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pastmast95
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« on: July 08, 2013, 01:40:48 PM » |
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I could use some help with an acceleration issue that started today! I was riding about six miles out of town when my 1999 Tourer started to act like it was running out of fuel, 80 miles on the odometer so I switched to reserve. Still would not run right. Bike starts and idles fine, smooth 900 rpm. Accelerates to 2000 rpm fine then between 2000 and 3000 rpm cuts out , acts like its not getting enough fuel. Above 3000 rpm runs like a raped ape again. I opened the gas cap while riding and that did not help, the vent hose to the tank is not plugged, I pulled all the plugs and they are not fouled. I got back to town and put half a can of Sea Foam in the tank and filled up. Only down 2 1/2 gallons. Bike never sits long, I ride at least once a week even in winter. Have had her since October of last year and have never had an issue! I put sea foam in the fuel every fourth or fifth fill up. Installed new Pingle non vacuum fuel valve and air filter 200 miles ago. Everything has run great up until today! Only has 26,000 miles on her! Any Help would be appreciated! Thanks in advance!
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Bigwolf
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« Reply #1 on: July 08, 2013, 02:04:35 PM » |
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I had a Dyna 3000 ICM that acted that way when the weather was hot. It did exactly as you say, good idle, awful midrange but still ran great above 3000 rpm. If you have a Dyna on that bike, you might want to try a stock ICM in the bike before you spend a lot of time trying to chase down a nonexistent fuel problem.
Bigwolf
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Ricky-D
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« Reply #2 on: July 08, 2013, 02:07:17 PM » |
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Heavy doses of a more powerful additive may help.
Techron or B-12 seem to yield better results.
Every tank until the problem clears up.
Try to use non-ethanol gasoline also.
Since it ran good prior to the present trouble - no adjustments are recommended.
***
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2000_Valkyrie_Interstate
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pastmast95
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« Reply #3 on: July 08, 2013, 02:24:41 PM » |
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Thanks for the response. Don't know what a Dyna 3000 ICM is, so I don't think I have one. I will try a different additive, I read a lot of you use the Tectron and B-12, I'll try some. It's got to be something simple, Like I said there has been no issues at all until today. I baby this bike and if anything over service it. Thanks again!
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Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
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« Reply #4 on: July 08, 2013, 02:28:02 PM » |
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I think you have the classic varnished low jet syndrome. Use a full can of Sea-foam for a few tanks or heavy doses of another fuel system cleaner of your choice.
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Daniel Meyer
Member
Posts: 5493
Author. Adventurer. Electrician.
The State of confusion.
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« Reply #5 on: July 08, 2013, 03:12:11 PM » |
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Make sure there's no slack in your fuel line...maybe kinks when hot or the low spot helps with vapor lock (external fuel filters do this too)...
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CUAgain, Daniel Meyer  |
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Daniel Meyer
Member
Posts: 5493
Author. Adventurer. Electrician.
The State of confusion.
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« Reply #6 on: July 08, 2013, 04:02:09 PM » |
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petcock diaphragm is bad. its leaking vacuum. higher rpms = higher vacuum which overcomes the small leak
I think he said he had a pingle... |
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CUAgain, Daniel Meyer |
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pastmast95
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« Reply #7 on: July 08, 2013, 04:21:37 PM » |
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Yeah I have a pingle, By the way it was 100 degrees here in Colorado today and we seem to only have crappy ethanol gas here, maybe I need to use a higher octane or a booster?
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Gryphon Rider
Member
Posts: 5232
2000 Tourer
Calgary, Alberta
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« Reply #8 on: July 08, 2013, 04:30:41 PM » |
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Yeah I have a pingle, By the way it was 100 degrees here in Colorado today and we seem to only have crappy ethanol gas here, maybe I need to use a higher octane or a booster?
I'd be very surprised if it was an octane issue. Does your Pingle have a vacuum-operated shutoff or is it strictly manual? |
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pastmast95
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« Reply #9 on: July 08, 2013, 04:54:33 PM » |
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It's manual, Non vacuum!
