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Hot weather bogging

Started by icabodcam, August 05, 2009, 11:08:05 AM

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icabodcam

I'm sure it's a carb issue, but i'm at a loss.  My bike runs fantastically all the time, that is unless it is hot outside.  The last few rides I've made have been in 90+ degree weather with humidity around 100% and it feels like it is flooding when I get on the throttle.  Riding two up like this is hairy at intersections not controlled by a traffic signal, I've got to do something soon. 

My experience with all bikes is that they run better in the cold, but this feels different, almost too pronounced to be simple reaction to weather.  Does fuel atomize poorly at high temperatures?  Does the fuel level in the bowl change with atmospheric conditions?  It almost feels like the fuel level is too high, but I just set the float level back in October, and The Buddah suggested I should get a few years out of that before having to get them back in line.

Thanks as always for the helps folks. 




Dr.Sparkie

actually, fuel atomizes better at high temperature, so what im suspecting is that with the hot weather and high humidity, you're getting less oxygen into the cylinder and running rich.
pull your plugs after a boggy run and see if theyre getting black, check your air filter to see if perhaps its getting plugged and aggrevating the situation.

my bike runs lean, and i can tell that its much happier in the warm humid weather.
1989 GS555
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Bored to 79mm, Honda Hurricane forks, Lowered 1.25" front and rear. Shinko Podium 006 120/60 front, 140/60 rear. Lunchbox, Fart can, 42.5 pilot, 3.5 turns, 152.5 main and 2 washers. Everything else is either stock or broken.

icabodcam

I've not noticed any difference in the plugs over what I've seen during the winter.  I guess I'll try to blow out the filter to see if that's it...maybe some warm weather critters have nested in there.  It wouldn't be the first time.

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