Gas gauge question - Kawasaki KLR 650 Forum
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post #1 of 26 Old 05-12-2019, 04:23 PM Thread Starter
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Gas gauge question

I've owned many bikes over the years and there's one item I really like having on my bikes and it's a gas gauge. Whether on the open road or hitting the trails
it's very cool to just look down and see how much fuel there is left. I can look down and see my speed at a glance or if I'm running hot or if I just turned a corner
and the signal is still on so why in the world there isn't a fuel gauge just blows me away. Anyhoo, to the question/s. If someone has come up with a way to
easily ascertain how much gas is in the tank while riding please share that info. I'll keep searching on here so thank you in advance if you provide some info.

I know there are people out there who say, "Just use the odo" and "Just stop and look in the tank". Please know that I've owned a couple bikes without gas gauges and I
did as the comments in the quotes suggested. I just think it's an item that should be included on bikes. I'd just like to see some of the awesome stuff that you guys
are building because I may just use the info for my bike. Thank you in advance.
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post #2 of 26 Old 05-12-2019, 06:03 PM
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You called it - use the odometer. The KLR is not the only dual sport without a fuel gage. After awhile you get a feel for it. I can usually guess within a couple of litres how much fuel my bike will take. I suspect the shape of the tank doesn’t lend it to having an accurate fuel gauge.

My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.

"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "

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post #3 of 26 Old 05-12-2019, 06:21 PM Thread Starter
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I've done if on other bikes for years and of course this one. I'm simply looking to see if anyone has modded something besides odo and stopping to open the cap.
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post #4 of 26 Old 05-12-2019, 06:37 PM
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Aftermarket translucent plastic fuel tank?

Heard tell of folks using Sharpies/magic markers, indicating gallonage by marking the tank as they filled it from the pump.
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post #5 of 26 Old 05-12-2019, 08:10 PM
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@Ranger Ron built a trip computer that had all sorts of functions, including a gas gauge. If I recall correctly, he calibrated a weight sensor at the petcock and read that in his trip computer.

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post #6 of 26 Old 05-12-2019, 08:51 PM
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Quote:
Originally Posted by twiin640 View Post
I've owned many bikes over the years and there's one item I really like having on my bikes and it's a gas gauge. Whether on the open road or hitting the trails
it's very cool to just look down and see how much fuel there is left. I can look down and see my speed at a glance or if I'm running hot or if I just turned a corner
and the signal is still on so why in the world there isn't a fuel gauge just blows me away. Anyhoo, to the question/s. If someone has come up with a way to
easily ascertain how much gas is in the tank while riding please share that info. I'll keep searching on here so thank you in advance if you provide some info.

I know there are people out there who say, "Just use the odo" and "Just stop and look in the tank". Please know that I've owned a couple bikes without gas gauges and I
did as the comments in the quotes suggested. I just think it's an item that should be included on bikes. I'd just like to see some of the awesome stuff that you guys
are building because I may just use the info for my bike. Thank you in advance.
twiin640 may not yet understand to click on a members high-lighted name to find more info, Tom.

But sad to say Ranger Rons fuel gauge pics have all been photo-Bombed by PhotoBucket.
https://www.klrforum.com/2008-klr650...gas-gauge.html

I was a very cool set up, But I'm certain that it took some getting used to. As was already stated it measure gravity fuel pressure, but the KLR tank is so oddly shaped that each Inch of fuel used is wildly different than the inch before or the inch after.

twiin640, always scroll to the Very Bottom of thread pages to look for "Similar Threads".
Somewhere I've seen 2 brass elbows soldered to a fuel tank and a piece of clear vinyl fuel hose connecting the upper & lower fittings. Trip meter is still simpler, imo.

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post #7 of 26 Old 05-13-2019, 07:35 AM
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Quote:
Originally Posted by klr4evr View Post
You called it - use the odometer. The KLR is not the only dual sport without a fuel gage. After awhile you get a feel for it. I can usually guess within a couple of litres how much fuel my bike will take. I suspect the shape of the tank doesn’t lend it to having an accurate fuel gauge.
The fuel tank on my BMW is far more oddly shaped than my KLR. I am pretty sure that BMW designed the rest of the bike and then used their CAD system to say “fill in the empty space with a fuel tank.” It is a plastic tank, likely blow molded from the looks of it and is shaped as oddly as anything I have ever seen. Yet BMW has a fuel gage that is as accurate as any I have had in any vehicle I have ever owned. I ran it out of fuel a couple years ago and it ran out just as the last segment on the digital fuel gauge went out. I suspect BMW has a pretty interesting calibration curve for the fuel sensor.
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post #8 of 26 Old 05-13-2019, 09:07 AM
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I own a Garmin Zumo 895, and it has a "fuel gauge" function. You enter the mileage you want to be promoted to find gas. It asks when you stop if you just filled up, so it can reset the ticker. Honestly, what this has done is remind me to hit the trip odo. It's a nice, but expensive back-up hardware for a fuel gauge. It will find the twistys very well!!

It also has tire pressure sensors, which I dig.
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post #9 of 26 Old 05-13-2019, 09:55 AM
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I have zero desire for a gauge but even less now that I can see my fuel level from 20' away;



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post #10 of 26 Old 05-13-2019, 10:25 AM
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Quote:
Originally Posted by Voyager View Post
The fuel tank on my BMW is far more oddly shaped than my KLR. I am pretty sure that BMW designed the rest of the bike and then used their CAD system to say “fill in the empty space with a fuel tank.” It is a plastic tank, likely blow molded from the looks of it and is shaped as oddly as anything I have ever seen. Yet BMW has a fuel gage that is as accurate as any I have had in any vehicle I have ever owned. I ran it out of fuel a couple years ago and it ran out just as the last segment on the digital fuel gauge went out. I suspect BMW has a pretty interesting calibration curve for the fuel sensor.
It’s no secret that Team Kawasaki hasn’t put a lot of R & D effort into the KLR. The time to add a gauge would have been in 2008 model but I’m sure even back then Kawasaki saw the writing on the wall for eventually discontinuing the model. I’d be willing to bet that the cost of your BMW is at twice that of a KLR. I’ve only ran my KLR out of fuel once when I neglected to factor in the head wind I was fighting. A quick lay down on the left side got the fuel out of the right wing and I was able to get to a gas station.

My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.

"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "

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