Light smoke, running rough...
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Light smoke, running rough... - 6/18/2008 2:50:16 PM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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OK, I had the bike out over the weekend and was running very smooth (135mph) and then it just acted like it was out of gas. Sat on the side of the road for 3-4 minutes and then started up fine and got almost home when it did it again. This time it would not start at all. I had to trailer it home. So i pulled the carbs and put 2 cans of cleaner in them and blew them out with the air compressor. Put the carbs on and it ran great for about 4 minutes and quit. Would not start at all. Today I tried it and it only started with 1/4 throttle, not at all with the choke on or off. Now it sputters, will not stay running with out the throttle at 1/4. It is also starting to smoke just a little, is that just incomplete combustion or a bad head gasket?
I had just replaced the petcock also, the bike is a 1990 with 11,000 miles.
< Message edited by 1000fwilson -- 6/18/2008 3:31:39 PM >
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RE: Light smoke, running rough... - 6/18/2008 3:01:35 PM
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MarkR
Posts: 846
Joined: 8/20/2005
From: Gold Coast, Australia
Status: online
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What model bike is it, does it have the electric fuel pump?
When you open the fuel cap after it stalls, does it go whosh?
was there fuel in the bowls?
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RE: Light smoke, running rough... - 6/18/2008 3:25:04 PM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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1990, no electric pump. No noise with the cap... i don''t think, yes there was fuel in the bowls.
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RE: Light smoke, running rough... - 6/18/2008 4:39:53 PM
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TimBucTwo
Posts: 593
Joined: 6/13/2006
From: Upstate NY, USA
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Open a carb bowl drain screw and see if fuel runs out. Your bike has a vacuum shut off. There is a vacuum hose that runs from the petcock to the intake. Either crank the engine or use a break bleeding vacuum pump and put vacuum to the petcock and you should get fuel to run from the drain screw. The vacuum hose may be bad.
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RE: Light smoke, running rough... - 6/19/2008 1:20:10 AM
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Shadow1
Posts: 2685
Joined: 12/21/2007
From: Pinetown, South Africa
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+1 Timbuctwo. The light smoke is a sign of lean mixture, ie no petrol.
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RE: Light smoke, running rough... - 6/19/2008 6:23:44 AM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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OK, I will try that tonight, TimBucTwo. That is a releif Shadow1 I thought I was burning oil. Ill see what I can do tonight. Thank you,
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RE: Light smoke, running rough... - 6/19/2008 7:10:32 AM
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Shadow1
Posts: 2685
Joined: 12/21/2007
From: Pinetown, South Africa
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You may have also developed a partial blockage in the tank vents, not enough to go whoosh but sufficient to starve the carbs - check those too....... Sometimes it''s a small thing.....
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RE: Light smoke, running rough... - 6/19/2008 7:41:41 AM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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On that note, I just had the tank recoated, so maybe so. Just where are the vents? I know of one at the cap area.
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RE: Light smoke, running rough... - 6/19/2008 7:48:59 AM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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I will say that this bike is one awsome ride. I also ride a 1982 Honda Ascot FT500 that I fully restored over the winter. Nothing compared to the 1000F!!! I just want it to run smooth before I get into making it look good.
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RE: Light smoke, running rough... - 6/19/2008 8:01:28 AM
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weekendrider
Posts: 342
Joined: 10/27/2006
From: BRISBANE.QLD.AUSTRALIA
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Does only the early bikes have the pump.?
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RE: Light smoke, running rough... - 6/19/2008 8:34:07 AM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
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Yes, but I am not sure what year it changed. Shadow1 prob knows.
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RE: Light smoke, running rough... - 6/19/2008 9:40:29 AM
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Shadow1
Posts: 2685
Joined: 12/21/2007
From: Pinetown, South Africa
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Weekendrider The 87/88 1000''s had pumps - after that, vacuum feed.
600F''s and I think the 750F had pumps too.
1000Fwilson - there are I think two vent hoses - best would be to remove or just lift the tank - mine''s a California model, so not much good me looking, sorry Manual should show it....?.
My bike puffs white smoke for a second or two if I stop in a hurry from high speed, similar to what you were doing - scared the life out of me, too......still, never a good idea to run lean - makes holes in pistons....aaaarrrgh !
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RE: Light smoke, running rough... - 6/21/2008 4:27:52 PM
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1000fwilson
Posts: 38
Joined: 5/22/2008
From: Memphis, TN
Status: offline
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Alright, I got her running smooth, bike is perfect except now after running for about two minutes she starts to emit light smoke out the exhaust... still. Is it a fuel problem still? I am going to post a video in a few days.
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