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"K13S/R" Technical Q&A K1200S/R Technical Questions/Answers

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  #1  
Old 08-16-2013, 01:29 AM
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Mrmerlin Mrmerlin is offline
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K1300 S fuel gauge reads high

I was riding my 2011 K1300 and have noticed that the fuel range to empty has increased by some 120 miles.

NOTE usually after a fill up it gives a Range To Empty of about 205mi.while cruising in 6th gear.

Now with miles traveled at say 75 it still shows a RTE of 165 or so.
So does this mean the sender has failed?
Can the sender be replaced without removing the tank and or fuel pump?
What could have caused this?
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  #2  
Old 08-16-2013, 01:37 AM
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Re: K1300 S fuel gauge reads high

Quote:
Originally Posted by Mrmerlin
I was riding my 2011 K1300 and have noticed that the fuel range to empty has increased by some 120 miles.

NOTE usually after a fill up it gives a Range To Empty of about 205mi.while cruising in 6th gear.

Now with miles traveled at say 75 it still shows a RTE of 165 or so.
So does this mean the sender has failed?
Can the sender be replaced without removing the tank and or fuel pump?
What could have caused this?
Stan:
It may not mean the sender is bad. The computer on occassion will do what yours is doing on my bike on occassion it will do the reverse - it will indicate that I only have 30 miles left when in fact I still have about 80. I think it has to do and I'm guessing on this - what mileage you were getting just before you shut the bike off. For instance if you were really cranking on the bike and the mileage was averaging say 30 miles per gallon - the computer is calculating that and for some reason next time you fill up your new range is 150 miles instead of 200 miles. And again the reverse of that is if you rolled into a gas station off the highway and you were riding easy in 6th gear getting say almost 50 mpg the computer after fill up calculated from that average.

And then of course I could be completely wrong - you have a problem with the computer for calculating the mielage - might need dealer to recalibrate it for you.
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  #3  
Old 08-16-2013, 01:42 AM
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Re: K1300 S fuel gauge reads high

Bruce thanks for the info,
The warning light still comes on at about 50 miles to go,
thats based off of a 200 miles per tank average
so at 150 to 160 on the trip odometer the yellow lights coming on,
I was wondering if any others have issues with this, otherwise the bike is running great I just swapped on some Metzler M5 tires,
they are smooth and seem to stick pretty well
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  #4  
Old 08-16-2013, 01:47 AM
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Re: K1300 S fuel gauge reads high

Quote:
Originally Posted by Mrmerlin
Bruce thanks for the info,
The warning light still comes on at about 50 miles to go,
thats based off of a 200 miles per tank average
so at 150 to 160 on the trip odometer the yellow lights coming on,
I was wondering if any others have issues with this, otherwise the bike is running great I just swapped on some Metzler M5 tires,
they are smooth and seem to stick pretty well
Stan:
When the light comes on showing 50 miles to go is that accurate? If it is don't worry about what it indicated earlier. I never pay attention to the computer either way. I just use 35 mpg for my avg and use my trip meter. When I get around 125 - 150 miles on it I start looking for gas.

My bike mostly starts around 190 miles - stays there for about 60 -70 miles then starts to work.
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  #5  
Old 08-16-2013, 01:52 AM
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Re: K1300 S fuel gauge reads high

It has to do with your AVERAGE fuel consumption man. As you get closer to emtpy, it gets more accurate. If you want the most accurate calculations, always reset the tripmeter A when filling up. If you want to keep track of a trip's mileage, use the tripmeter B for that, and reset the tripmeter A every time you refuel. As you very well know, range greatly depends on how you ride the bike during that tank. You need to learn how to calculate mileage based on how you're going to ride the bike. When I take highways where I can go fast, it consumes a lot more gas. When I have to travel pretty much the speed limit, range goes up dramatically. Since I did the 'neck' modification, I typically have at least 230 miles of range, so I don't have to worry much about making it to my next stop. And many times 250. Never imagined having this great fuel mileage on this bike; it's quite a bit better than my ex-K1200RS. Just learn how to judge it .
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  #6  
Old 08-16-2013, 01:57 AM
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Re: K1300 S fuel gauge reads high

my 2013 behaves in a similar fashion. I like to fill up when I have used about 2/3 of a tank so I never have to worry about it.

