Question about Yamaha V Star 1100 Silverado Motorcycles
More than likely, you have water (condensation) in the fuel that's left in the float bowls. This is not the only possibility but I find it to be most likely.
The best method for removing would be to drain them, but this could be a bit of a challenge. If you can drain them I would strongly suggest that. One thing you could try is to add a bottle of dry gas (water remover, or isopropanol alcohol) to about half a tank of fresh fuel and agitate it the best you can - by rocking the bike back and forth with the front brake applied. Then, lean the bike over (get some help!) and let fuel flow from the overflows on the carbs if possible - maybe more than once. You'll have to turn the key on to let the fuel pump pump fresh fuel to re-fill the bowls inbetween float bowl drainings. This may flush enough of the old fuel from the bowls to allow the water remover to emulsify the fuel/water left in the float bowls. You might want to try this first before you have it serviced, but keep in mind this may not be perfectly effective. It is a cheap thing to try though and it's likely what I would try if I did not want to pull the carbs off which I would not want to do if I did not have to.
I would also suggest that you check the fuel filter - it's under the seat under a plastic cover. After you get it running, change it. You might want to drain it during your attempts to get it running - it could harbor water.
You might want to throw in a fresh set of spark plugs, too.
Best of luck to ya!
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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