interested to know if ALL wee's are this inaccurate, or if it is just mine. Using the trip meter, it is easy to calculate the fuel economy.

I can make calculated guesses as to what temperatures are, and what my fuel mileage is as well. We rely on electronics to give us ACCURATE results and NOT guesses.

Last edited by abb1; 06-28-2012 at 08:16 AM.
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post #2 of 94 Old 06-28-2012, 08:21 AM
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Ok the thermometer isnt always correct because you are dealing with engine heat as well. In the owners manual it says you have to be moving for a more accurate reading.

The speedometer is rediculously off for my liking as well. My last bike was dead on accurate. I know this from the two tickets I received. There is no reason for it to be 4-5mph off this day in age.

I contribute the fuel economy meter to be off due to the innaccuracies of the Speedo. For some reason you are getting worse fuel milage than what your meter says. If I calculate it by distance traveled divided by fuel put in the tank, I am usually 4-5mpg higher than the meter.

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post #3 of 94 Old 06-28-2012, 08:31 AM
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Those numbers sound typical. Real good luck finding a bike that's more accurate. Your expectations are beyond the availability in the marketplace.

The fuel economy numbers really only have value as comparative figures to let you know if conditions are having a marked effect on your usual fuel economy. The vast majority of bikes don't even have a fuel economy readout. The technology just isn't accurate enough and there are too many variables to do much better. Probably the biggest is the variability in the amount of fuel put in the tank. People fill it to differing levels. Because people like to get better actual economy than they think they were getting and would really be upset if they ran out of fuel, the instrumentation is set up such that the estimate is on the low side of the range.

The law prohibits a speedometer from displaying lower than actual speeds and most countries allow them to be up to 10% optimistic. The law must be complied with no matter what aftermarket tire is fitted so companies err on the high side. The speedo readout can be adjusted by a Speedo healer or SpeedoDRD device.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #4 of 94 Old 06-28-2012, 08:49 AM
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Quote:
Originally Posted by abb1 View Post
Me being a technology freak, find these inaccuracies UNACCEPTABLE!

Freak - someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie"

Acknowledging the problem is the first step to recovery.

Here's something to intrude on your nocturnal respite:

Maybe the gas station ripping you off.

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post #5 of 94 Old 06-28-2012, 08:50 AM
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I've also noticed that the speedometer isn't accurate at all speeds. Below 50 MPH, it seems spot on (though I've yet to go past a speed detection sign), but at higher speeds (like on the interstate, it seems people are passing me in the slow lane even when my speed shows 9 MPH over the posted speed. And i know from normal driving on that highway, that it isn't normal to be passed in the slow lane.

But as GW notes, it's better (and more legal) for the speed to be showing high, than showing low. I may need to look into those adjuster tools though, my fear is it may not help...because again, the speed deviation doesn't appear to be linear. If the bike's computer is always feeding a 10% offset into the speedometer...not sure how that could be fixed.

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post #6 of 94 Old 06-28-2012, 08:57 AM
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I know there are a few guys around who remember when you didn't get any gauges with your bike except a wheel driven speedo with cable that squeaked. If you wanted to know how much gas you had, you took the cap off and looked.

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post #7 of 94 Old 06-28-2012, 08:59 AM
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The speedo error is linear, about 8% in most cases. It being smaller at lower speeds makes it harder to notice. My thermometer seems to be a uniform 5 degrees happy at speed, the same as the 5 function meter I bought for my old bike.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #8 of 94 Old 06-28-2012, 09:22 AM
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Quote:
Originally Posted by tmcgee View Post
I know there are a few guys around who remember when you didn't get any gauges with your bike except a wheel driven speedo with cable that squeaked. If you wanted to know how much gas you had, you took the cap off and looked.
You don't need a very long memory, just head to your nearest Harley Davidson dealer.

I wonder how accurate the guages on the Multistrada are?
There's a lot more technogizmology on that bike.

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post #9 of 94 Old 06-28-2012, 09:24 AM
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Sorta off-topic, but does relate to fuel economy and how it is measured: when filling up at a gas station, is the fuel delivery hose full of gas all the way to the "gun" trigger point?? If so, then the "trigger" is the stop point (i.e. valve) of the gas delivery (and the hose would be full). Now, what if I paid cash prior to pumping the gas and the PUMP shut off at the paid amount......is the shut-off point (valve) now located at the pump and not at the trigger (i.e. the hose is empty all the way back up to the pump)?? Would length of gas pump hose have any relevance when filling up at two different stations?? I don't know the answers...... just asking some of you more smarter folks out there??? Does air temp play a role in the measurement of gas at stations?? And like Norman said, I doubt the pump readings are "dead-on"........especially between two different pumps.

Maybe the best way to measure gas milage is to run the tank empty (until the engine quits running), pour in a MEASURED (using a beaker/graduated container......not a gas pump meter) amount of gas (preferably 4-5 gallons, not 1 gallon), and then run it "dry" again to record miles per gallon. As Greywolf has mentioned in numerous threads before (and is "engrained" in my feeble little grey/gray matter), you risk damaging (overheating) the fuel pump by running the tank dry.

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Last edited by mark444; 06-28-2012 at 09:26 AM.
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post #10 of 94 Old 06-28-2012, 09:45 AM
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It would be nice to be able to "calibrate" the stuff through the dash. Like a bicycle computer. You had to be on the bike, then measure the circumference of the wheel where the pickup was to get a calibrated MPH readings.

The ambient temp on mine is around 5 degrees high too.

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