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Jeff Saline
Posts: 2246
Joined: Fri Oct 10, 2003 6:02 pm

correction: klr fuel delivery

Post by Jeff Saline » Sun May 11, 2014 10:14 pm

Listers, Yesterday I sent a message about fuel delivery from a KLR650. I wrote at one point we could call it three gallons a minute. What I meant was one gallon in three minutes. : ) So let's correct the fuel delivery RevMaaatin and I measured to one gallon in three minutes. The error is entirely mine. Best, Jeff Saline The Beautiful Black Hills of South Dakota 75 R90/6, 03 KLR650 . . . . . . ____________________________________________________________ The #1 Worst Carb Ever? Click to Learn #1 Carb that Kills Your Blood Sugar (Don't Eat This!) http://thirdpartyoffers.juno.com/TGL3141/53703c78e20c3c7704bbst01vuc
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Norm Keller
Posts: 712
Joined: Thu Apr 01, 2004 7:48 am

correction: klr fuel delivery

Post by Norm Keller » Tue May 13, 2014 4:21 pm

 
Mine does one litre/one US quart per minute on reserve with vacuum on the petcock (engine not running). I found that the diaphragm is leaking although wasn't a month ago when last checked. Don't know how to post  a photo here but did on KLR650.net if of interest.
 
I  recommend checking to see if the diaphragm is leaking be on everyone's maintenance list for several times per year.
 
I made a block out plate to allow the diaphragm to be removed and rechecked flow which was the same.
 
Both times on reserve although normal position flows the same.
 
FWIW, I see an increasing number of inlet screens which have built up deposits on the "wires" this can restrict the flow to a small trickle and is one reason to test the flow rate at least once per year. Jeff's attempt to obtain comparisons is, as usual, well considered. I usually just insure that the flow rate with low fuel is two or three times what the engine can use and consider that, "good enough" some comparison data is better.
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Bogdan Swider
Posts: 2759
Joined: Thu Apr 06, 2000 2:04 pm

correction: klr fuel delivery

Post by Bogdan Swider » Fri May 16, 2014 12:23 pm

Usually my old ride runs like a Swiss watch. However, when it's very hot, 90 plus, and I'm forced to use off-brand gas it might sputter and even miss. Engaging the enricher gets me down the road. A knowledgeable auto tech opinioned that the gas might be literally boiling. I wonder if my diaphragm is in less that ideal condition ? Bogdan, who doesn't favor leaky diaphragms, bike's or girl friend's From: "'Norm Keller' normkel32@... [DSN_KLR650]" DSN_KLR650@yahoogroups.com> Reply-To: Norm Keller Date: Tuesday, May 13, 2014 12:52 PM To: "DSN_KLR650@yahoogroups.com" DSN_KLR650@yahoogroups.com> Subject: [DSN_KLR650] Re: CORRECTION: KLR Fuel Delivery     Mine does one litre/one US quart per minute on reserve with vacuum on the petcock (engine not running). I found that the diaphragm is leaking although wasn't a month ago when last checked. Don't know how to post  a photo here but did on KLR650.net if of interest.   I  recommend checking to see if the diaphragm is leaking be on everyone's maintenance list for several times per year.   I made a block out plate to allow the diaphragm to be removed and rechecked flow which was the same.   Both times on reserve although normal position flows the same.   FWIW, I see an increasing number of inlet screens which have built up deposits on the "wires" this can restrict the flow to a small trickle and is one reason to test the flow rate at least once per year. Jeff's attempt to obtain comparisons is, as usual, well considered. I usually just insure that the flow rate with low fuel is two or three times what the engine can use and consider that, "good enough" some comparison data is better.
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jwflower53
Posts: 52
Joined: Sun Jan 01, 2012 10:52 pm

correction: klr fuel delivery

Post by jwflower53 » Sat Jun 07, 2014 10:40 pm

I've got the gravity-feed mod, and my '99 flows only a gallon in five minutes.  I didn't think to test it before switched from vacuum.  I had my high-rpm miss problem before the switch, and I still have it (lucky me). 
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Jeff Saline
Posts: 2246
Joined: Fri Oct 10, 2003 6:02 pm

