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raicerx
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Post subject: SMOKING TAILPIPE AT STOP LIGHT Posted: Mon Sep 25, 2017 5:31 am |
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Joined: Thu Mar 20, 2014 11:51 pm Posts: 8 Location: USA
model: 907 I.E.
year: 1993
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My 907 randomly blows large amounts of exhaust smoke at stoplights. Doesn't seam to follow any pattern. Just random blow of oil smoke. Not coolant , definitely smells and looks like oil. So what is allowing oil to enter the combustion chamber at stops after both low and high speed runs?
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higgy
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Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT Posted: Mon Sep 25, 2017 5:51 am |
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paso grand pooh-bah |
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Joined: Tue Jul 29, 2008 9:50 pm Posts: 3259 Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
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worn guides,worn or missing seals,crankcase breather issues, too much oil improper valve lash
or any combination of all of the above
Could even be as simple as the wrong oil
_________________ Ducati,making mechanics out of riders since 1946 There's no problem so bad that a little fixing can't make it worse! : ) If it ain't broke keep fixin it till it is 88 750 90 906 92 907ie
Last edited by higgy on Mon Sep 25, 2017 10:10 pm, edited 1 time in total.
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Mc tool
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Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT Posted: Mon Sep 25, 2017 9:12 pm |
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paso grand pooh-bah |
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Joined: Wed Dec 05, 2007 12:35 am Posts: 1793 Location: Newzealand
model: 906 Paso
year: 1990
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Or even might be burning oil all the time and you only get to see it at a standstill. Does it use much oil , what do the plugs look like ..... both the same or is one oiled up ( don't mix them up as you remove them ..... )
_________________ I wish I was young again............Id be heaps smarter than last time
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raicerx
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Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT Posted: Sat Feb 17, 2018 1:46 am |
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Joined: Thu Mar 20, 2014 11:51 pm Posts: 8 Location: USA
model: 907 I.E.
year: 1993
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It blows tons of smoke when I come to a stop, it isn't a constant smoke thing. It reminds me of my high school car '74 camaro that smoked like a military grade smoke grenade at random moments. it turned out to be the trans breather thing. How do I check the oil breather valve?
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Mc tool
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Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT Posted: Sat Feb 17, 2018 10:43 pm |
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paso grand pooh-bah |
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Joined: Wed Dec 05, 2007 12:35 am Posts: 1793 Location: Newzealand
model: 906 Paso
year: 1990
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Don't spose you have had the valve clearances done just before this started ?
_________________ I wish I was young again............Id be heaps smarter than last time
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raicerx
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Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT Posted: Mon Apr 23, 2018 1:58 pm |
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Joined: Thu Mar 20, 2014 11:51 pm Posts: 8 Location: USA
model: 907 I.E.
year: 1993
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No resetting of the valves recently. Had complete valve work done less than 2k miles ago. The bike doesn’t smoke at all except for a random event once every 20 minutes or so at speed and idle. No seaming reason. I’m thinking the breather.
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