I hate riding around nursing a motorcycle riding on fumes.

One thing I have noticed is that when I ride above 90mph she really guzzles fuel
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Old 08-16-2013, 02:14 AM
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Re: K1300 S fuel gauge reads high

I do reset the trip meter every fillup thats how I know how far I have to go,
these last two tanks of fuel have been at moderate throttle.

I also did a tank quantity mod by drilling two holes into the collar this get me about 1 more liter or so.

The gauge had seemed to be working fine and now its showing a lot more fuel in the tank than when compared to how far i have traveled for example with about 85 miles traveled the qty left range is showing 165 miles till empty there isnt any way this is correct as previously it was showing after a fill up RTE was 205mi. with the bike running at 60 mph and 6th gear selected
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  #8  
Old 08-16-2013, 06:21 AM
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Re: K1300 S fuel gauge reads high

Bruce is on the mark.

On a recent trip at highway speeds I got down ton4 klm to empty and was panicking, but when I filled up it only took 17ltrs

It is very annoying, specially with the 2 D dash which doesn't give you a running distance to empty reading.
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  #9  
Old 08-16-2013, 03:26 PM
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Re: K1300 S fuel gauge reads high

The 'neck mod' throws the range off since the bike has more fuel than OEM. Folks, you'll NEVER have a perfectly accurate trip computer, especially with asymmetric tanks. And also every tank sees different riding conditions. Even when the tripmeter is reset, the computer relies on previous average fuel consumption to estimate range, until enough is accumulated on the present one. Therefore, you should expect fairly accurate range from half a tank. And very accurate one once in reserve.

Bottom line is this: You should have a very good idea what kind of mileage you get after a few trips. And most importantly, stop this crap and just fuel up at every stop . I always do that. And yes, I've seen 250 miles in a tank with miles to spare, but I only push it a little when I have old gas in the tank... but I know my bike, and never have to get into fuel conservation mode due to misjudging range . With this much range on the K13S, fueling has never been an issue with me, even in the remote places I usually travel. With the KRS, it was a challenge since I couldn't make it back from a stretch of mountain road I really like. With the K13S, I can go all the way there and back with range to spare . Good luck.
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Old 08-16-2013, 04:56 PM
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Re: K1300 S fuel gauge reads high

On my recent 6,000 mile trip to Salem, OR and back I noticed significantly higher fuel mileage at altitudes above 3,000 feet or so (48-52 mpg) than below that and near sea level (42-46 mpg), while traveling at the same 70-75 mph. The only time fuel mileage dropped below 40 mpg was when I was heading directly into a fairly strong headwind while riding down the Columbia River with panniers and a camping duffel bag across the pillion, when I got 37-38 mpg.

Also, my bike has been pretty consistent that when the Range gets down to zero (---), I can put in only 4.5 gallons with the bike on the sidestand (no holes in filler neck).
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Old 08-16-2013, 07:51 PM
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Re: K1300 S fuel gauge reads high

Quote:
Originally Posted by BeemerMikeTX
I noticed significantly higher fuel mileage at altitudes above 3,000 feet
Good observation. Yes, power decreases the higher the altitude, but the upside is fuel mileage increases. I live at 4K', and go up to 8.6K' when traveling, hence my great range . And bike still goes like stink, so no need for any more power.
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Old 08-16-2013, 09:51 PM
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Re: K1300 S fuel gauge reads high

Quote:
Originally Posted by elp_jc
Good observation. Yes, power decreases the higher the altitude, but the upside is fuel mileage increases. I live at 4K', and go up to 8.6K' when traveling, hence my great range . And bike still goes like stink, so no need for any more power.

It just didn't seem like the lower air density (and resistance) would account for this much difference, but maybe it does. The K1300S probably pretty accurately compensates for the lower air density in maintaining the desired AFR, better than my R1100RS, and certainly better than my K75S (which has a rocker switch to engage the "high altitude" program in the FI), so the K1300S engine does not run rich at altitude and needs to put out less power to move the bike at a given speed (and therefore uses less fuel).
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