Danozeman
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| posted on 18/5/09 at 05:42 PM |
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Smell of fuel from bike carbs when driving.
If i cruise along and put my foot down a bit theres a strong smell of fuel from the carbs.
is this normal as i am in the stream of air from the filter?? Or have i got a problem.
Car runs fine maybe a little rich.
[Edited on 18/5/09 by Danozeman]
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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flak monkey
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| posted on 18/5/09 at 05:54 PM |
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Sounds about normal 
Sera
http://www.motosera.com
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David Jenkins
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| posted on 18/5/09 at 06:05 PM |
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Take the filter off, then rev the engine up to around 3 or 4 thousand revs. Look in front of the trumpets, and you'll probably see a misty haze
of petrol.
Scary, isn't it! 
I don't know what sort of filter you have, but the smell of petrol went away when I fitted my airbox/filter thing.
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flak monkey
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| posted on 18/5/09 at 07:02 PM |
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quote:
Originally posted by David Jenkins
Take the filter off, then rev the engine up to around 3 or 4 thousand revs. Look in front of the trumpets, and you'll probably see a misty haze
of petrol.
Yep, and it's called 'stand off' very common with carbs.
Hence why its never a good idea to smoke near a running engine! 
Sera
http://www.motosera.com
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Stuart_B
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| posted on 18/5/09 at 07:04 PM |
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i get it to, i got worried a when it smelt it for the first time, i pulled over, got out truned it off, and start to look around, then started it up
again, and did not see anythink, so i just put it down to the air filtre and bike carbs.
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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Danozeman
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| posted on 18/5/09 at 07:08 PM |
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Iv got an itg sausage filter. Its quite nice smell to start with but i get fed up when im travelling.
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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mediabloke
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| posted on 18/5/09 at 08:03 PM |
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I confess I find the strong smell of petrol a bit scary too, especially if I have to drive straight into the garage after a short blat.
Leaving the garage door open for a bit helps, and gives the neighbours something to talk about! ;-)
Francis
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robbydee
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| posted on 18/5/09 at 08:35 PM |
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I thought nothing about it too....
THEN MY CAR CAUGHT FIRE!
the filter got soaked with the fine mist vapour, then a slight backfire coming off the throttle.... the rest is history....
it was about 60 miles from Le Mans 2008...
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mr henderson
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| posted on 18/5/09 at 08:36 PM |
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The standoff is one of the reasons why production bikes have quite complex airboxes and intake tubes etc. to contain it.
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jpindy3
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| posted on 18/5/09 at 08:39 PM |
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hi mate have a look at your plugs if thay are wet or sooty then,put a regulator on its fine now mine did that
is that what happens i ant driven my car yet so i dont know about it smelling when driving,i saw a fine mist but at that time my pump had to much
presure so it was flooding,and thats when there was a mist and it was spitting.i carnt say i have noticed a mist now with the reg,il have a closer
look in the morning
[Edited on 18/5/09 by jpindy3]
[Edited on 18/5/09 by jpindy3]
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mediabloke
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| posted on 18/5/09 at 09:55 PM |
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My Indy needs a proper RR tune and I've put up with the fuelling issue until it goes in over the next couple of weeks. Has yours already been
setup, Dan?
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r1_pete
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| posted on 19/5/09 at 07:50 AM |
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Have you left the trumpets on the carbs, as per the pic in your archive? they do help stop the stand off, also you should have 1.5 x the venturi
diameter between the end of the trumpets and the filter or airbox.
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