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Chrisj CMA
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« Reply #10 on: July 09, 2013, 08:08:06 AM » |
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If the bike is not desmogged, Id suspect vacuum lines. If they are cracked, could do this. Along with checking the hoses, check the plugs for the unused intake nipples. And be sure to tighten the 18 intake runner screws. If you have never tightened them, you will be shocked how loose they are. Six can be seen, the next six are under the choke slide chrome covers and the last 6 you need the tank off to really get at them (them last 6 dont usually need to be tightened like the others)
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« Last Edit: July 09, 2013, 08:12:08 AM by Chrisj CMA »
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pastmast95
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« Reply #11 on: July 09, 2013, 08:35:15 AM » |
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Bike has not been de-smoged, I'ts a California model. Got rid of evap. canister last year when I installed a lift adapter. Capped off the vacuum nipple and hose when I installed the pingle petcock. Not sure what the runner screws are , I'll look in my Clymer manual and see if I can find them and check them. Thanks for the advise!
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hubcapsc
Member
Posts: 16793
upstate
South Carolina
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« Reply #12 on: July 09, 2013, 08:41:30 AM » |
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Your pingle and airfilter installs were just 200 miles ago... I'd guess something about them left a
kinked gas line or... ?
-Mike
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Chrisj CMA
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« Reply #13 on: July 09, 2013, 04:53:06 PM » |
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Bike has not been de-smoged, I'ts a California model. Got rid of evap. canister last year when I installed a lift adapter. Capped off the vacuum nipple and hose when I installed the pingle petcock. Not sure what the runner screws are , I'll look in my Clymer manual and see if I can find them and check them. Thanks for the advise!
the intake runner screws are the screws that tighten the clamps that hold the intakes the carburetors. There are 3 sets of clamps, however the two sets you can get to without removing the gas tank are the ones that get really loose. You probably need new vacuum lines |
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pastmast95
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« Reply #14 on: July 10, 2013, 07:46:46 AM » |
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Thanks again!, I'll check that.
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HayHauler
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« Reply #15 on: July 11, 2013, 01:34:04 PM » |
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Bike has not been de-smoged, I'ts a California model. Got rid of evap. canister last year when I installed a lift adapter. Capped off the vacuum nipple and hose when I installed the pingle petcock. Not sure what the runner screws are , I'll look in my Clymer manual and see if I can find them and check them. Thanks for the advise!
California models have a port on #3 carb that needs to be plugged. I have a set that has this port and was plugged with a set screw. I didn't do the plugging, so I don't know if it has to be tapped first. I suppose this is what you are talking about when you say you "Capped off the vacuum nipple and hose". Hope you figure it out. Hay  Jimmyt |
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pastmast95
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« Reply #16 on: July 11, 2013, 03:03:02 PM » |
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I think the vacuum hose to the petcock was on #6, then the hose went to a tee and up to the petcock. I capped off the nipple and put capps on the end of both hoses just to keep dirt out, Like I said the bike has run great for the last 200 or so miles. I'm going to try the cleaner for a tank full or two. I've got a De-Smog kit coming from Redeye when it gets here I'll pull the tank and air box .
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pastmast95
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« Reply #17 on: July 11, 2013, 03:47:47 PM » |
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No the tank vent is OK that hose is seperate from the others. Like I said bike ran good for 200 miles after I installed the pingle
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vic
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« Reply #18 on: July 11, 2013, 04:54:27 PM » |
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I have a '98 Tourer CA model and the CA bikes are set up a little different. The fuel vent hose runs directly to a canister....no Tee fitting halfway down like the other 49-state models have. So if he removed the canister, that vent line was either left open or plugged, I'm thinking? Also, the petcock vacuum line on CA models runs from #6 port to an air valve right above the center of the engine. From there, it "Tees" off and continues on to the stock petcock. That's the stock setup.
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pastmast95
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« Reply #19 on: July 11, 2013, 05:47:09 PM » |
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Correct!, When I got rid of the canister I put a tee in the line, First thing I did when the bike started acting up was to blow into the vent line and I could hear bubbling in the tank. I just got done riding the bike for the first time since I parked it on Monday, It's still acting up. This weekend I'll get out and run it some more and get some more of the sea foam thru it and hopefully it will cure itself. Otherwise if I have to pull the tank and air box to check all the vacuum lines then it's going to get De-Smogged !!! Thanks for all your help, it will help me narrow down the problem.
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Ricky-D
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« Reply #20 on: July 12, 2013, 08:08:34 AM » |
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That doesn't sound right! First thing I did when the bike started acting up was to blow into the vent line and I could hear bubbling in the tank. The end of the vent, the one in the tank should be above the fuel level. Not submerged in the gas. There is a possibility of a siphon being formed. *** |
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2000_Valkyrie_Interstate
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