correction: klr fuel delivery

Post by Jeff Saline » Sat Jun 07, 2014 10:49 pm

#ygrps-yiv-960043348 .ygrps-yiv-960043348ygrp-photo-title { TEXT-ALIGN:center;WIDTH:75px;HEIGHT:15px;CLEAR:both;FONT-SIZE:smaller;OVERFLOW:hidden;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348ygrp-photo { BORDER-BOTTOM:black 1px solid;BORDER-LEFT:black 1px solid;BACKGROUND-COLOR:white;WIDTH:62px;BACKGROUND-REPEAT:no-repeat;BACKGROUND-POSITION:center 50%;HEIGHT:62px;BORDER-TOP:black 1px solid;BORDER-RIGHT:black 1px solid;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348photo-title A { TEXT-DECORATION:none;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348photo-title A:active { TEXT-DECORATION:none;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348photo-title A:hover { TEXT-DECORATION:none;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348photo-title A:visited { TEXT-DECORATION:none;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348attach-table DIV.ygrps-yiv-960043348attach-row { CLEAR:both;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348attach-table DIV.ygrps-yiv-960043348attach-row DIV { FLOAT:left;} #ygrps-yiv-960043348 P { PADDING-BOTTOM:3px;PADDING-LEFT:0px;PADDING-RIGHT:0px;CLEAR:both;OVERFLOW:hidden;PADDING-TOP:15px;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348ygrp-file { WIDTH:30px;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348attach-table DIV.ygrps-yiv-960043348attach-row DIV DIV A { TEXT-DECORATION:none;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348attach-table DIV.ygrps-yiv-960043348attach-row DIV DIV SPAN { FONT-WEIGHT:normal;} #ygrps-yiv-960043348 DIV.ygrps-yiv-960043348ygrp-file-title { FONT-WEIGHT:bold;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp { BORDER-BOTTOM:#d8d8d8 1px solid;BORDER-LEFT:#d8d8d8 1px solid;PADDING-BOTTOM:0px;MARGIN:10px 0px;PADDING-LEFT:10px;PADDING-RIGHT:10px;FONT-FAMILY:Arial;BORDER-TOP:#d8d8d8 1px solid;BORDER-RIGHT:#d8d8d8 1px solid;PADDING-TOP:0px;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp HR { BORDER-BOTTOM:#d8d8d8 1px solid;BORDER-LEFT:#d8d8d8 1px solid;BORDER-TOP:#d8d8d8 1px solid;BORDER-RIGHT:#d8d8d8 1px solid;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp #ygrps-yiv-960043348hd { LINE-HEIGHT:122%;MARGIN:10px 0px;COLOR:#628c2a;FONT-SIZE:85%;FONT-WEIGHT:700;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp #ygrps-yiv-960043348ads { MARGIN-BOTTOM:10px;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp .ygrps-yiv-960043348ad { PADDING-BOTTOM:0px;PADDING-LEFT:0px;PADDING-RIGHT:0px;PADDING-TOP:0px;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp .ygrps-yiv-960043348ad P { MARGIN:0px;} #ygrps-yiv-960043348 #ygrps-yiv-960043348ygrp-mkp .ygrps-yiv-960043348ad A { COLOR:#0000ff;TEXT-DECORATION:none;} On 07 Jun 2014 20:40:18 -0700 "jwflower53@... [DSN_KLR650]" DSN_KLR650@yahoogroups.com> writes: I've got the gravity-feed mod, and my '99 flows only a gallon in five minutes.  I didn't think to test it before switched from vacuum.  I had my high-rpm miss problem before the switch, and I still have it (lucky me).  <><><><><><><> <><><><><><><>   Was that with the fuel cap open or closed?   If it was closed does opening it allow an increased flow rate?   Either way a gallon in five minutes is 12 gallons an hour.  At 50 mpg that would suggest you are getting enough fuel to go 600 mph.  : )   Best, Jeff Saline The Beautiful Black Hills of South Dakota 75 R90/6, 03 KLR650 . . . . . . . .   ____________________________________________________________ [b]The #1 Worst Carb Ever?[/b] Click to Learn #1 Carb that Kills Your Blood Sugar (Don't Eat This!) FixYourBloodSugar.com
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jwflower53
Posts: 52
Joined: Sun Jan 01, 2012 10:52 pm

correction: klr fuel delivery

Post by jwflower53 » Sat Jun 07, 2014 11:05 pm

Fuel cap closed.  Didn't think to try it with cap open, since I don't (usually) ride with it open.  I was hoping for a clue to my 5000 rpm missing problem, but so far no luck.
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mark ward
Posts: 1027
Joined: Fri Jan 15, 2010 11:18 am

correction: klr fuel delivery

Post by mark ward » Sun Jun 08, 2014 6:44 am

I think Jeff's thoughts are. Open or closed should, be about the same, start with a full tank, (less air in tank) And test a 3-4 gallons if it starts to slow after 1-2+ then your vent is not allowing air to pass threw properly. Another test is. 1/3 -1/2 Take a test run, when it happens, (STOP) open and close the cap allowing air in test again. if it takes awhile to miss, then your vent is plugged up. (hard to pull air into TANK, like a finger over a straw as "kids" (& grandpas) do. water (gas) vacuum trapped  On Sunday, June 8, 2014 12:05 AM, "jwflower53@... [DSN_KLR650]" DSN_KLR650@yahoogroups.com> wrote:
  Fuel cap closed.  Didn't think to try it with cap open, since I don't (usually) ride with it open.  I was hoping for a clue to my 5000 rpm missing problem, but so far no luck. #ygrps-yiv-1279247445 #ygrps-yiv-1279247445yiv3599783838 #ygrps-yiv-1279247445yiv3599783838 -- #ygrps-yiv-1279247445yiv3599783838ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #ygrps-yiv-1279247445 #ygrps-yiv-1279247445yiv3599783838 #ygrps-yiv-1279247445yiv3599783838ygrp-mkp hr { border:1px solid #d8d8d8;} #ygrps-yiv-1279247445 #ygrps-yiv-1279247445yiv3599783838 #ygrps-yiv-1279247445yiv3599783838ygrp-mkp #ygrps-yiv-1279247445yiv3599783838hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #ygrps-yiv-1279247445 #ygrps-yiv-1279247445yiv3599783838 #ygrps-yiv-1279247445yiv3599783838ygrp-mkp #ygrps-yiv-1279247445yiv3599783838ads { margin-bottom:10px;} #ygrps-yiv-1279247445 #ygrps-yiv-1279247445yiv3599783838 #ygrps-yiv-1279247445yiv3599783838ygrp-mkp 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RobertWichert
Posts: 697
Joined: Sun Jan 10, 2010 11:32 am

