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 Post subject: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: Mon Sep 25, 2017 5:31 am 
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Joined: Thu Mar 20, 2014 11:51 pm
Posts: 5
Location: USA
model: 907 I.E.
year: 1993
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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 Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: 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: 3189
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
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

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Last edited by higgy on Mon Sep 25, 2017 10:10 pm, edited 1 time in total.

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 Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: 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: 1633
Location: Newzealand
model: 906 Paso
year: 1990
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 ..... )

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 Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: Sat Feb 17, 2018 1:46 am 
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Joined: Thu Mar 20, 2014 11:51 pm
Posts: 5
Location: USA
model: 907 I.E.
year: 1993
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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 Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: 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: 1633
Location: Newzealand
model: 906 Paso
year: 1990
Don't spose you have had the valve clearances done just before this started ?

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 Post subject: Re: SMOKING TAILPIPE AT STOP LIGHT
PostPosted: Mon Apr 23, 2018 1:58 pm 
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Joined: Thu Mar 20, 2014 11:51 pm
Posts: 5
Location: USA
model: 907 I.E.
year: 1993
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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