| Author | Message | ||
     Surfsofa |
Perhaps this is normal, but I've not had a bike which does this before. About 45 seconds after starting the engine from cold I start to get a lot of what looks like condensation mist coming out of the exhaust which lasts for at least a couple of minutes. Not only there, but as you can see in the photo it also spits water past the clips connecting the muffler to the exhaust body. My only concern is coolant getting to places it shouldn't be getting to. This is a brand new bike with less than 500 miles on the clock. Does yours do this also?  | ||
| Pmjolly |
The 1190's all have steam come out as they warm up. It's normal. Mine does it too. | ||
| Terrys1980 |
That is a bit excessive. If the exhaust condensation smells sweet then yes it's probably coolant. Take the silencer off and let it escape. A lot of it is probably just making a cycle from muffler to the silencer and back every time you ride it. Don't run it long or ride it at all without the silencer unless you have the race ECM. | ||
| Stevel |
The normal byproduct of the chemical reaction of burning gasoline is CO2 and water, as well as some unburned hydrocarbons. When the exhaust system is cold, the exhaust water vapor condenses against the cold exhaust until the exhaust system warms up. Water will continue to be produced all the time the motor is running, but after warming the exhaust, only as a vapor. However, water being present on the outside of the exhaust indicates an exhaust leak. | ||
| Snacktoast |
Normal for the stock exhaust. Get it warm on a ride and it will evaporate. | ||
| Ebrfan |
I have noticed that it does it bad if I start it cold and only run it for a few minutes and shut it down, then start it again cold a while later. The bike spews a lot of water then, but there is only a bit of foggy mist normally otherwise. It is attributed to that big tin muffler and honeycomb catalytic converter in there. The initial startup and quick shutdown of any engine produces a lot of condensate moisture on the inside walls, and sometimes the outside surfaces depending on dew point etc.; just like a cold beer from the fridge does sitting on the counter. That is why it is important to warm up any engine to running temps and then some before shutting it down. | ||
| Dannybuell |
my s1 gets run fairly regularly, the CR sits and waits. in 1,000 miles the 4oz catch can on my s1 gets 3oz water an 1oz. (Message edited by dannybuell on July 03, 2016) |
