Fuel reserve ????? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 8 Old 09-13-2008, 01:31 PM Thread Starter
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Location: Souderton, Pa
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Fuel reserve ?????

I have an 07 with about 2300 miles one er. Never really ran the fuel down until today. She started to sputter so I reached down to flip er to reserve. OOOOOps she was on reserve. Well I did some tank shakein and was able to get about a mile to the gas station and filled er up. She only took 4.9 gallons. What's up with that? I thought these things had 6.1 gallon tanks. I know I probably can't use all the fuel but over a gallon in the tank doesn't sound right. What are you guys findin with your reserve? How much fuel is left in your tank when you reserve is out also?

I was tryin to see how far she would go before hitting the reserve. Unfortunatly it was on reserve when I ran out of fuel?

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post #2 of 8 Old 09-13-2008, 01:38 PM
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Unfortunately the KLR tanks have an slight problem with fuel flow once you are down to reserve. An amount of fuel gets 'caught' on the right hand side and is not able to get over to the fuel petcock in normal fashion. What one has to do sometimes is lean the bike way over to the left side to allow the fuel to come over to the petcock. Another issue is that the lower the fuel amount the lower the force of flow of fuel down into the fuel line. Internal vacuum inside the tank can occure, yes even with the vents. One way to cure this issue is to remove the fuel cap vent, thus giving positive pressure to the inside of the tank. Also doing the petcock mod can help remedy some of your problems. If you do a search on my ID, you should be able to see my Fuel Vent mod with pics posted. If not pm me.

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post #3 of 8 Old 09-13-2008, 04:16 PM Thread Starter
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hanks for gettin back to me on this thing. Ok sounds like a "normal" kinda thing. I messed up with what I was tryin to do anyway. I wanted to run it down to the reserve and see how much I had left. Like I said I was very lucky to be where I was and able to get some fuel quick. Never gave the tilting the bike over a thought although I did shake it a bit while rideing. When I did it did give more fuel. I did a little search and found the thing about takeing the seal off the take but don't want to do that since I do ride it on dirt roads and fire trails. It is possible I may drop it. LOl I"ll check for the petcock mod and see what that is.

thanks again for the help I may take ya up on the pm

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89 xt350 wish I still had her
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post #4 of 8 Old 09-13-2008, 11:12 PM
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Been there done that. We all live and learn. I for one am glad It can't get all the fuel out unless you tip it. It saves us idiots who forget to put it back to the on position from having to hoof it. Kawasaki has thought of every thing. What a awesome bike!!
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post #5 of 8 Old 09-13-2008, 11:28 PM Thread Starter
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kinda comforting to know, in a strange way, that someone else has done the same thing. Kinda brings us closer together as a group. lol Its kinda funny in a upsetting way to have the engine missing and when you reach down for the reserve you found it's been on reserve for the entire tank of fuel. I really got lucky like I said. Didn't have to walk but if it was another 1/4 mile she would have been doa.

I guess ya can put a spin on anything huh? LOL


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89 xt350 wish I still had her
05 Suzuki DRZ 400
92 K75s
07 KLR 650
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post #6 of 8 Old 09-14-2008, 03:11 AM
Join Date: Apr 2008
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Kawasaki has the fuel tank at 6.1 gallons with .7 of that being reserve. The best I can tell the tank is more like 5.6 gallons and I'm not sure what the reserve really is. I have hit reserve a few times but I was close to a fuel station. By the way I get anywhere from 55 to 60 miles a gallon. I ride on the street. I don't get very heavy on the gas.
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post #7 of 8 Old 09-14-2008, 08:35 AM
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Tipping the tank is like an emergency reserve.had to do it once while coming out of New York into Pa.fully loaded.Had gassed up earlier that day and skirted Albany and down thru the Hudson valley.Going across the Rip Van Winkle I noticed my milage but forgot about it.later had to hit reseve.Reminded myself I needed fuel,then got caught up in the trip again and later,sputter,sputter,dead.I was sitting on 298 miles and mt. Layed it over on its side for a moment,fully loaded.Started to pick it up when a fellow stopped and he helped me the rest of the way.It was heavy but was using the police bike method and probably could of got it,but the help was nice.Anyway,made it another couple miles to a station.5.9 gallons to top her off.I have always thought that kawasaki should put a petcock on the other side also.

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post #8 of 8 Old 09-14-2008, 11:07 AM
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First thing I am doing this morning is checking the fuel cock to make sure it's not on reserve....... ( I never look at that shit !!! )

Our trip next weekend is putting us well off the beaten path in North Western Ontario. No fuel for 100 miles...no problem for the KLR, but there are two fellows joining us on smaller bikes, a 225 and 250..... hope they bring a back can of gas.

If I remeber I will ask the group to check their fuel tap................

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