correction: klr fuel delivery

Post by RobertWichert » Sun Jun 08, 2014 8:17 am

Right, but I am trying for a speed record, and need more! Robert Wichert P.Eng. LEED AP BD&C HERS I/II CEPE CEA BPI CERTIFIED SF/MF GREEN POINT RATER +1 916 966 9060 FAX +1 916 966 9068 =============================================== On 6/7/2014 8:47 PM, Jeff Saline salinej1@... [DSN_KLR650] wrote:
On 07 Jun 2014 20:40:18 -0700 "jwflower53@... [DSN_KLR650]" DSN_KLR650@yahoogroups.com> writes: I've got the gravity-feed mod, and my '99 flows only a gallon in five minutes. I didn't think to test it before switched from vacuum. I had my high-rpm miss problem before the switch, and I still have it (lucky me). <><><><><><><> <><><><><><><> Was that with the fuel cap open or closed? If it was closed does opening it allow an increased flow rate? Either way a gallon in five minutes is 12 gallons an hour. At 50 mpg that would suggest you are getting enough fuel to go 600 mph. : ) Best, Jeff Saline The Beautiful Black Hills of South Dakota 75 R90/6, 03 KLR650 . . . . . . . . ____________________________________________________________ [b]The #1 Worst Carb Ever?[/b] Click to Learn #1 Carb that Kills Your Blood Sugar (Don't Eat This!) FixYourBloodSugar.com
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RobertWichert
Posts: 697
Joined: Sun Jan 10, 2010 11:32 am

correction: klr fuel delivery

Post by RobertWichert » Sun Jun 08, 2014 8:22 am

If it misses at high RPM, I'd be looking for an electrical problem. If it won't GO to 5000 RPM, I'd be looking for carburation, but if it gets there and misses, I'd think electric first. Plug, plug wire, coil, primary connection to coil, wire from pickup, that sort of thing. In the ancient old, old days, you could put the ignition system on an oscilloscope (I know, apparently nobody does this any more) and look at the waveforms of the ignition system and help to find problems, primary or secondary. Or was this in a dream? Anyway, if you can find someone with such old fashioned equipment, that might help to pin down the problem. Robert Wichert P.Eng. LEED AP BD&C HERS I/II CEPE CEA BPI CERTIFIED SF/MF GREEN POINT RATER +1 916 966 9060 FAX +1 916 966 9068 ===============================================
On 6/7/2014 9:05 PM, jwflower53@... [DSN_KLR650] wrote:
Fuel cap closed. Didn't think to try it with cap open, since I don't (usually) ride with it open. I was hoping for a clue to my 5000 rpm missing problem, but so far no luck.
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KLRDON
Posts: 38
Joined: Sun Apr 30, 2006 5:31 pm

correction: klr fuel delivery

Post by KLRDON » Sun Jun 08, 2014 11:03 am

Once had a float needle that would not flow enough fuel to run at 60 mph for more that a few minutes and then the bowl would go dry. Needle tip looked great and resetting the needle higher only got me bowl overflow issues. Got back home and rebuilt the carb including new diaphragm/slide but not he needle. Still ran out of go until the needle was replaced. 2 cents, please? :-) Best regards, Don M On 6/8/2014 9:22 AM, RobertWichert robert@... [DSN_KLR650] wrote:
If it misses at high RPM, I'd be looking for an electrical problem. If it won't GO to 5000 RPM, I'd be looking for carburation, but if it gets there and misses, I'd think electric first. Plug, plug wire, coil, primary connection to coil, wire from pickup, that sort of thing. In the ancient old, old days, you could put the ignition system on an oscilloscope (I know, apparently nobody does this any more) and look at the waveforms of the ignition system and help to find problems, primary or secondary. Or was this in a dream? Anyway, if you can find someone with such old fashioned equipment, that might help to pin down the problem. Robert Wichert P.Eng. LEED AP BD&C HERS I/II CEPE CEA BPI CERTIFIED SF/MF GREEN POINT RATER +1 916 966 9060 FAX +1 916 966 9068 =============================================== On 6/7/2014 9:05 PM, jwflower53@... [DSN_KLR650] wrote: Fuel cap closed. Didn't think to try it with cap open, since I don't (usually) ride with it open. I was hoping for a clue to my 5000 rpm missing problem, but so far no luck.
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