Hello, I recently bought a 1996 F3, fantastic bike by the way, but she is spending alot of time at the shop. They, as well as I, seem to be mystified by a problem she's having. As soon as you start the bike it fills the cylinders with fuel. The carbs have all their internals replaced and pressure checked, they seem to be fine. We are now looking to the fuel pump, could it possibly malfunction in such a way that it provides more than sufficient volume of fuel into the carbs forcing them to in turn dump the excess into the cylinders? My local Honda dealership is truly family owned and operated, and I trust their workmanship and ethics. It's the Honda shop in Venice Florida if anyone knows of it. The fuel pump is the next logical step, but I was wondering if any of you folks have ever had this happen to your bikes? Thanks for your helpful replies.
Yet another 2 wheel addict,
superqwik
I'll post pics when she gets back home, I believe you'll like them.

 

Welcome to the forum. I can honestly say that I have never heard of that problem before, but if I had to guess, I would have thought of the fuel pump also. Good luck, and give us a report of what it was when you get it home.

 

It was the fuel pump. Just got her back today. Took a 3 hour cruise andit runs fantastic!! I'll post some photos tomorrow. Thanks for the reply.
seizure
sprqwk

 

Make sure you change your oil before riding! What you've experienced is called mass cylinder washdown. This happens when gas washes all the oil from the cylinder walls and you have complete bare metal to bare metal grinding. A lot of gas can and will wash down past the rings and contaminate (and thin) your oil. Also you could have a lot of metal shavings in your oil. Do a complete flush and you should be fine. I recently experienced this and my cyclinder walls were completely ruined after I ran it a while. Had to get them honed out and of course a total rebuild.