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Raw Fuel in the Exhaust?   Technical-Bikes

Started Sep-24 by 4Strokes; 298 views.

From: 4Strokes


Sooo I went out to the garage today and noticed a clear puddle under the bike.

It's dripping from one of the exhaust pipes.

Smells like gas.

When I removed the pipe to further investigate more poured out.

Possibly condensation?

Not really suspecting a float issue because it's been running solid.

I don't typically close the petcock after riding.

I'm new to bikes but familiar with carbs.

Any thoughts from the gurus?

I'm sure you guys have seen it all.

  • Edited September 24, 2021 8:31 pm  by  4Strokes
Sick Mick* (quick_mick)

Sounds like a float stuck open. You may want to check your oil too.....

In reply toRe: msg 1

From: 4Strokes


While I had the exhaust off I figured it would be a good time to change the oil/filter.

Didn't see any gas in the oil. Checked the plugs didn't see anything I would consider unusual.

When I fired it up without the exhaust installed I noticed that with the choke on full I was getting fuel spraying out of the suspect cylinder but not the other. It seemed to go away completely as soon as I removed the choke.

I am getting a stronger exhaust pulse from the suspect cylinder so I think some syncing is in order, other than that the bike seems to run fine.

With only a month or so left in riding season here I'm thinking I'm just going to ride it and pay attention to it for now and then maybe dig into it this winter.

Sick Mick* (quick_mick)

Yup...use the choke sparingly on these bikes. Glad you found it.